# migrations

dir: embeddings_queue
filename: 00001-embeddings.sqlite.sql
hash: d3755dfd232be8e8301f4d7fcfb3a486
sql:
CREATE TABLE embeddings_queue (
    seq_id INTEGER PRIMARY KEY,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    operation INTEGER NOT NULL,
    topic TEXT NOT NULL,
    id TEXT NOT NULL,
    vector BLOB,
    encoding TEXT,
    metadata TEXT
);


dir: sysdb
filename: 00001-collections.sqlite.sql
hash: 38352d725ad1c16074fac420b22b4633
sql:
CREATE TABLE collections (
    id TEXT PRIMARY KEY,
    name TEXT NOT NULL,
    topic TEXT NOT NULL,
    UNIQUE (name)
);

CREATE TABLE collection_metadata (
    collection_id TEXT REFERENCES collections(id) ON DELETE CASCADE,
    key TEXT NOT NULL,
    str_value TEXT,
    int_value INTEGER,
    float_value REAL,
    PRIMARY KEY (collection_id, key)
);


dir: sysdb
filename: 00002-segments.sqlite.sql
hash: 2913cb6a503055a95f625448037e8912
sql:
CREATE TABLE segments (
    id TEXT PRIMARY KEY,
    type TEXT NOT NULL,
    scope TEXT NOT NULL,
    topic TEXT,
    collection TEXT REFERENCES collection(id)
);

CREATE TABLE segment_metadata (
    segment_id TEXT  REFERENCES segments(id) ON DELETE CASCADE,
    key TEXT NOT NULL,
    str_value TEXT,
    int_value INTEGER,
    float_value REAL,
    PRIMARY KEY (segment_id, key)
);


dir: sysdb
filename: 00004-tenants-databases.sqlite.sql
hash: 048867ce8fcdefe4023c7110e4433591
sql:
CREATE TABLE IF NOT EXISTS tenants (
    id TEXT PRIMARY KEY,
    UNIQUE (id)
);

CREATE TABLE IF NOT EXISTS databases (
    id TEXT PRIMARY KEY, -- unique globally
    name TEXT NOT NULL, -- unique per tenant
    tenant_id TEXT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
    UNIQUE (tenant_id, name) -- Ensure that a tenant has only one database with a given name
);

CREATE TABLE IF NOT EXISTS collections_tmp (
    id TEXT PRIMARY KEY, -- unique globally
    name TEXT NOT NULL, -- unique per database
    topic TEXT NOT NULL,
    dimension INTEGER,
    database_id TEXT NOT NULL REFERENCES databases(id) ON DELETE CASCADE,
    UNIQUE (name, database_id)
);

-- Create default tenant and database
INSERT OR REPLACE INTO tenants (id) VALUES ('default_tenant'); -- The default tenant id is 'default_tenant' others are UUIDs
INSERT OR REPLACE INTO databases (id, name, tenant_id) VALUES ('00000000-0000-0000-0000-000000000000', 'default_database', 'default_tenant');

INSERT OR REPLACE INTO collections_tmp (id, name, topic, dimension, database_id)
    SELECT id, name, topic, dimension, '00000000-0000-0000-0000-000000000000' FROM collections;
DROP TABLE collections;
ALTER TABLE collections_tmp RENAME TO collections;


dir: sysdb
filename: 00005-remove-topic.sqlite.sql
hash: b1367c826b8fba5f96f27befdc1d42d2
sql:
-- Remove the topic column from the Collections and Segments tables

ALTER TABLE collections DROP COLUMN topic;
ALTER TABLE segments DROP COLUMN topic;


dir: sysdb
filename: 00006-collection-segment-metadata.sqlite.sql
hash: 4eea7468935bf25d4604a0fed2366116
sql:
-- SQLite does not support adding check with alter table, as a result, adding a check
-- involve creating a new table and copying the data over. It is over kill with adding
-- a boolean type column. The application write to the table needs to ensure the data
-- integrity.
ALTER TABLE collection_metadata ADD COLUMN bool_value INTEGER;
ALTER TABLE segment_metadata ADD COLUMN bool_value INTEGER;


dir: sysdb
filename: 00007-collection-config.sqlite.sql
hash: 1c7e63bba346a42a18b6ab7f1c989bed
sql:
-- Stores collection configuration dictionaries.
ALTER TABLE collections ADD COLUMN config_json_str TEXT;


dir: sysdb
filename: 00008-maintenance-log.sqlite.sql
hash: 0a0e7e93111a01789addf64961c6127c
sql:
-- Records when database maintenance operations are performed.
-- At time of creation, this table is only used to record vacuum operations.
CREATE TABLE maintenance_log (
  id INT PRIMARY KEY,
  timestamp INT NOT NULL,
  operation TEXT NOT NULL
);


dir: sysdb
filename: 00009-segment-collection-not-null.sqlite.sql
hash: 054355aef9e63702bf54ea29e61563f1
sql:
-- This makes segments.collection non-nullable.
CREATE TABLE segments_temp (
    id TEXT PRIMARY KEY,
    type TEXT NOT NULL,
    scope TEXT NOT NULL,
    collection TEXT REFERENCES collection(id) NOT NULL
);

INSERT INTO segments_temp SELECT * FROM segments;
DROP TABLE segments;
ALTER TABLE segments_temp RENAME TO segments;


dir: metadb
filename: 00001-embedding-metadata.sqlite.sql
hash: 2b4cf52c4bb2676e21d6860a4409f856
sql:
CREATE TABLE embeddings (
    id INTEGER PRIMARY KEY,
    segment_id TEXT NOT NULL,
    embedding_id TEXT NOT NULL,
    seq_id BLOB NOT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    UNIQUE (segment_id, embedding_id)
);

CREATE TABLE embedding_metadata (
    id INTEGER REFERENCES embeddings(id),
    key TEXT NOT NULL,
    string_value TEXT,
    int_value INTEGER,
    float_value REAL,
    PRIMARY KEY (id, key)
);

CREATE TABLE max_seq_id (
    segment_id TEXT PRIMARY KEY,
    seq_id BLOB NOT NULL
);

CREATE VIRTUAL TABLE embedding_fulltext USING fts5(id, string_value);


dir: metadb
filename: 00002-embedding-metadata.sqlite.sql
hash: 12a570f7121b3a8ce750a2a7c36da20f
sql:
-- SQLite does not support adding check with alter table, as a result, adding a check
-- involve creating a new table and copying the data over. It is over kill with adding
-- a boolean type column. The application write to the table needs to ensure the data
-- integrity.
ALTER TABLE embedding_metadata ADD COLUMN bool_value INTEGER


dir: metadb
filename: 00003-full-text-tokenize.sqlite.sql
hash: f97ad6334aeaa8f419f01110b648b97a
sql:
CREATE VIRTUAL TABLE embedding_fulltext_search USING fts5(string_value, tokenize='trigram');
INSERT INTO embedding_fulltext_search (rowid, string_value) SELECT rowid, string_value FROM embedding_metadata;
DROP TABLE embedding_fulltext;


dir: metadb
filename: 00004-metadata-indices.sqlite.sql
hash: fb36603a45ee2cd0254cef3ef86585e8
sql:
CREATE INDEX IF NOT EXISTS embedding_metadata_int_value ON embedding_metadata (key, int_value) WHERE int_value IS NOT NULL;
CREATE INDEX IF NOT EXISTS embedding_metadata_float_value ON embedding_metadata (key, float_value) WHERE float_value IS NOT NULL;
CREATE INDEX IF NOT EXISTS embedding_metadata_string_value ON embedding_metadata (key, string_value) WHERE string_value IS NOT NULL;


# embeddings_queue

created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
author correction: b-cell-specific checkpoint molecules that regulate anti-tumour immunity|https://www.nature.com/articles/s41586-025-08858-7|2025-03-17 00:00:00|a293ad9c5eeb5485ee56a24704e3b71d919dafe4074e5ce44373928fe7f3a3a1

metadata:
{"title": "author correction: b-cell-specific checkpoint molecules that regulate anti-tumour immunity", "link": "https://www.nature.com/articles/s41586-025-08858-7", "original_description": "nature, published online: 17 march 2025; doi:10.1038/s41586-025-08858-7author correction: b-cell-specific checkpoint molecules that regulate anti-tumour immunity", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/s41586-025-08858-7author correction: b-cell-specific checkpoint molecules that regulate anti-tumour immunity"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
how i connect colombia’s remote communities to safer water|https://www.nature.com/articles/d41586-025-00799-5|2025-03-17 00:00:00|5027b46a0db4beba4cb2e0985e4effa8ceb1eedf637916d574f515a027bbf52f

metadata:
{"title": "how i connect colombia\u2019s remote communities to safer water", "link": "https://www.nature.com/articles/d41586-025-00799-5", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00799-5alba graciela \u00e1vila bernal\u2019s research focuses on power-storage technologies, but she also builds custom probes to test water quality.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00799-5alba graciela \u00e1vila bernal\u2019s research focuses on power-storage technologies, but she also builds custom probes to test water quality."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the untamed river and the moog: books in brief|https://www.nature.com/articles/d41586-025-00795-9|2025-03-17 00:00:00|4db4ab850566af195c447d7b43ae75f8b7623e092551fd5588eb80a5e9b5222f

metadata:
{"title": "the untamed river and the moog: books in brief", "link": "https://www.nature.com/articles/d41586-025-00795-9", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00795-9andrew robinson reviews five of the best science picks.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00795-9andrew robinson reviews five of the best science picks."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
how researchers can work fairly with indigenous and local knowledge|https://www.nature.com/articles/d41586-025-00798-6|2025-03-17 00:00:00|3335f3b46e26b2da3ba0d80c5b35dba0f2e6ea7395c4d0bda1ac63a46ee3d791

metadata:
{"title": "how researchers can work fairly with indigenous and local knowledge", "link": "https://www.nature.com/articles/d41586-025-00798-6", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00798-6scientists around the world are recognizing that their research method isn\u2019t the only way.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00798-6scientists around the world are recognizing that their research method isn\u2019t the only way."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
‘science is happening’: israeli and palestinian scientists continue collaborations amid conflict|https://www.nature.com/articles/d41586-025-00692-1|2025-03-17 00:00:00|e022ca8ea23d9a41b517e1089aa72089d24826f7f83096461ed06004bd133225

metadata:
{"title": "\u2018science is happening\u2019: israeli and palestinian scientists continue collaborations amid conflict", "link": "https://www.nature.com/articles/d41586-025-00692-1", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00692-1from owl surveys to peer review, israel\u2019s researchers are maintaining regional and international ties despite boycotts and the risk of war resuming.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00692-1from owl surveys to peer review, israel\u2019s researchers are maintaining regional and international ties despite boycotts and the risk of war resuming."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
i spent two years organizing an international conference. how do i get compensated for my work?|https://www.nature.com/articles/d41586-025-00452-1|2025-03-17 00:00:00|dd1b46b7aef49605a9e061003e7e55d1deaaff9074f59e9d876094b48115a6ed

metadata:
{"title": "i spent two years organizing an international conference. how do i get compensated for my work?", "link": "https://www.nature.com/articles/d41586-025-00452-1", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00452-1it can be hard to say no to service requests in academia. nature\u2019s careers team sought advice on how to ensure researchers don\u2019t get stuck doing unpaid labour.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00452-1it can be hard to say no to service requests in academia. nature\u2019s careers team sought advice on how to ensure researchers don\u2019t get stuck doing unpaid labour."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
don’t wait out four hard years: speak truth to power|https://www.nature.com/articles/d41586-025-00791-z|2025-03-17 00:00:00|054e57d339be6baa2e73e14bba334ad38fb8aaf1590d3172675573159b78d644

metadata:
{"title": "don\u2019t wait out four hard years: speak truth to power", "link": "https://www.nature.com/articles/d41586-025-00791-z", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00791-zthe importance of diversity in science is an unshakeable reality that the scientific community must stand by.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00791-zthe importance of diversity in science is an unshakeable reality that the scientific community must stand by."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
what’s in store for us science as funding bill averts government shutdown|https://www.nature.com/articles/d41586-025-00827-4|2025-03-17 00:00:00|f36be67e0b957122fbdc85b410136797d316e627e02eb2bdca9f7264e95f0505

metadata:
{"title": "what\u2019s in store for us science as funding bill averts government shutdown", "link": "https://www.nature.com/articles/d41586-025-00827-4", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00827-4spending on research, including at the nih, will see modest cuts this year. but the threat of big reductions in future remain.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00827-4spending on research, including at the nih, will see modest cuts this year. but the threat of big reductions in future remain."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a radical manifesto for truth|https://www.nature.com/articles/d41586-025-00794-w|2025-03-17 00:00:00|5ba90641d58085b07e5a505d28a8fb3e6c105f15a8047ae639722f13536d5d99

metadata:
{"title": "a radical manifesto for truth", "link": "https://www.nature.com/articles/d41586-025-00794-w", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00794-wis a revolution of standards in public life the key to tackling our intertwined environmental crises? a compelling book argues it is.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00794-wis a revolution of standards in public life the key to tackling our intertwined environmental crises? a compelling book argues it is."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
how a phd travel fellowship enriched an international cell-biology meeting|https://www.nature.com/articles/d41586-025-00622-1|2025-03-17 00:00:00|db10fdf63c3bbd5517ccf16232a64d9a20e1fbfe80c248c34e71b0a59b29ac04

metadata:
{"title": "how a phd travel fellowship enriched an international cell-biology meeting", "link": "https://www.nature.com/articles/d41586-025-00622-1", "original_description": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00622-1the recipients, all from african countries, were not the only beneficiaries, says rafiou agoro.", "published": "2025-03-17 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "nature, published online: 17 march 2025; doi:10.1038/d41586-025-00622-1the recipients, all from african countries, were not the only beneficiaries, says rafiou agoro."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
science at sundance 2025|https://www.science.org/doi/abs/10.1126/science.adw4633?af=r|2025-03-13 05:59:03|b7392aa82ee66e35c616da3fb4f38293e70a457c99b70e17f51c30da41329110

metadata:
{"title": "science at sundance 2025", "link": "https://www.science.org/doi/abs/10.1126/science.adw4633?af=r", "original_description": "science, volume 387, issue 6739, page 1142-1146, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1142-1146, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
geological resource production constrained by regional water availability|https://www.science.org/doi/abs/10.1126/science.adk5318?af=r|2025-03-13 05:59:03|8a6da970542bb791ca7d140adab439b31ea787cb7d60cb34fa5954207506a99e

metadata:
{"title": "geological resource production constrained by regional water availability", "link": "https://www.science.org/doi/abs/10.1126/science.adk5318?af=r", "original_description": "science, volume 387, issue 6739, page 1214-1218, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1214-1218, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
environmental effects of the kakhovka dam destruction by warfare in ukraine|https://www.science.org/doi/abs/10.1126/science.adn8655?af=r|2025-03-13 05:59:03|3098550e603888921dcd8c8c78392f73df1e0c2393da6b050f9d69dee8b47138

metadata:
{"title": "environmental effects of the kakhovka dam destruction by warfare in ukraine", "link": "https://www.science.org/doi/abs/10.1126/science.adn8655?af=r", "original_description": "science, volume 387, issue 6739, page 1181-1186, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1181-1186, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
three-dimensional maps of the interstellar dust extinction curve within the milky way galaxy|https://www.science.org/doi/abs/10.1126/science.ado9787?af=r|2025-03-13 05:59:03|4f52950212a9566585e358d9ca2603d9cf811e048f3ca0dc8a8fb2eaa8d9982c

metadata:
{"title": "three-dimensional maps of the interstellar dust extinction curve within the milky way galaxy", "link": "https://www.science.org/doi/abs/10.1126/science.ado9787?af=r", "original_description": "science, volume 387, issue 6739, page 1209-1214, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1209-1214, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
island geography drives evolution of rattan palms in tropical asian rainforests|https://www.science.org/doi/abs/10.1126/science.adp3437?af=r|2025-03-13 05:59:03|f9d0beb4e8f078cf96a16f781f0192da9f3ab88fd42875cb90e3a23081ecb856

metadata:
{"title": "island geography drives evolution of rattan palms in tropical asian rainforests", "link": "https://www.science.org/doi/abs/10.1126/science.adp3437?af=r", "original_description": "science, volume 387, issue 6739, page 1204-1209, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1204-1209, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
sunlight drives the abiotic formation of nitrous oxide in fresh and marine waters|https://www.science.org/doi/abs/10.1126/science.adq0302?af=r|2025-03-13 05:59:03|f573f9fad0eb6a741e5bf3ad1f2c04c37f9286d4175415cb08ff87e10d53e722

metadata:
{"title": "sunlight drives the abiotic formation of nitrous oxide in fresh and marine waters", "link": "https://www.science.org/doi/abs/10.1126/science.adq0302?af=r", "original_description": "science, volume 387, issue 6739, page 1198-1203, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1198-1203, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
excited-state configuration of nitroarenes enables oxidative cleavage of aromatics over alkenes|https://www.science.org/doi/abs/10.1126/science.ads3955?af=r|2025-03-13 05:59:03|36c04e56ce19526ebbbe93915efd36ad12d9c9e7a1cb08fd8d5d84aca0c04c42

metadata:
{"title": "excited-state configuration of nitroarenes enables oxidative cleavage of aromatics over alkenes", "link": "https://www.science.org/doi/abs/10.1126/science.ads3955?af=r", "original_description": "science, volume 387, issue 6739, page 1167-1174, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1167-1174, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
piezoelectricity in half-heusler narrow-bandgap semiconductors|https://www.science.org/doi/abs/10.1126/science.ads9584?af=r|2025-03-13 05:59:03|0ebd4a3facc45294582bf94315fcc87267dcad616b6c7f8e1c1ac3c718f7e145

metadata:
{"title": "piezoelectricity in half-heusler narrow-bandgap semiconductors", "link": "https://www.science.org/doi/abs/10.1126/science.ads9584?af=r", "original_description": "science, volume 387, issue 6739, page 1187-1192, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1187-1192, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
circularly polarized electroluminescence from chiral supramolecular semiconductor thin films|https://www.science.org/doi/abs/10.1126/science.adt3011?af=r|2025-03-13 05:59:03|c2da76f71ad726bffc8e68a7b105949a4149ce1f1801c5d5d76796a17ce76f22

metadata:
{"title": "circularly polarized electroluminescence from chiral supramolecular semiconductor thin films", "link": "https://www.science.org/doi/abs/10.1126/science.adt3011?af=r", "original_description": "science, volume 387, issue 6739, page 1175-1181, march 2025.", "published": "2025-03-13 05:59:03", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, page 1175-1181, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
tunneling nanotube–like structures regulate distant cellular interactions during heart formation|https://www.science.org/doi/abs/10.1126/science.add3417?af=r|2025-03-14 07:00:00|add8a17be4fdad0cbfdb47b524cd8a78b8c96290a85887148057ce7eb4594f5d

metadata:
{"title": "tunneling nanotube\u2013like structures regulate distant cellular interactions during heart formation", "link": "https://www.science.org/doi/abs/10.1126/science.add3417?af=r", "original_description": "science, volume 387, issue 6739, march 2025.", "published": "2025-03-14 07:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "science, volume 387, issue 6739, march 2025."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the junction of immersive analytics and virtual reconstructions -- a case study on the mausoleum of emperor maxentius|https://arxiv.org/abs/2503.11653|2025-03-18 00:00:00|479f01efd2bc447015bf904ab50ff1decf7a6738b3a127233c4e74c6ac99bf32

metadata:
{"title": "the junction of immersive analytics and virtual reconstructions -- a case study on the mausoleum of emperor maxentius", "link": "https://arxiv.org/abs/2503.11653", "original_description": "arxiv:2503.11653v1 announce type: new abstract: virtual archaeology has significantly evolved over the last decades through advancements in data acquisition and representation by, e.g., improved data recording technologies and virtual reality devices. immersive environments provide novel ways to present historical events or objects with high visual quality for both, the general public as well as researchers. here, we examine how the emerging field of immersive analytics can contribute to enhancing the understanding and exploration of archaeological data and explore the junction of virtual archaeology and immersive analytics, utilising reconstructions of the mausoleum of the late roman emperor maxentius in rome for argumentation. based on our work, we advocate the value of combining historical and computer science expertise for virtual reconstructions and immersive environments to facilitate deeper understanding and interactive exploration of archaeological data.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11653v1 announce type: new abstract: virtual archaeology has significantly evolved over the last decades through advancements in data acquisition and representation by, e.g., improved data recording technologies and virtual reality devices. immersive environments provide novel ways to present historical events or objects with high visual quality for both, the general public as well as researchers. here, we examine how the emerging field of immersive analytics can contribute to enhancing the understanding and exploration of archaeological data and explore the junction of virtual archaeology and immersive analytics, utilising reconstructions of the mausoleum of the late roman emperor maxentius in rome for argumentation. based on our work, we advocate the value of combining historical and computer science expertise for virtual reconstructions and immersive environments to facilitate deeper understanding and interactive exploration of archaeological data."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
enhanced lpddr4x phy in 12 nm finfet|https://arxiv.org/abs/2503.11654|2025-03-18 00:00:00|e9a0e0bb57a59a15faec9607d6166f2fd726b02dda1fb37260cce1696d49bbf4

metadata:
{"title": "enhanced lpddr4x phy in 12 nm finfet", "link": "https://arxiv.org/abs/2503.11654", "original_description": "arxiv:2503.11654v1 announce type: new abstract: the demand for memory technologies with high bandwidth, low power consumption, and enhanced reliability has led to the emergence of lpddr4x dram memory. however, power efficiency and reliability depend not only on the memory device but also on its interfacing. to enable advanced monitoring of lpddr4x dram devices and interface tuning, we propose a lpddr4x phy implemented in 12 nm finfet technology. a risc-v subsystem offers software-controlled dram interface access as well as external interfaces to connect additional sensors for monitoring temperature and current consumption of lpddr4x dram devices.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11654v1 announce type: new abstract: the demand for memory technologies with high bandwidth, low power consumption, and enhanced reliability has led to the emergence of lpddr4x dram memory. however, power efficiency and reliability depend not only on the memory device but also on its interfacing. to enable advanced monitoring of lpddr4x dram devices and interface tuning, we propose a lpddr4x phy implemented in 12 nm finfet technology. a risc-v subsystem offers software-controlled dram interface access as well as external interfaces to connect additional sensors for monitoring temperature and current consumption of lpddr4x dram devices."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
explainable sentiment analysis with deepseek-r1: performance, efficiency, and few-shot learning|https://arxiv.org/abs/2503.11655|2025-03-18 00:00:00|de3eda6ecfc24e707647f2803b8b9742c1b73e80cefac3841ea995ed7cf380c8

metadata:
{"title": "explainable sentiment analysis with deepseek-r1: performance, efficiency, and few-shot learning", "link": "https://arxiv.org/abs/2503.11655", "original_description": "arxiv:2503.11655v1 announce type: new abstract: recent advancements in large language models (llms) have significantly enhanced sentiment analysis capabilities. however, the trade-offs between model performance, efficiency, and explainability of some latest models remain underexplored. this study presents the first comprehensive evaluation of the deepseek-r1 series of models, reasoning open-source llms, for sentiment analysis, comparing them against openai's gpt-4 and gpt-4-mini. we systematically analyze their performance under few-shot prompting conditions, scaling up to 50-shot configurations to assess in-context learning effectiveness. our experiments reveal that deepseek-r1 demonstrates competitive accuracy, particularly in multi-class sentiment tasks, while offering enhanced interpretability through its detailed reasoning process. additionally, we highlight the impact of increasing few-shot examples on model performance and discuss key trade-offs between explainability and computational efficiency.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11655v1 announce type: new abstract: recent advancements in large language models (llms) have significantly enhanced sentiment analysis capabilities. however, the trade-offs between model performance, efficiency, and explainability of some latest models remain underexplored. this study presents the first comprehensive evaluation of the deepseek-r1 series of models, reasoning open-source llms, for sentiment analysis, comparing them against openai's gpt-4 and gpt-4-mini. we systematically analyze their performance under few-shot prompting conditions, scaling up to 50-shot configurations to assess in-context learning effectiveness. our experiments reveal that deepseek-r1 demonstrates competitive accuracy, particularly in multi-class sentiment tasks, while offering enhanced interpretability through its detailed reasoning process. additionally, we highlight the impact of increasing few-shot examples on model performance and discuss key trade-offs between explainability and computational efficiency."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
truth decay: quantifying multi-turn sycophancy in language models|https://arxiv.org/abs/2503.11656|2025-03-18 00:00:00|fd8e20240cc4a5dedadbc69b3ecd1661b965c369d92e16e9c42e371b271697a8

metadata:
{"title": "truth decay: quantifying multi-turn sycophancy in language models", "link": "https://arxiv.org/abs/2503.11656", "original_description": "arxiv:2503.11656v1 announce type: new abstract: rapid improvements in large language models have unveiled a critical challenge in human-ai interaction: sycophancy. in this context, sycophancy refers to the tendency of models to excessively agree with or flatter users, often at the expense of factual accuracy. while previous studies have primarily analyzed this behavior in single-turn interactions, its persistence and evolution in multi-step conversations remain largely unexplored. we introduce truth decay, a benchmark specifically designed to evaluate sycophancy in extended dialogues, where language models must navigate iterative user feedback, challenges, and persuasion. we prompt models to elicit four types of sycophantic biases. we then propose and test sycophancy reduction strategies, evaluating their effectiveness beyond single-step interactions.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11656v1 announce type: new abstract: rapid improvements in large language models have unveiled a critical challenge in human-ai interaction: sycophancy. in this context, sycophancy refers to the tendency of models to excessively agree with or flatter users, often at the expense of factual accuracy. while previous studies have primarily analyzed this behavior in single-turn interactions, its persistence and evolution in multi-step conversations remain largely unexplored. we introduce truth decay, a benchmark specifically designed to evaluate sycophancy in extended dialogues, where language models must navigate iterative user feedback, challenges, and persuasion. we prompt models to elicit four types of sycophantic biases. we then propose and test sycophancy reduction strategies, evaluating their effectiveness beyond single-step interactions."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
automating mathematical proof generation using large language model agents and knowledge graphs|https://arxiv.org/abs/2503.11657|2025-03-18 00:00:00|3092b3483ec9716fd9c34a0cce71ff1d9ad05b27b678d8695dab3c08ca0c7ab6

metadata:
{"title": "automating mathematical proof generation using large language model agents and knowledge graphs", "link": "https://arxiv.org/abs/2503.11657", "original_description": "arxiv:2503.11657v1 announce type: new abstract: large language models have demonstrated remarkable capabilities in natural language processing tasks, including mathematical problem-solving that requires multi-step logical reasoning. however, challenges persist in automating the identification of key mathematical concepts, understanding their interrelations, and formalizing proofs within a rigorous framework. we present a novel framework that leverages knowledge graphs to augment llms to construct and formalize mathematical proofs. our results demonstrate significant performance improvements across multiple datasets, with using knowledge graphs, achieving up to a 34% success rate on the mustardsauce dataset on o1-mini and consistently outperforming baseline approaches by 2-11% across different models. we show how this approach bridges the gap between natural language understanding and formal logic proof systems and achieve elevated results for foundation models over baseline.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11657v1 announce type: new abstract: large language models have demonstrated remarkable capabilities in natural language processing tasks, including mathematical problem-solving that requires multi-step logical reasoning. however, challenges persist in automating the identification of key mathematical concepts, understanding their interrelations, and formalizing proofs within a rigorous framework. we present a novel framework that leverages knowledge graphs to augment llms to construct and formalize mathematical proofs. our results demonstrate significant performance improvements across multiple datasets, with using knowledge graphs, achieving up to a 34% success rate on the mustardsauce dataset on o1-mini and consistently outperforming baseline approaches by 2-11% across different models. we show how this approach bridges the gap between natural language understanding and formal logic proof systems and achieve elevated results for foundation models over baseline."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
circuit diagram retrieval based on hierarchical circuit graph representation|https://arxiv.org/abs/2503.11658|2025-03-18 00:00:00|46b1fbc4e93fed030d03ee8854d4c342471d1ecf4ecd911102c18f1b78b7f44d

metadata:
{"title": "circuit diagram retrieval based on hierarchical circuit graph representation", "link": "https://arxiv.org/abs/2503.11658", "original_description": "arxiv:2503.11658v1 announce type: new abstract: in the domain of analog circuit design, the retrieval of circuit diagrams has drawn a great interest, primarily due to its vital role in the consultation of legacy designs and the detection of design plagiarism. existing image retrieval techniques are adept at handling natural images, which converts images into feature vectors and retrieval similar images according to the closeness of these vectors. nonetheless, these approaches exhibit limitations when applied to the more specialized and intricate domain of circuit diagrams. this paper presents a novel approach to circuit diagram retrieval by employing a graph representation of circuit diagrams, effectively reformulating the retrieval task as a graph retrieval problem. the proposed methodology consists of two principal components: a circuit diagram recognition algorithm designed to extract the circuit components and topological structure of the circuit using proposed gam-yolo model and a 2-step connected domain filtering algorithm, and a hierarchical retrieval strategy based on graph similarity and different graph representation methods for analog circuits. our methodology pioneers the utilization of graph representation in the retrieval of circuit diagrams, incorporating topological features that are commonly overlooked by standard image retrieval methods. the results of our experiments substantiate the efficacy of our approach in retrieving circuit diagrams across of different types.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11658v1 announce type: new abstract: in the domain of analog circuit design, the retrieval of circuit diagrams has drawn a great interest, primarily due to its vital role in the consultation of legacy designs and the detection of design plagiarism. existing image retrieval techniques are adept at handling natural images, which converts images into feature vectors and retrieval similar images according to the closeness of these vectors. nonetheless, these approaches exhibit limitations when applied to the more specialized and intricate domain of circuit diagrams. this paper presents a novel approach to circuit diagram retrieval by employing a graph representation of circuit diagrams, effectively reformulating the retrieval task as a graph retrieval problem. the proposed methodology consists of two principal components: a circuit diagram recognition algorithm designed to extract the circuit components and topological structure of the circuit using proposed gam-yolo model and a 2-step connected domain filtering algorithm, and a hierarchical retrieval strategy based on graph similarity and different graph representation methods for analog circuits. our methodology pioneers the utilization of graph representation in the retrieval of circuit diagrams, incorporating topological features that are commonly overlooked by standard image retrieval methods. the results of our experiments substantiate the efficacy of our approach in retrieving circuit diagrams across of different types."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
zero trust architecture: a systematic literature review|https://arxiv.org/abs/2503.11659|2025-03-18 00:00:00|ad33c22b4f8d8a81d1c80d17c01cb2629c86ca6c2894bf9f81ea0011fcc18014

metadata:
{"title": "zero trust architecture: a systematic literature review", "link": "https://arxiv.org/abs/2503.11659", "original_description": "arxiv:2503.11659v1 announce type: new abstract: the increasing complexity of digital ecosystems and evolving cybersecurity threats have highlighted the limitations of traditional perimeter-based security models, leading to the growing adoption of zero trust architecture (zta). zta operates on the principle of \"never trust, always verify\", enforcing continuous authentication, conditional access, dynamic trust evaluation, and the principle of least privilege to enhance security across diverse domains. this study applies the prisma framework to analyze 10 years of research (2016-2025) on zta, presenting a systematic literature review (slr) that synthesizes its applications, enabling technologies, and associated challenges. it provides a detailed taxonomy that organizes zta's application domains, together with the emerging technologies that facilitate its implementation, and critically examines the barriers to zta adoption. additionally, the study traces the historical evolution of zta alongside notable events and publications trends while highlighting some potential factors for the surge over the past few years. this comprehensive analysis serves as a practical guide for researchers and practitioners seeking to leverage zta for stronger, more adaptive security frameworks in a rapidly shifting threat landscape.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11659v1 announce type: new abstract: the increasing complexity of digital ecosystems and evolving cybersecurity threats have highlighted the limitations of traditional perimeter-based security models, leading to the growing adoption of zero trust architecture (zta). zta operates on the principle of \"never trust, always verify\", enforcing continuous authentication, conditional access, dynamic trust evaluation, and the principle of least privilege to enhance security across diverse domains. this study applies the prisma framework to analyze 10 years of research (2016-2025) on zta, presenting a systematic literature review (slr) that synthesizes its applications, enabling technologies, and associated challenges. it provides a detailed taxonomy that organizes zta's application domains, together with the emerging technologies that facilitate its implementation, and critically examines the barriers to zta adoption. additionally, the study traces the historical evolution of zta alongside notable events and publications trends while highlighting some potential factors for the surge over the past few years. this comprehensive analysis serves as a practical guide for researchers and practitioners seeking to leverage zta for stronger, more adaptive security frameworks in a rapidly shifting threat landscape."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a 28 nm ai microcontroller with tightly coupled zero-standby power weight memory featuring standard logic compatible 4 mb 4-bits/cell embedded flash technology|https://arxiv.org/abs/2503.11660|2025-03-18 00:00:00|ed727aacaf2632fbf4b1934a6e606e866cc4afc96423760cbf8bcbb40eddd929

metadata:
{"title": "a 28 nm ai microcontroller with tightly coupled zero-standby power weight memory featuring standard logic compatible 4 mb 4-bits/cell embedded flash technology", "link": "https://arxiv.org/abs/2503.11660", "original_description": "arxiv:2503.11660v1 announce type: new abstract: this study introduces a novel ai microcontroller optimized for cost-effective, battery-powered edge ai applications. unlike traditional single bit/cell memory configurations, the proposed microcontroller integrates zero-standby power weight memory featuring standard logic compatible 4-bits/cell embedded flash technology tightly coupled to a near-memory computing unit. this architecture enables efficient and low-power ai acceleration. advanced state mapping and an overstress-free word line (wl) driver circuit extend verify levels, ensuring robust 16 state cell margin. a ping-pong buffer reduces internal data movement while supporting simultaneous multi-bit processing. the fabricated microcontroller demonstrated high reliability, maintaining accuracy after 160 hours of unpowered baking at 125$^\\circ$c.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11660v1 announce type: new abstract: this study introduces a novel ai microcontroller optimized for cost-effective, battery-powered edge ai applications. unlike traditional single bit/cell memory configurations, the proposed microcontroller integrates zero-standby power weight memory featuring standard logic compatible 4-bits/cell embedded flash technology tightly coupled to a near-memory computing unit. this architecture enables efficient and low-power ai acceleration. advanced state mapping and an overstress-free word line (wl) driver circuit extend verify levels, ensuring robust 16 state cell margin. a ping-pong buffer reduces internal data movement while supporting simultaneous multi-bit processing. the fabricated microcontroller demonstrated high reliability, maintaining accuracy after 160 hours of unpowered baking at 125$^\\circ$c."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
lorecast: layout-aware performance and power forecasting from natural language|https://arxiv.org/abs/2503.11662|2025-03-18 00:00:00|8f45bfe1c80bfb60216a22b116aae25d7c8be4dc7aa40e9366aa07384182bc08

metadata:
{"title": "lorecast: layout-aware performance and power forecasting from natural language", "link": "https://arxiv.org/abs/2503.11662", "original_description": "arxiv:2503.11662v1 announce type: new abstract: in chip design planning, obtaining reliable performance and power forecasts for various design options is of critical importance. traditionally, this involves using system-level models, which often lack accuracy, or trial synthesis, which is both labor-intensive and time-consuming. we introduce a new methodology, called lorecast, which accepts english prompts as input to rapidly generate layout-aware performance and power estimates. this approach bypasses the need for hdl code development or synthesis, making it both fast and user-friendly. experimental results demonstrate that lorecast achieves accuracy within a few percent of error compared to post-layout analysis.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11662v1 announce type: new abstract: in chip design planning, obtaining reliable performance and power forecasts for various design options is of critical importance. traditionally, this involves using system-level models, which often lack accuracy, or trial synthesis, which is both labor-intensive and time-consuming. we introduce a new methodology, called lorecast, which accepts english prompts as input to rapidly generate layout-aware performance and power estimates. this approach bypasses the need for hdl code development or synthesis, making it both fast and user-friendly. experimental results demonstrate that lorecast achieves accuracy within a few percent of error compared to post-layout analysis."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
meadow: memory-efficient dataflow and data packing for low power edge llms|https://arxiv.org/abs/2503.11663|2025-03-18 00:00:00|eb0eb48f81c1b279b5e3111635dcf57018e5cb7585043c5d8f6374f5d7ca99dc

metadata:
{"title": "meadow: memory-efficient dataflow and data packing for low power edge llms", "link": "https://arxiv.org/abs/2503.11663", "original_description": "arxiv:2503.11663v1 announce type: new abstract: the computational and memory challenges of large language models (llms) have sparked several optimization approaches towards their efficient implementation. while prior llm-targeted quantization, and prior works on sparse acceleration have significantly mitigated the memory and computation bottleneck, they do so assuming high power platforms such as gpus and server-class fpgas with large off-chip memory bandwidths and employ a generalized matrix multiplication (gemm) execution of all the layers in the decoder. in such a gemm-based execution, data is fetched from an off-chip memory, computed and stored back. however, at reduced off-chip memory capacities, as is the case with low-power edge devices, this implementation strategy significantly increases the attention computation latency owing to the repeated storage and fetch of large intermediate tokens to and from the off-chip memory. moreover, fetching the weight matrices from a bandwidth constrained memory further aggravates the memory bottleneck problem. to this end, we introduce meadow, a framework that significantly reduces the off-chip memory access for llms with a novel token-parallel head-sequential (tphs) dataflow. additionally, meadow applies weight packing that performs loss-less decomposition of large weight matrices to their unique elements thereby, reducing the enormous weight fetch latency. meadow demonstrates 1.5x and 2.5x lower decode and prefill latency, respectively, compared to a gemm-based llm implementation on the low power xilinx zcu102 fpga platform that consumes less than 10w. additionally, meadow achieves an end-to-end latency improvement of over 40%, compared to prior llm optimization works.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11663v1 announce type: new abstract: the computational and memory challenges of large language models (llms) have sparked several optimization approaches towards their efficient implementation. while prior llm-targeted quantization, and prior works on sparse acceleration have significantly mitigated the memory and computation bottleneck, they do so assuming high power platforms such as gpus and server-class fpgas with large off-chip memory bandwidths and employ a generalized matrix multiplication (gemm) execution of all the layers in the decoder. in such a gemm-based execution, data is fetched from an off-chip memory, computed and stored back. however, at reduced off-chip memory capacities, as is the case with low-power edge devices, this implementation strategy significantly increases the attention computation latency owing to the repeated storage and fetch of large intermediate tokens to and from the off-chip memory. moreover, fetching the weight matrices from a bandwidth constrained memory further aggravates the memory bottleneck problem. to this end, we introduce meadow, a framework that significantly reduces the off-chip memory access for llms with a novel token-parallel head-sequential (tphs) dataflow. additionally, meadow applies weight packing that performs loss-less decomposition of large weight matrices to their unique elements thereby, reducing the enormous weight fetch latency. meadow demonstrates 1.5x and 2.5x lower decode and prefill latency, respectively, compared to a gemm-based llm implementation on the low power xilinx zcu102 fpga platform that consumes less than 10w. additionally, meadow achieves an end-to-end latency improvement of over 40%, compared to prior llm optimization works."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
industrial applications of neutrinos|https://arxiv.org/abs/2503.11686|2025-03-18 00:00:00|baea591537ba98394a8d65ee363c4bd04f632200938be7bcba5ba69992554982

metadata:
{"title": "industrial applications of neutrinos", "link": "https://arxiv.org/abs/2503.11686", "original_description": "arxiv:2503.11686v1 announce type: new abstract: we present a review of the current and future industrial applications of neutrinos. we address the industrial applications of neutrinos in geological and geochemical studies of the earth's interior, in monitoring earthquakes, in terrestrial communications, in applications for submarines, in monitoring nuclear power plants and fusion reactors, in the management of fissile materials used in nuclear plants, in tracking nuclear tests, among other applications. we also address future possibilities for industrial applications of neutrinos, especially concerning communications in the solar system and geotomography of solar system bodies.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11686v1 announce type: new abstract: we present a review of the current and future industrial applications of neutrinos. we address the industrial applications of neutrinos in geological and geochemical studies of the earth's interior, in monitoring earthquakes, in terrestrial communications, in applications for submarines, in monitoring nuclear power plants and fusion reactors, in the management of fissile materials used in nuclear plants, in tracking nuclear tests, among other applications. we also address future possibilities for industrial applications of neutrinos, especially concerning communications in the solar system and geotomography of solar system bodies."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
measuring the dynamical evolution of the united states lobbying network|https://arxiv.org/abs/2503.11745|2025-03-18 00:00:00|d24d27dd8fb3670bdd1cda2a11336d8d8be689df80cfd6043fa28b0ce93831c5

metadata:
{"title": "measuring the dynamical evolution of the united states lobbying network", "link": "https://arxiv.org/abs/2503.11745", "original_description": "arxiv:2503.11745v1 announce type: new abstract: lobbying systems are complex political networks that influence governmental decisions, with often profound socio-economic consequences on national and global scales. for most political systems, a comprehensive understanding of lobbying strategies and dynamics is likely to remain elusive as time-resolved system-spanning data and analysis are lacking. a notable exception is the united states (u.s.), where the lobbying disclosure act (lda) of 1995 mandates that all federal lobbying activities be disclosed in detailed quarterly reports. here, we introduce our recently completed relational lobbyview database that accounts for every reported lobbying instance since the implementation of the lda. we demonstrate how lobbyview can be used as a resource to quantify the salient aspects of the u.s.~lobbying, such as dynamical evolution, economic impacts, or political polarization. by analyzing the dynamic evolution of the lobbying network, we identify fundamental self-organization principles, such as the self-accelerating accumulation of influence within a small group of powerful lobbying firms. we further show how lobbyview data can be used to accurately measure the synchronization of lobbying activities with election cycles. finally, as a guide to future research, we illustrate how this data resource can enable quantitative time-resolved analysis to investigate a wide range of critical issues, including concentration of resources, demographic representation, and polarization dynamics in the u.s.~lobbying system. we envisage our database to be not only a potent resource for political and social scientists but also a starting point for quantitative interdisciplinary research, by leveraging insights and methods from statistical physics, systems biology, and machine learning.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11745v1 announce type: new abstract: lobbying systems are complex political networks that influence governmental decisions, with often profound socio-economic consequences on national and global scales. for most political systems, a comprehensive understanding of lobbying strategies and dynamics is likely to remain elusive as time-resolved system-spanning data and analysis are lacking. a notable exception is the united states (u.s.), where the lobbying disclosure act (lda) of 1995 mandates that all federal lobbying activities be disclosed in detailed quarterly reports. here, we introduce our recently completed relational lobbyview database that accounts for every reported lobbying instance since the implementation of the lda. we demonstrate how lobbyview can be used as a resource to quantify the salient aspects of the u.s.~lobbying, such as dynamical evolution, economic impacts, or political polarization. by analyzing the dynamic evolution of the lobbying network, we identify fundamental self-organization principles, such as the self-accelerating accumulation of influence within a small group of powerful lobbying firms. we further show how lobbyview data can be used to accurately measure the synchronization of lobbying activities with election cycles. finally, as a guide to future research, we illustrate how this data resource can enable quantitative time-resolved analysis to investigate a wide range of critical issues, including concentration of resources, demographic representation, and polarization dynamics in the u.s.~lobbying system. we envisage our database to be not only a potent resource for political and social scientists but also a starting point for quantitative interdisciplinary research, by leveraging insights and methods from statistical physics, systems biology, and machine learning."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
physical principles of quantum biology|https://arxiv.org/abs/2503.11747|2025-03-18 00:00:00|5ab2b998f6c3210819e1f3f0b88af069aae4ea6ca38264ac78daf311b751ba04

metadata:
{"title": "physical principles of quantum biology", "link": "https://arxiv.org/abs/2503.11747", "original_description": "arxiv:2503.11747v1 announce type: new abstract: this technical monograph provides a comprehensive overview of the field of quantum biology. it approaches quantum biology from a physical perspective with core quantum mechanical concepts presented foremost to provide a theoretical foundation for the field. an extensive body of research is covered to clarify the significance of quantum biology as a scientific field, outlining the field's long-standing importance in the historical development of quantum theory. this lays the essential groundwork to enable further advances in nanomedicine and biotechnology. written for academics, biological science researchers, physicists, biochemists, medical technologists, and students of quantum mechanics, this text brings clarity to fundamental advances being made in the emerging science of quantum biology.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11747v1 announce type: new abstract: this technical monograph provides a comprehensive overview of the field of quantum biology. it approaches quantum biology from a physical perspective with core quantum mechanical concepts presented foremost to provide a theoretical foundation for the field. an extensive body of research is covered to clarify the significance of quantum biology as a scientific field, outlining the field's long-standing importance in the historical development of quantum theory. this lays the essential groundwork to enable further advances in nanomedicine and biotechnology. written for academics, biological science researchers, physicists, biochemists, medical technologists, and students of quantum mechanics, this text brings clarity to fundamental advances being made in the emerging science of quantum biology."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
direct experimental observation of total absorption and loss compensation using sound waves with complex frequencies|https://arxiv.org/abs/2503.11748|2025-03-18 00:00:00|5121685d96805d2ad077c66934d6cf1af895a9ed506d9c581e6c3cc72c808ec2

metadata:
{"title": "direct experimental observation of total absorption and loss compensation using sound waves with complex frequencies", "link": "https://arxiv.org/abs/2503.11748", "original_description": "arxiv:2503.11748v1 announce type: new abstract: in this study, we experimentally investigate the application of a transient signal with complex frequencies to the absorption and transmission of sound waves. indeed, the emission of a wave with an exponentially varying amplitude in time is analogous, in the frequency domain, to a monochromatic wave with spatial gain or loss. our results show that by exciting a non-critically coupled helmholtz resonator with a wave having a growing amplitude, total absorption can still be achieved. furthermore, the lossy propagation of a traveling wave in a duct is also studied, and it is shown that the losses embedded in the complex wavenumber can be compensated by using a transient signal with decreasing amplitude. these results confirm the potential of complex frequency excitation for exploring new means of manipulating sound waves to mimic gain and loss.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11748v1 announce type: new abstract: in this study, we experimentally investigate the application of a transient signal with complex frequencies to the absorption and transmission of sound waves. indeed, the emission of a wave with an exponentially varying amplitude in time is analogous, in the frequency domain, to a monochromatic wave with spatial gain or loss. our results show that by exciting a non-critically coupled helmholtz resonator with a wave having a growing amplitude, total absorption can still be achieved. furthermore, the lossy propagation of a traveling wave in a duct is also studied, and it is shown that the losses embedded in the complex wavenumber can be compensated by using a transient signal with decreasing amplitude. these results confirm the potential of complex frequency excitation for exploring new means of manipulating sound waves to mimic gain and loss."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
ordinal language of antipersistent binary walks|https://arxiv.org/abs/2503.11784|2025-03-18 00:00:00|f92040171e3b64c1f5c73bd7ebd5e632f1460a20a4855ca7cd0d982fdb2c84e1

metadata:
{"title": "ordinal language of antipersistent binary walks", "link": "https://arxiv.org/abs/2503.11784", "original_description": "arxiv:2503.11784v1 announce type: new abstract: this paper explores the effectiveness of using ordinal pattern probabilities to evaluate antipersistency in the sign decomposition of long-range anti-correlated gaussian fluctuations. it is numerically shown that ordinal patterns are able to effectively measure both persistent and antipersistent dynamics by analyzing the sign decomposition derived from fractional gaussian noise. these findings are crucial given that traditional methods such as detrended fluctuation analysis are unsuccessful in detecting anti-correlations in such sequences. the numerical results are supported by physiological and environmental data, illustrating its applicability in real-world situations.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11784v1 announce type: new abstract: this paper explores the effectiveness of using ordinal pattern probabilities to evaluate antipersistency in the sign decomposition of long-range anti-correlated gaussian fluctuations. it is numerically shown that ordinal patterns are able to effectively measure both persistent and antipersistent dynamics by analyzing the sign decomposition derived from fractional gaussian noise. these findings are crucial given that traditional methods such as detrended fluctuation analysis are unsuccessful in detecting anti-correlations in such sequences. the numerical results are supported by physiological and environmental data, illustrating its applicability in real-world situations."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
effect of oblique horizontal magnetic field on convection rolls|https://arxiv.org/abs/2503.11799|2025-03-18 00:00:00|5a611fc44521245e826b37b6fa3f5d3f29acaa3ded85eb7b76b49565e2d2c2dc

metadata:
{"title": "effect of oblique horizontal magnetic field on convection rolls", "link": "https://arxiv.org/abs/2503.11799", "original_description": "arxiv:2503.11799v1 announce type: new abstract: we investigate the effect of external horizontal magnetic field applied on the convection rolls obliquely (at an angle $\\phi$ with the $x$-axis) in electrically conducting low prandtl number fluids under the paradigm of the rayleigh-b\\'{e}nard convection by performing three-dimensional direct numerical simulations. the control parameters, namely, the chandrasekhar number ($\\mathrm{q}$) and the reduced rayleigh number $r$ (ratio of rayleigh number to critical rayleigh number), are varied in the ranges $0 \\leq \\mathrm{q} \\leq 1000$ and $1 \\leq r \\leq 20$ for the prandtl numbers $\\mathrm{pr} = 0.1$ and $0.2$ by considering three horizontal aspect ratios ($\\gamma$): $\\frac{1}{2}$, $1$ and $2$. in the absence of the magnetic field, the convection starts in the form of steady rolls including the one parallel to the $x$-axis. as the oblique horizontal magnetic field is switched on at an angle $\\phi \\in (0^\\circ, ~90^\\circ]$ with the $x$-axis, it is observed that the lorentz force generated by the component of the magnetic field transverse to the axis of the convection rolls inhibits convection in the form of steady rolls. thus, with the application of the magnetic field, the convection is suppressed and restarts for a higher rayleigh number in the form of steady convection rolls. the rolls can either be oriented along the $x$-axis (steady parallel rolls, spr) or oriented at an angle $45^\\circ$ (steady oblique rolls, sor$^+$) with the $x$-axis depending on the choices of the parameters. a rich bifurcation structure with standing and traveling patterns emerges at higher $r$. the oscillatory instability of steady rolls scales as \\( \\mathrm{q}^\\alpha \\) with distinct exponents for weak and strong magnetic fields. additionally, heat transfer decreases with increasing \\( \\phi \\) for given \\( \\mathrm{q} \\) and \\( \\mathrm{pr} \\).", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11799v1 announce type: new abstract: we investigate the effect of external horizontal magnetic field applied on the convection rolls obliquely (at an angle $\\phi$ with the $x$-axis) in electrically conducting low prandtl number fluids under the paradigm of the rayleigh-b\\'{e}nard convection by performing three-dimensional direct numerical simulations. the control parameters, namely, the chandrasekhar number ($\\mathrm{q}$) and the reduced rayleigh number $r$ (ratio of rayleigh number to critical rayleigh number), are varied in the ranges $0 \\leq \\mathrm{q} \\leq 1000$ and $1 \\leq r \\leq 20$ for the prandtl numbers $\\mathrm{pr} = 0.1$ and $0.2$ by considering three horizontal aspect ratios ($\\gamma$): $\\frac{1}{2}$, $1$ and $2$. in the absence of the magnetic field, the convection starts in the form of steady rolls including the one parallel to the $x$-axis. as the oblique horizontal magnetic field is switched on at an angle $\\phi \\in (0^\\circ, ~90^\\circ]$ with the $x$-axis, it is observed that the lorentz force generated by the component of the magnetic field transverse to the axis of the convection rolls inhibits convection in the form of steady rolls. thus, with the application of the magnetic field, the convection is suppressed and restarts for a higher rayleigh number in the form of steady convection rolls. the rolls can either be oriented along the $x$-axis (steady parallel rolls, spr) or oriented at an angle $45^\\circ$ (steady oblique rolls, sor$^+$) with the $x$-axis depending on the choices of the parameters. a rich bifurcation structure with standing and traveling patterns emerges at higher $r$. the oscillatory instability of steady rolls scales as \\( \\mathrm{q}^\\alpha \\) with distinct exponents for weak and strong magnetic fields. additionally, heat transfer decreases with increasing \\( \\phi \\) for given \\( \\mathrm{q} \\) and \\( \\mathrm{pr} \\)."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
harnessing natural and mechanical airflows for surface-based atmospheric pollutant removal|https://arxiv.org/abs/2503.11803|2025-03-18 00:00:00|c235f27ea0511dbae4deb1d1bbc9a6d9ae4ad10ba343363e689db5e1b8f9cefc

metadata:
{"title": "harnessing natural and mechanical airflows for surface-based atmospheric pollutant removal", "link": "https://arxiv.org/abs/2503.11803", "original_description": "arxiv:2503.11803v1 announce type: new abstract: removal strategies for atmospheric pollutants are increasingly being considered to mitigate global warming and improve public health. however, surface-based removal techniques, such as sorption, catalysis and filtration, are often limited by pollutant transport and removal rate constraints. we evaluate the atmospheric pollutant transport to surfaces and assess the potential of surface-based removal technologies for applications in airflow through cities, hvac systems and over vehicles. if these removal technologies are applied to their surfaces, cities, solar farms, hvac systems and filters can achieve atmospheric pollutant removal rates that exceed 1 gtco$_2$e annually (20-year gwp). cities have the highest atmospheric pollutant removal potential, with estimates averaging 30 gtco$_2$, 0.06 gtch$_4$, 0.0001 gtpm$_{2.5}$, 0.007 gtno$_\\text{x}$ annually. hvac filters can achieve atmospheric pollutant removal costs as low as \\$300 per tco$_2$e removed when sorption or catalyst technologies are incorporated into their fibre sheets, outperforming the \\$2000 per tco$_2$e removal cost when these technologies are applied to city surfaces. this estimate is based on the literature values for these technologies' costs per square meter. however, our calculations indicate that optimising catalyst properties and surface coverage could lower the cost estimates to below \\$100 per tco$_2$e across these applications. these findings demonstrate that integrating surface-based pollutant removal technologies into infrastructure may offer a scalable pathway to advance climate and health objectives.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11803v1 announce type: new abstract: removal strategies for atmospheric pollutants are increasingly being considered to mitigate global warming and improve public health. however, surface-based removal techniques, such as sorption, catalysis and filtration, are often limited by pollutant transport and removal rate constraints. we evaluate the atmospheric pollutant transport to surfaces and assess the potential of surface-based removal technologies for applications in airflow through cities, hvac systems and over vehicles. if these removal technologies are applied to their surfaces, cities, solar farms, hvac systems and filters can achieve atmospheric pollutant removal rates that exceed 1 gtco$_2$e annually (20-year gwp). cities have the highest atmospheric pollutant removal potential, with estimates averaging 30 gtco$_2$, 0.06 gtch$_4$, 0.0001 gtpm$_{2.5}$, 0.007 gtno$_\\text{x}$ annually. hvac filters can achieve atmospheric pollutant removal costs as low as \\$300 per tco$_2$e removed when sorption or catalyst technologies are incorporated into their fibre sheets, outperforming the \\$2000 per tco$_2$e removal cost when these technologies are applied to city surfaces. this estimate is based on the literature values for these technologies' costs per square meter. however, our calculations indicate that optimising catalyst properties and surface coverage could lower the cost estimates to below \\$100 per tco$_2$e across these applications. these findings demonstrate that integrating surface-based pollutant removal technologies into infrastructure may offer a scalable pathway to advance climate and health objectives."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
revisiting compressible and incompressible pressure-strain interaction in kinetic plasma turbulence|https://arxiv.org/abs/2503.11825|2025-03-18 00:00:00|9c9c98592bb831ff42070935395f4d1844827175e15ef7226a10fe01d34c682f

metadata:
{"title": "revisiting compressible and incompressible pressure-strain interaction in kinetic plasma turbulence", "link": "https://arxiv.org/abs/2503.11825", "original_description": "arxiv:2503.11825v1 announce type: new abstract: in this study, we revisit the pressure-strain interaction in kinetic turbulence, and in particular we re-examine the decomposition of pressure-strain interaction into compressive and incompressive parts. the pressure dilatation ingredient is clearly due to plasma compressions, but here using kinetic particle-in-cell (pic) simulations of plasma turbulence, it is demonstrated that the remaining anisotropic part, often called pi-d, also contains contributions due to compressive, non solenoidal velocities of the particle species. the compressive pi-d can play a significant role in systems with low plasma $\\beta$ even if the system starts with small density variations. the compressive ingredient of pi-d is found to be anticorrelated with both incompressive pi-d and pressure dilatation.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11825v1 announce type: new abstract: in this study, we revisit the pressure-strain interaction in kinetic turbulence, and in particular we re-examine the decomposition of pressure-strain interaction into compressive and incompressive parts. the pressure dilatation ingredient is clearly due to plasma compressions, but here using kinetic particle-in-cell (pic) simulations of plasma turbulence, it is demonstrated that the remaining anisotropic part, often called pi-d, also contains contributions due to compressive, non solenoidal velocities of the particle species. the compressive pi-d can play a significant role in systems with low plasma $\\beta$ even if the system starts with small density variations. the compressive ingredient of pi-d is found to be anticorrelated with both incompressive pi-d and pressure dilatation."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
investigation of pressure balance in proximity of sidewalls in deterministic lateral displacement|https://arxiv.org/abs/2503.11839|2025-03-18 00:00:00|85b56f10f86e17978e2c2a45c690fde9f1bc78619e76c70e6d9be991c4302545

metadata:
{"title": "investigation of pressure balance in proximity of sidewalls in deterministic lateral displacement", "link": "https://arxiv.org/abs/2503.11839", "original_description": "arxiv:2503.11839v1 announce type: new abstract: deterministic lateral displacement (dld) is a popular technique for size-based separation of particles. one of the challenges in design of dld chips is to eliminate the disturbance of fluid flow patterns caused by channel sidewalls intersecting with the pillars matrix. while there are numerous reports in the literature attempting to mitigate this issue by adjusting the gaps between pillars on the sidewalls and the closest ones residing on the bulk grid of dld array, there are only few works that also configure the axial gap of pillars adjacent to accumulation sidewall to maintain a desired local pressure field. in this work, we study various designs numerically to investigate the effects of geometrical configurations of sidewalls on critical diameter and first stream flux fraction variations across channel. our results show that regardless of the model used for boundary gap profile, applying a pressure balance scheme can improve the separation performance by reducing the critical diameter variations. in particular, we found that for a given boundary gap distribution, there can be two desired parameter sets with relatively low critical diameter variations. one is related to sufficiently low lateral resistance of interface unit cells next to accumulation sidewall, while the other one emerges by reducing the axial resistance of the interface unit cells to an appropriate extent. we believe that this work can pave the way for designing dld systems with improved performance, which can be critically important for applications such as separation of rare cells, among others, wherein target species need to be concentrated into as narrow a stream as possible downstream of device to enhance purity and recovery rate simultaneously.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11839v1 announce type: new abstract: deterministic lateral displacement (dld) is a popular technique for size-based separation of particles. one of the challenges in design of dld chips is to eliminate the disturbance of fluid flow patterns caused by channel sidewalls intersecting with the pillars matrix. while there are numerous reports in the literature attempting to mitigate this issue by adjusting the gaps between pillars on the sidewalls and the closest ones residing on the bulk grid of dld array, there are only few works that also configure the axial gap of pillars adjacent to accumulation sidewall to maintain a desired local pressure field. in this work, we study various designs numerically to investigate the effects of geometrical configurations of sidewalls on critical diameter and first stream flux fraction variations across channel. our results show that regardless of the model used for boundary gap profile, applying a pressure balance scheme can improve the separation performance by reducing the critical diameter variations. in particular, we found that for a given boundary gap distribution, there can be two desired parameter sets with relatively low critical diameter variations. one is related to sufficiently low lateral resistance of interface unit cells next to accumulation sidewall, while the other one emerges by reducing the axial resistance of the interface unit cells to an appropriate extent. we believe that this work can pave the way for designing dld systems with improved performance, which can be critically important for applications such as separation of rare cells, among others, wherein target species need to be concentrated into as narrow a stream as possible downstream of device to enhance purity and recovery rate simultaneously."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
high magnetic sensitivity at the coercive field induced by shear horizontal saw in polycrystalline fega films|https://arxiv.org/abs/2503.11844|2025-03-18 00:00:00|11ed5cf2690c0f736acad7ab75bcda253f014f1df9db5dc5c415fcd8fb99068b

metadata:
{"title": "high magnetic sensitivity at the coercive field induced by shear horizontal saw in polycrystalline fega films", "link": "https://arxiv.org/abs/2503.11844", "original_description": "arxiv:2503.11844v1 announce type: new abstract: a love wave device was designed to generate surface acoustic waves (saws) with strong shear-horizontal polarization, interacting with a polycrystalline fe72ga28 magnetostrictive layer. the shear strain induced by these waves at a frequency of approximately 160 mhz, coupled with magnetoelastic effects, leads to domain magnetization oscillation, resulting in unique responses that are particularly pronounced near the coercive field. experimental results reveal that the response of the sensor is highly sensitive to the angle between the applied magnetic field and the wave propagation direction, with profiles that can vary significantly depending on this angle, with some configurations resulting in practically opposite responses. a particularly relevant case arises when the magnetic field is aligned with the love wave propagation direction. in this case, the sensor response shows mainly a monotonic increase with the magnetic field, except near the coercive field, where a sharp peak emerges and then abruptly collapses, resulting in a magnetic sensitivity of 4.92 hz/nt. this high sensitivity near the coercive field opens the door to the development of high-performance sensors, simplifying electronics while leveraging the key advantages of saw technology, including low power consumption, compact size, real-time response, and portability. a theoretical model is also discussed to further understand the underlying phenomena and optimize the design of next-generation devices, which hold significant potential for sensor applications across various fields.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11844v1 announce type: new abstract: a love wave device was designed to generate surface acoustic waves (saws) with strong shear-horizontal polarization, interacting with a polycrystalline fe72ga28 magnetostrictive layer. the shear strain induced by these waves at a frequency of approximately 160 mhz, coupled with magnetoelastic effects, leads to domain magnetization oscillation, resulting in unique responses that are particularly pronounced near the coercive field. experimental results reveal that the response of the sensor is highly sensitive to the angle between the applied magnetic field and the wave propagation direction, with profiles that can vary significantly depending on this angle, with some configurations resulting in practically opposite responses. a particularly relevant case arises when the magnetic field is aligned with the love wave propagation direction. in this case, the sensor response shows mainly a monotonic increase with the magnetic field, except near the coercive field, where a sharp peak emerges and then abruptly collapses, resulting in a magnetic sensitivity of 4.92 hz/nt. this high sensitivity near the coercive field opens the door to the development of high-performance sensors, simplifying electronics while leveraging the key advantages of saw technology, including low power consumption, compact size, real-time response, and portability. a theoretical model is also discussed to further understand the underlying phenomena and optimize the design of next-generation devices, which hold significant potential for sensor applications across various fields."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
fast algorithm for calculating probability of chess winning streaks|https://arxiv.org/abs/2503.11669|2025-03-18 00:00:00|0db18b378163b1ddb8651ed93bf2d903225e6317cc6e79447b485310b4956d03

metadata:
{"title": "fast algorithm for calculating probability of chess winning streaks", "link": "https://arxiv.org/abs/2503.11669", "original_description": "arxiv:2503.11669v1 announce type: new abstract: motivated by the controversy in the chess community, where hikaru nakamura, a renowned grandmaster, has posted multiple impressive winning streaks over the years on the online platform chess.com, we derive the probabilities of various types of streaks in online chess and/or other sports. specifically, given the winning/drawing/losing probabilities of individual games, we derive the probabilities of \"pure\" winning streaks, non-losing streaks, and \"in-between\" streaks involving at most one draw over the course of games played in a period. the performance of the developed algorithms is examined through numerical studies.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11669v1 announce type: new abstract: motivated by the controversy in the chess community, where hikaru nakamura, a renowned grandmaster, has posted multiple impressive winning streaks over the years on the online platform chess.com, we derive the probabilities of various types of streaks in online chess and/or other sports. specifically, given the winning/drawing/losing probabilities of individual games, we derive the probabilities of \"pure\" winning streaks, non-losing streaks, and \"in-between\" streaks involving at most one draw over the course of games played in a period. the performance of the developed algorithms is examined through numerical studies."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
vanishing coefficient results in four families of infinite q-products|https://arxiv.org/abs/2503.11670|2025-03-18 00:00:00|325cb4fbfb72c953dfc07f12c3fe7c8b85bb6f6ba66270493f7fdabcc06209c8

metadata:
{"title": "vanishing coefficient results in four families of infinite q-products", "link": "https://arxiv.org/abs/2503.11670", "original_description": "arxiv:2503.11670v1 announce type: new abstract: in the recent past, the work in the area of vanishing coefficients of infinite $q$-products has been taken to the forefront. weaving the same thread as ramanujan, richmond, szekeres, andrews, alladi, gordon, mc laughlin, baruah, kaur, tang, we further prove vanishing coefficients in arithmetic progressions moduli 5, 7, 11, 13, 19, 21, 23 and 29 of the following four families of infinite products, where $\\{x_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$, $\\{y_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$, $\\{z_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$ and $\\{w_{a,b,sm,km,u,v}(n) \\}_{n\\geq n_0}$ are defined by \\begin{align*} \\sum_{n\\geq n_0}^{\\infty}x_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v, \\\\ \\sum_{n\\geq n_0}^{\\infty}y_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \\\\ \\sum_{n\\geq n_0}^{\\infty}z_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v,\\\\ \\sum_{n\\geq n_0}^{\\infty}w_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \\end{align*} here $a, b, s, k, u$ and $v$ are chosen in such a way that the infinite products in the right-hand side of the above are convergent and $n_0$ is an integer (possibly negative or zero) depending on $a, b, s, k, u$ and $v$. the proof uses the jacobi triple product identity and the properties of ramanujan general theta function.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11670v1 announce type: new abstract: in the recent past, the work in the area of vanishing coefficients of infinite $q$-products has been taken to the forefront. weaving the same thread as ramanujan, richmond, szekeres, andrews, alladi, gordon, mc laughlin, baruah, kaur, tang, we further prove vanishing coefficients in arithmetic progressions moduli 5, 7, 11, 13, 19, 21, 23 and 29 of the following four families of infinite products, where $\\{x_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$, $\\{y_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$, $\\{z_{a,b,sm,km,u,v}(n)\\}_{n\\geq n_0}$ and $\\{w_{a,b,sm,km,u,v}(n) \\}_{n\\geq n_0}$ are defined by \\begin{align*} \\sum_{n\\geq n_0}^{\\infty}x_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v, \\\\ \\sum_{n\\geq n_0}^{\\infty}y_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \\\\ \\sum_{n\\geq n_0}^{\\infty}z_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v,\\\\ \\sum_{n\\geq n_0}^{\\infty}w_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \\end{align*} here $a, b, s, k, u$ and $v$ are chosen in such a way that the infinite products in the right-hand side of the above are convergent and $n_0$ is an integer (possibly negative or zero) depending on $a, b, s, k, u$ and $v$. the proof uses the jacobi triple product identity and the properties of ramanujan general theta function."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
further generalization of ramanujan sums with regular a-functions|https://arxiv.org/abs/2503.11671|2025-03-18 00:00:00|f916b1a7e8fc3ba8f8925af13ab878eb5946f3ed129a039e545fec0f251453ad

metadata:
{"title": "further generalization of ramanujan sums with regular a-functions", "link": "https://arxiv.org/abs/2503.11671", "original_description": "arxiv:2503.11671v1 announce type: new abstract: in the study of ramanujan sums, the so-called regular a-function is a set-valued multiplicative function that tracks certain subsets of the divisor sets of natural numbers. mccarthy provided a generalization of the ramanujan sum using these regular a-function based arithmetic convolutions. recently, burnett and osterman extended this generalization to the semi-regular case. in this paper, we extend mccarthy's generalization in a different direction by considering two regular a-functions corresponding to both parameters in the ramanujan sum. this further generalization is motivated by the expansion of arithmetic functions based on arbitrary regular a-functions. fortunately, these sums exhibit several properties of ramanujan sums. we also generalize the greatest common divisor (gcd) function and the von sterneck formula. our introduction of two regular a-functions into these expressions enables us to explore a novel perspective on the connection between these expressions and the order relation between the two regular a-functions. in particular, we establish the necessary and sufficient conditions for orthogonality and dedekind-holder's identity (i.e., ramanujan sum = von sterneck function) to hold.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11671v1 announce type: new abstract: in the study of ramanujan sums, the so-called regular a-function is a set-valued multiplicative function that tracks certain subsets of the divisor sets of natural numbers. mccarthy provided a generalization of the ramanujan sum using these regular a-function based arithmetic convolutions. recently, burnett and osterman extended this generalization to the semi-regular case. in this paper, we extend mccarthy's generalization in a different direction by considering two regular a-functions corresponding to both parameters in the ramanujan sum. this further generalization is motivated by the expansion of arithmetic functions based on arbitrary regular a-functions. fortunately, these sums exhibit several properties of ramanujan sums. we also generalize the greatest common divisor (gcd) function and the von sterneck formula. our introduction of two regular a-functions into these expressions enables us to explore a novel perspective on the connection between these expressions and the order relation between the two regular a-functions. in particular, we establish the necessary and sufficient conditions for orthogonality and dedekind-holder's identity (i.e., ramanujan sum = von sterneck function) to hold."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the erd\"os-straus conjecture and pythagorean primes|https://arxiv.org/abs/2503.11672|2025-03-18 00:00:00|16abc6abd8aeb94f777dfccc5980cf6a28e52b4c69b826da7a2f8699bf33978a

metadata:
{"title": "the erd\\\"os-straus conjecture and pythagorean primes", "link": "https://arxiv.org/abs/2503.11672", "original_description": "arxiv:2503.11672v1 announce type: new abstract: the diophantine equation 4/n=1/x+1/y+1/z for a pythagorean prime n is split into two independent diophantine equations, which correspond to two different types of solution. the solvability of these equations forces certain restrictions on allowed pythagorean primes. empirical evidence suggests that these restrictions hold for all pythagorean primes, which i state as two independent conjectures. one can be formulated as follows: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4abb/d, where a, b, c are natural numbers and d is a divisor of ab. the second conjecture reads: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4ac, where a, b, c are natural numbers. i give a new straightforward plausibility for the latter conjecture (which has been formulated independently by other authors) and i outline a practicle and effective algorithm to determine a,b,c for a given p.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11672v1 announce type: new abstract: the diophantine equation 4/n=1/x+1/y+1/z for a pythagorean prime n is split into two independent diophantine equations, which correspond to two different types of solution. the solvability of these equations forces certain restrictions on allowed pythagorean primes. empirical evidence suggests that these restrictions hold for all pythagorean primes, which i state as two independent conjectures. one can be formulated as follows: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4abb/d, where a, b, c are natural numbers and d is a divisor of ab. the second conjecture reads: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4ac, where a, b, c are natural numbers. i give a new straightforward plausibility for the latter conjecture (which has been formulated independently by other authors) and i outline a practicle and effective algorithm to determine a,b,c for a given p."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the kolmogorov-smirnov statistic revisited|https://arxiv.org/abs/2503.11673|2025-03-18 00:00:00|5cfa86329bcc4813f6b7f8568ae6420975f71ac8d2282f5aaf91701c4c6c6aa4

metadata:
{"title": "the kolmogorov-smirnov statistic revisited", "link": "https://arxiv.org/abs/2503.11673", "original_description": "arxiv:2503.11673v1 announce type: new abstract: the kolmogorov-smirnov (ks) statistic is a classical nonparametric test widely used for comparing an empirical distribution function with a reference distribution or for comparing two empirical distributions. despite its broad applicability in statistical hypothesis testing and model validation, certain aspects of the ks statistic remain under-explored among the young generation, particularly under finite sample conditions. this paper revisits the ks statistic in both one-sample and two-sample scenarios, considering one-sided and two-sided variants. we derive exact probabilities for the supremum of the empirical process and present a unified treatment of the ks statistic under diverse settings. additionally, we explore the discrete nature of the hitting times of the normalized empirical process, providing practical insights into the computation of ks test p-values. the study also discusses the dvoretzky-kiefer-wolfowitz-massart (dkwm) inequality, highlighting its role in constructing confidence bands for distribution functions. using empirical process theory, we establish the limit distribution of the ks statistic when the true distribution includes unknown parameters. our findings extend existing results, offering improved methodologies for statistical analysis and hypothesis testing using the ks statistic, particularly in finite sample scenarios.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11673v1 announce type: new abstract: the kolmogorov-smirnov (ks) statistic is a classical nonparametric test widely used for comparing an empirical distribution function with a reference distribution or for comparing two empirical distributions. despite its broad applicability in statistical hypothesis testing and model validation, certain aspects of the ks statistic remain under-explored among the young generation, particularly under finite sample conditions. this paper revisits the ks statistic in both one-sample and two-sample scenarios, considering one-sided and two-sided variants. we derive exact probabilities for the supremum of the empirical process and present a unified treatment of the ks statistic under diverse settings. additionally, we explore the discrete nature of the hitting times of the normalized empirical process, providing practical insights into the computation of ks test p-values. the study also discusses the dvoretzky-kiefer-wolfowitz-massart (dkwm) inequality, highlighting its role in constructing confidence bands for distribution functions. using empirical process theory, we establish the limit distribution of the ks statistic when the true distribution includes unknown parameters. our findings extend existing results, offering improved methodologies for statistical analysis and hypothesis testing using the ks statistic, particularly in finite sample scenarios."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
dilute hitomezashi on the isometric grid|https://arxiv.org/abs/2503.11675|2025-03-18 00:00:00|11ea49621d5ab6c02adb18ae97d9a5c85f0ae04968175777f84a69b4aed53118

metadata:
{"title": "dilute hitomezashi on the isometric grid", "link": "https://arxiv.org/abs/2503.11675", "original_description": "arxiv:2503.11675v1 announce type: new abstract: this paper describes preliminary investigation of hitomezashi stitching designs created on the isometric grid. an imposed constraint is that only every second line of stitching in each of the possible three directions is present. each vertex visited by the stitching has degree two. motifs and wallpaper patterns with three- and six-fold rotational symmetry are illustrated, in particular designs featuring the von koch snowflake iterates.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11675v1 announce type: new abstract: this paper describes preliminary investigation of hitomezashi stitching designs created on the isometric grid. an imposed constraint is that only every second line of stitching in each of the possible three directions is present. each vertex visited by the stitching has degree two. motifs and wallpaper patterns with three- and six-fold rotational symmetry are illustrated, in particular designs featuring the von koch snowflake iterates."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
note on a theorem of birch and erd\h{o}s|https://arxiv.org/abs/2503.11676|2025-03-18 00:00:00|4fdf05286a94034c642d61320a13a90688b43ef94acc01a555ef7d89c893cd8e

metadata:
{"title": "note on a theorem of birch and erd\\h{o}s", "link": "https://arxiv.org/abs/2503.11676", "original_description": "arxiv:2503.11676v1 announce type: new abstract: let $p,q>1$ be two relatively prime integers and $\\mathbb{n}$ the set of nonnegative integers. erd\\h os conjectured and then birch proved that every sufficient large integer $n$ can be represented as a sum of distinct terms taken from $\\{p^{\\alpha}q^{\\beta}:\\alpha,\\beta\\in \\mathbb{n}\\}$. let $f(n)$ be the number of different expressions of $n$ as $n=\\sum p^{\\alpha}q^{\\beta}$. by this term, birch's result can be translated as $f(n)>1$ provided that $n$ is sufficiently large. in this note, for all sufficiently large number $n$ we prove $$ f(n)=2^{\\left(\\frac{1}{2}+o(1)\\right)\\frac{(\\log n)^2}{\\log p\\log q}}. $$", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11676v1 announce type: new abstract: let $p,q>1$ be two relatively prime integers and $\\mathbb{n}$ the set of nonnegative integers. erd\\h os conjectured and then birch proved that every sufficient large integer $n$ can be represented as a sum of distinct terms taken from $\\{p^{\\alpha}q^{\\beta}:\\alpha,\\beta\\in \\mathbb{n}\\}$. let $f(n)$ be the number of different expressions of $n$ as $n=\\sum p^{\\alpha}q^{\\beta}$. by this term, birch's result can be translated as $f(n)>1$ provided that $n$ is sufficiently large. in this note, for all sufficiently large number $n$ we prove $$ f(n)=2^{\\left(\\frac{1}{2}+o(1)\\right)\\frac{(\\log n)^2}{\\log p\\log q}}. $$"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a new approach to learn trigonometry|https://arxiv.org/abs/2503.11678|2025-03-18 00:00:00|06fada86bcfb77c9edee868eb59b98a1fc0a0aa4a56af351195b5c2339c8a144

metadata:
{"title": "a new approach to learn trigonometry", "link": "https://arxiv.org/abs/2503.11678", "original_description": "arxiv:2503.11678v1 announce type: new abstract: we introduce the primary gasing triangle, a right triangle with a hypotenuse of 1 unit, to define the primary trigonometric functions: sine and cosine. this triangle serves as the foundational element in a new approach to learning trigonometry, enabling us to derive the derived gasing triangle, where the other four trigonometric functions (tangent, secant, cotangent, and cosecant) are defined. using the primary gasing triangle, we derive key trigonometric formulas, provide several proofs of the pythagorean theorem using trigonometry, and solve various trigonometry problems. this approach makes learning trigonometry simpler, easier, and more intuitive.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11678v1 announce type: new abstract: we introduce the primary gasing triangle, a right triangle with a hypotenuse of 1 unit, to define the primary trigonometric functions: sine and cosine. this triangle serves as the foundational element in a new approach to learning trigonometry, enabling us to derive the derived gasing triangle, where the other four trigonometric functions (tangent, secant, cotangent, and cosecant) are defined. using the primary gasing triangle, we derive key trigonometric formulas, provide several proofs of the pythagorean theorem using trigonometry, and solve various trigonometry problems. this approach makes learning trigonometry simpler, easier, and more intuitive."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the folding mathematics|https://arxiv.org/abs/2503.11679|2025-03-18 00:00:00|edf70572f2d431816363b5616900efebbab033c795757f1c0a4981fe354d0250

metadata:
{"title": "the folding mathematics", "link": "https://arxiv.org/abs/2503.11679", "original_description": "arxiv:2503.11679v1 announce type: new abstract: origami is the art of paper folding, and it borrows its name from two japanese words \\emph{ori} and \\emph{kami}. in japanese, {ori} means folding, and the paper is called {kami}. while origami is just a hobby to most, there is a lot more to it. if you fold a square sheet of paper into any of the traditional origami model (for example the flapping bird) and unfold it, you can see crease patterns. these crease patterns tell us that there is a lot of geometry hidden behind the folds. in this article, we investigate the symbiotic relationship between mathematics and origami. the first part of this article explores the utility of origami in education. we will see how origami could become an effective way of teaching methods of geometry, mainly because of its experiential nature. complex origami patterns cannot be created out of thin air. they usually involve understanding deep mathematical theories and the ability to apply them to paper folding. in the second part of the article, we attempt to provide a glimpse of this beautiful connection between origami and mathematics.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11679v1 announce type: new abstract: origami is the art of paper folding, and it borrows its name from two japanese words \\emph{ori} and \\emph{kami}. in japanese, {ori} means folding, and the paper is called {kami}. while origami is just a hobby to most, there is a lot more to it. if you fold a square sheet of paper into any of the traditional origami model (for example the flapping bird) and unfold it, you can see crease patterns. these crease patterns tell us that there is a lot of geometry hidden behind the folds. in this article, we investigate the symbiotic relationship between mathematics and origami. the first part of this article explores the utility of origami in education. we will see how origami could become an effective way of teaching methods of geometry, mainly because of its experiential nature. complex origami patterns cannot be created out of thin air. they usually involve understanding deep mathematical theories and the ability to apply them to paper folding. in the second part of the article, we attempt to provide a glimpse of this beautiful connection between origami and mathematics."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
advancements in fractional neural operators with adaptive hybrid kernels in multiscale sobolev spaces|https://arxiv.org/abs/2503.11680|2025-03-18 00:00:00|fcf0a238ac7402a9091d48fa8d6d7c3633fd694a02710d6be0b2139aee555744

metadata:
{"title": "advancements in fractional neural operators with adaptive hybrid kernels in multiscale sobolev spaces", "link": "https://arxiv.org/abs/2503.11680", "original_description": "arxiv:2503.11680v1 announce type: new abstract: this paper introduces significant advancements in fractional neural operators (fnos) through the integration of adaptive hybrid kernels and stochastic multiscale analysis. we address several open problems in the existing literature by establishing four foundational theorems. first, we achieve exact bias-variance separation for riemann-liouville operators using fractional prokhorov metrics, providing a robust framework for handling non-local dependencies in differential equations. second, we demonstrate l\\'evy-regularized hadamard stability with sharp convergence rates in besov-morrey spaces, enhancing fno stability under heavy-tailed noise processes. third, we overcome the curse of dimensionality in multivariate settings by achieving tensorized rl-caputo convergence in rdrd with anisotropic h\\\"older regularity. finally, we develop a quantum-inspired fractional gradient descent algorithm that significantly improves convergence rates in practical applications. our proofs employ advanced techniques such as multiphase homogenization, malliavin-skorokhod calculus, and nonlocal divergence theorems, ensuring mathematical rigor and robustness. the practical implications of our work are demonstrated through applications in fusion plasma turbulence, where our methods yield a 70\\% improvement over state-of-the-art fnos. this enhancement is particularly notable in modeling the multifractal {\\delta}b{\\delta}b fields in iter tokamak data, where the anisotropic penalty corresponds to enstrophy cascade rates in hasegawa-wakatani models, showcasing its versatility and potential for broader application.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11680v1 announce type: new abstract: this paper introduces significant advancements in fractional neural operators (fnos) through the integration of adaptive hybrid kernels and stochastic multiscale analysis. we address several open problems in the existing literature by establishing four foundational theorems. first, we achieve exact bias-variance separation for riemann-liouville operators using fractional prokhorov metrics, providing a robust framework for handling non-local dependencies in differential equations. second, we demonstrate l\\'evy-regularized hadamard stability with sharp convergence rates in besov-morrey spaces, enhancing fno stability under heavy-tailed noise processes. third, we overcome the curse of dimensionality in multivariate settings by achieving tensorized rl-caputo convergence in rdrd with anisotropic h\\\"older regularity. finally, we develop a quantum-inspired fractional gradient descent algorithm that significantly improves convergence rates in practical applications. our proofs employ advanced techniques such as multiphase homogenization, malliavin-skorokhod calculus, and nonlocal divergence theorems, ensuring mathematical rigor and robustness. the practical implications of our work are demonstrated through applications in fusion plasma turbulence, where our methods yield a 70\\% improvement over state-of-the-art fnos. this enhancement is particularly notable in modeling the multifractal {\\delta}b{\\delta}b fields in iter tokamak data, where the anisotropic penalty corresponds to enstrophy cascade rates in hasegawa-wakatani models, showcasing its versatility and potential for broader application."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
insights into the long-term behavior of the optical polarization from the blazar 1es 1959+650|https://arxiv.org/abs/2503.10651|2025-03-18 00:00:00|2cf7b2f8b0b93e832a0e118c25c15b1feb3a9f788151bd9974ba9c5f0abccdcf

metadata:
{"title": "insights into the long-term behavior of the optical polarization from the blazar 1es 1959+650", "link": "https://arxiv.org/abs/2503.10651", "original_description": "arxiv:2503.10651v1 announce type: new abstract: a high degree of linear polarization measured in the optical emission is an important observational feature of blazars. it provides strong evidence of the presence of relativistic particles and magnetic field ordering in the non-thermal emission regions of blazars owing to the synchrotron nature of low energy radiation. thus, the polarization studies of blazars are emerging as a promising approach to probe the particle acceleration and the physical processes involved in their broadband emission. in this work, we investigate the behavior of the optical polarization of the blazar 1es 1959+650 measured over a decade using the spectropolarimetry (spol) at the steward observatory. we use measurements of the degree of linear polarization and angle of polarization in the wavelength range 500 - 700 nm available during the period october 1, 2008 and june 30, 2018 (mjd 54739 - 58299) from the spol observations. near simultaneous photometry data in the r and v bands are also used to study the optical emission from the source. the maximum degree of linear polarization, measured as $\\sim$ 8.5$\\%$, is significantly larger than the long term average value of $\\sim$ 4.6$\\%$. analysis of the light curves indicates that the optical emission from the blazar 1es 1959+650 is highly variable and variability in the degree of linear polarization can be quantified by a fractional variability amplitude of $\\sim$ 39$\\%$ over the period of about ten years. long term optical emission in the r and v bands is very weakly anti-correlated with the degree of linear polarization. modelling of the polarization due to the synchrotron emission suggests that the observed degree of linear polarization can be broadly reproduced by a power law distribution of relativistic electrons gyrating in a spherical emission region permeated with chaotic and ordered magnetic fields.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10651v1 announce type: new abstract: a high degree of linear polarization measured in the optical emission is an important observational feature of blazars. it provides strong evidence of the presence of relativistic particles and magnetic field ordering in the non-thermal emission regions of blazars owing to the synchrotron nature of low energy radiation. thus, the polarization studies of blazars are emerging as a promising approach to probe the particle acceleration and the physical processes involved in their broadband emission. in this work, we investigate the behavior of the optical polarization of the blazar 1es 1959+650 measured over a decade using the spectropolarimetry (spol) at the steward observatory. we use measurements of the degree of linear polarization and angle of polarization in the wavelength range 500 - 700 nm available during the period october 1, 2008 and june 30, 2018 (mjd 54739 - 58299) from the spol observations. near simultaneous photometry data in the r and v bands are also used to study the optical emission from the source. the maximum degree of linear polarization, measured as $\\sim$ 8.5$\\%$, is significantly larger than the long term average value of $\\sim$ 4.6$\\%$. analysis of the light curves indicates that the optical emission from the blazar 1es 1959+650 is highly variable and variability in the degree of linear polarization can be quantified by a fractional variability amplitude of $\\sim$ 39$\\%$ over the period of about ten years. long term optical emission in the r and v bands is very weakly anti-correlated with the degree of linear polarization. modelling of the polarization due to the synchrotron emission suggests that the observed degree of linear polarization can be broadly reproduced by a power law distribution of relativistic electrons gyrating in a spherical emission region permeated with chaotic and ordered magnetic fields."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
bridging machine learning and cosmological simulations: using neural operators to emulate chemical evolution|https://arxiv.org/abs/2503.10736|2025-03-18 00:00:00|4163413a0e96907e3ede0eaad12ffa20b9638f1fba2e5c406d73a778e39d87ad

metadata:
{"title": "bridging machine learning and cosmological simulations: using neural operators to emulate chemical evolution", "link": "https://arxiv.org/abs/2503.10736", "original_description": "arxiv:2503.10736v1 announce type: new abstract: the computational expense of solving non-equilibrium chemistry equations in astrophysical simulations poses a significant challenge, particularly in high-resolution, large-scale cosmological models. in this work, we explore the potential of machine learning, specifically neural operators, to emulate the grackle chemistry solver, which is widely used in cosmological hydrodynamical simulations. neural operators offer a mesh-free, data-driven approach to approximate solutions to coupled ordinary differential equations governing chemical evolution, gas cooling, and heating. we construct and train multiple neural operator architectures (deeponet variants) using a dataset derived from cosmological simulations to optimize accuracy and efficiency. our results demonstrate that the trained models accurately reproduce grackle's outputs with an average error of less than 0.6 dex in most cases, though deviations increase in highly dynamic chemical environments. compared to grackle, the machine learning models provide computational speedups of up to a factor of six in large-scale simulations, highlighting their potential for reducing computational bottlenecks in astrophysical modeling. however, challenges remain, particularly in iterative applications where accumulated errors can lead to numerical instability. additionally, the performance of these machine learning models is constrained by their need for well-represented training datasets and the limited extrapolation capabilities of deep learning methods. while promising, further development is required for neural operator-based emulators to be fully integrated into astrophysical simulations. future work should focus on improving stability over iterative timesteps and optimizing implementations for hardware acceleration. this study provides an initial step toward the broader adoption of machine learning approaches in astrophysical chemistry solvers.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10736v1 announce type: new abstract: the computational expense of solving non-equilibrium chemistry equations in astrophysical simulations poses a significant challenge, particularly in high-resolution, large-scale cosmological models. in this work, we explore the potential of machine learning, specifically neural operators, to emulate the grackle chemistry solver, which is widely used in cosmological hydrodynamical simulations. neural operators offer a mesh-free, data-driven approach to approximate solutions to coupled ordinary differential equations governing chemical evolution, gas cooling, and heating. we construct and train multiple neural operator architectures (deeponet variants) using a dataset derived from cosmological simulations to optimize accuracy and efficiency. our results demonstrate that the trained models accurately reproduce grackle's outputs with an average error of less than 0.6 dex in most cases, though deviations increase in highly dynamic chemical environments. compared to grackle, the machine learning models provide computational speedups of up to a factor of six in large-scale simulations, highlighting their potential for reducing computational bottlenecks in astrophysical modeling. however, challenges remain, particularly in iterative applications where accumulated errors can lead to numerical instability. additionally, the performance of these machine learning models is constrained by their need for well-represented training datasets and the limited extrapolation capabilities of deep learning methods. while promising, further development is required for neural operator-based emulators to be fully integrated into astrophysical simulations. future work should focus on improving stability over iterative timesteps and optimizing implementations for hardware acceleration. this study provides an initial step toward the broader adoption of machine learning approaches in astrophysical chemistry solvers."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
rapid far-infrared spectral timing of x-ray binaries with prima|https://arxiv.org/abs/2503.10739|2025-03-18 00:00:00|89b10f5558f7a98d89bf2ef4fd7dc8494ad842311bde6168837faee65137589f

metadata:
{"title": "rapid far-infrared spectral timing of x-ray binaries with prima", "link": "https://arxiv.org/abs/2503.10739", "original_description": "arxiv:2503.10739v1 announce type: new abstract: the most powerful cosmic engines in our universe are fueled by compact objects. these objects accrete large amounts of material and eject matter in the form of jets. recent groundbreaking discoveries of gravitational waves from merging compact objects and the direct imaging of the black hole shadows with the event horizon telescope represent major steps forward in our understanding of such systems. however, there exists a large population of stellar-mass compact objects in our own galaxy, present in x-ray binaries (xrbs), which provide better laboratories with which to study the processes of accretion and ejection. xrbs produce highly variable emissions on timescales ranging from milliseconds (for light-travel time in the region close to the compact object) to weeks (governing the mass-inflow process). therefore, high-time resolution observations can be a powerful tool to study these systems. however, as xrbs emit across the electromagnetic spectrum, a suite of facilities is needed to take full advantage of these techniques. the prima observatory (probe far-infrared mission for astrophysics) will provide unique access to a wavelength range that has not been sampled in xrbs, representing an exciting new possibility for characterizing rapid time-domain phenomena of xrbs (and potentially other transient sources) in the far-infrared regime.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10739v1 announce type: new abstract: the most powerful cosmic engines in our universe are fueled by compact objects. these objects accrete large amounts of material and eject matter in the form of jets. recent groundbreaking discoveries of gravitational waves from merging compact objects and the direct imaging of the black hole shadows with the event horizon telescope represent major steps forward in our understanding of such systems. however, there exists a large population of stellar-mass compact objects in our own galaxy, present in x-ray binaries (xrbs), which provide better laboratories with which to study the processes of accretion and ejection. xrbs produce highly variable emissions on timescales ranging from milliseconds (for light-travel time in the region close to the compact object) to weeks (governing the mass-inflow process). therefore, high-time resolution observations can be a powerful tool to study these systems. however, as xrbs emit across the electromagnetic spectrum, a suite of facilities is needed to take full advantage of these techniques. the prima observatory (probe far-infrared mission for astrophysics) will provide unique access to a wavelength range that has not been sampled in xrbs, representing an exciting new possibility for characterizing rapid time-domain phenomena of xrbs (and potentially other transient sources) in the far-infrared regime."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
l\'evy flights and leaky boxes: anomalous diffusion of cosmic rays|https://arxiv.org/abs/2503.10747|2025-03-18 00:00:00|e956cad3d31a52736a50b6f656330d737c099cccbae06f518626fa3b5136bddf

metadata:
{"title": "l\\'evy flights and leaky boxes: anomalous diffusion of cosmic rays", "link": "https://arxiv.org/abs/2503.10747", "original_description": "arxiv:2503.10747v1 announce type: new abstract: in classical diffusion, particle step-sizes have a gaussian distribution. however, in superdiffusion, they have power-law tails, with transport dominated by rare, long l\\'evy flights. similarly, if the time interval between scattering events has power-law tails, subdiffusion occurs. both forms of anomalous diffusion are seen in cosmic ray (cr) particle tracking simulations in turbulent magnetic fields. they also likely occur if crs are scattered by discrete intermittent structures. anomalous diffusion mimics a scale-dependent diffusion coefficient, with potentially wide-ranging consequences. however, the finite size of galaxies implies an upper bound on step-sizes before crs escape. this truncation results in eventual convergence to gaussian statistics by the central limit theorem. using monte-carlo simulations, we show that this occurs in both standard finite-thickness halo models, or when cr diffusion transitions to advection or streaming-dominated regimes. while optically thick intermittent structures produce power-law trapping times and thus subdiffusion, gaussianization also eventually occurs on timescales longer than the maximum trapping time. anomalous diffusion is a transient, and converges to standard diffusion on the (usually short) timescale of particle escape, either from confining structures (subdiffusion), or the system as a whole (superdiffusion). thus, standard assumptions of classical diffusion are physically justified in most applications, despite growing simulation evidence for anomalous diffusion. however, if escape times are long, this is no longer true. for instance, anomalous diffusion in the cgm or icm would change cr pressure profiles. finally, we show the standard diagnostic for anomalous diffusion, $\\langle d^2 \\rangle \\propto t^{\\alpha}$ with $\\alpha \\neq 1$, is not justified for truncated l\\'evy flights, and propose an alternative robust measure.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10747v1 announce type: new abstract: in classical diffusion, particle step-sizes have a gaussian distribution. however, in superdiffusion, they have power-law tails, with transport dominated by rare, long l\\'evy flights. similarly, if the time interval between scattering events has power-law tails, subdiffusion occurs. both forms of anomalous diffusion are seen in cosmic ray (cr) particle tracking simulations in turbulent magnetic fields. they also likely occur if crs are scattered by discrete intermittent structures. anomalous diffusion mimics a scale-dependent diffusion coefficient, with potentially wide-ranging consequences. however, the finite size of galaxies implies an upper bound on step-sizes before crs escape. this truncation results in eventual convergence to gaussian statistics by the central limit theorem. using monte-carlo simulations, we show that this occurs in both standard finite-thickness halo models, or when cr diffusion transitions to advection or streaming-dominated regimes. while optically thick intermittent structures produce power-law trapping times and thus subdiffusion, gaussianization also eventually occurs on timescales longer than the maximum trapping time. anomalous diffusion is a transient, and converges to standard diffusion on the (usually short) timescale of particle escape, either from confining structures (subdiffusion), or the system as a whole (superdiffusion). thus, standard assumptions of classical diffusion are physically justified in most applications, despite growing simulation evidence for anomalous diffusion. however, if escape times are long, this is no longer true. for instance, anomalous diffusion in the cgm or icm would change cr pressure profiles. finally, we show the standard diagnostic for anomalous diffusion, $\\langle d^2 \\rangle \\propto t^{\\alpha}$ with $\\alpha \\neq 1$, is not justified for truncated l\\'evy flights, and propose an alternative robust measure."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
sidm concerto: compilation and data release of self-interacting dark matter zoom-in simulations|https://arxiv.org/abs/2503.10748|2025-03-18 00:00:00|801d927c0325ab5289a5d2e9c3444fa0e11b6e40df96246c2c75ec38ccf6578d

metadata:
{"title": "sidm concerto: compilation and data release of self-interacting dark matter zoom-in simulations", "link": "https://arxiv.org/abs/2503.10748", "original_description": "arxiv:2503.10748v1 announce type: new abstract: we present sidm concerto: $14$ cosmological zoom-in simulations in cold dark matter (cdm) and self-interacting dark matter (sidm) models based on the symphony and milky way-est suites. sidm concerto includes one large magellanic cloud (lmc)-mass system (host mass $\\sim 10^{11}~m_{\\mathrm{\\odot}}$), two milky way (mw) analogs ($\\sim 10^{12}~m_{\\mathrm{\\odot}}$), two group-mass hosts ($\\sim 10^{13}~m_{\\mathrm{\\odot}}$), and one low-mass cluster ($\\sim 10^{14}~m_{\\mathrm{\\odot}}$). each host contains $\\approx 2\\times 10^7$ particles and is run in cdm and one or more strong, velocity-dependent sidm models. our analysis of sidm (sub)halo populations over seven subhalo mass decades reveals that: (i) the fraction of core-collapsed isolated halos and subhalos peaks at a maximum circular velocity corresponding to the transition of the sidm cross section from a $v^{-4}$ to $v^0$ scaling; (ii) sidm subhalo mass functions are suppressed by $\\approx 50\\%$ relative to cdm in lmc, mw, and group-mass hosts but are consistent with cdm in the low-mass cluster host; (iii) subhalos' inner density profile slopes, which are more diverse in sidm than in cdm, are sensitive to both the amplitude and shape of the sidm cross section. our simulations provide a benchmark for testing sidm predictions with astrophysical observations of field and satellite galaxies, strong lensing systems, and stellar streams. data products are publicly available at https://doi.org/10.5281/zenodo.14933624.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10748v1 announce type: new abstract: we present sidm concerto: $14$ cosmological zoom-in simulations in cold dark matter (cdm) and self-interacting dark matter (sidm) models based on the symphony and milky way-est suites. sidm concerto includes one large magellanic cloud (lmc)-mass system (host mass $\\sim 10^{11}~m_{\\mathrm{\\odot}}$), two milky way (mw) analogs ($\\sim 10^{12}~m_{\\mathrm{\\odot}}$), two group-mass hosts ($\\sim 10^{13}~m_{\\mathrm{\\odot}}$), and one low-mass cluster ($\\sim 10^{14}~m_{\\mathrm{\\odot}}$). each host contains $\\approx 2\\times 10^7$ particles and is run in cdm and one or more strong, velocity-dependent sidm models. our analysis of sidm (sub)halo populations over seven subhalo mass decades reveals that: (i) the fraction of core-collapsed isolated halos and subhalos peaks at a maximum circular velocity corresponding to the transition of the sidm cross section from a $v^{-4}$ to $v^0$ scaling; (ii) sidm subhalo mass functions are suppressed by $\\approx 50\\%$ relative to cdm in lmc, mw, and group-mass hosts but are consistent with cdm in the low-mass cluster host; (iii) subhalos' inner density profile slopes, which are more diverse in sidm than in cdm, are sensitive to both the amplitude and shape of the sidm cross section. our simulations provide a benchmark for testing sidm predictions with astrophysical observations of field and satellite galaxies, strong lensing systems, and stellar streams. data products are publicly available at https://doi.org/10.5281/zenodo.14933624."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
tentative rotation in a galaxy at z$\sim$14 with alma|https://arxiv.org/abs/2503.10751|2025-03-18 00:00:00|8536db5ea24f250a82539b2e974ee09716c20ca352a5cc9e7bcae389adab61a1

metadata:
{"title": "tentative rotation in a galaxy at z$\\sim$14 with alma", "link": "https://arxiv.org/abs/2503.10751", "original_description": "arxiv:2503.10751v2 announce type: new abstract: we re-analysed alma observations of the [oiii]$\\lambda$88$\\mu$m emission line in jades-gs-z14.0, so far the most distant spectroscopically confirmed galaxy at z=14.18. our analysis shows a tentative detection of a velocity gradient of [oiii]$\\lambda$88$\\mu$m using three independent tests: 1) construction of moment maps; 2) extraction of integrated spectra from a grid of apertures; and 3) spectro-astrometry in both the image and uv planes. we performed kinematical fitting using the kinms code and estimated a dynamical mass of log$_{10}$(m$_{\\rm dyn}$/$\\rm m_\\odot$)= 9.4$^{+0.8}_{-0.4}$, with the bulk of the uncertainties due to the degeneracy between dynamical mass and inclination. we measure an upper limit on the velocity dispersion ($\\sigma_{v}$) of $$ 2.5. this result, if confirmed with higher-resolution observations, would imply that kinematically cold discs are already in place at $z\\sim14$. comparison with mock observations from the serra cosmological simulations confirms that even low-resolution observations are capable of detecting a velocity gradient in $z>10$ galaxies as compact as jades-gs-z14.0. this work shows that deeper alma or jwst/nirspec ifs observations with high spatial resolution will be able to estimate an accurate dynamical mass for jades-gs-z14.0, providing an upper limit to the stellar mass of this over-luminous galaxy.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10751v2 announce type: new abstract: we re-analysed alma observations of the [oiii]$\\lambda$88$\\mu$m emission line in jades-gs-z14.0, so far the most distant spectroscopically confirmed galaxy at z=14.18. our analysis shows a tentative detection of a velocity gradient of [oiii]$\\lambda$88$\\mu$m using three independent tests: 1) construction of moment maps; 2) extraction of integrated spectra from a grid of apertures; and 3) spectro-astrometry in both the image and uv planes. we performed kinematical fitting using the kinms code and estimated a dynamical mass of log$_{10}$(m$_{\\rm dyn}$/$\\rm m_\\odot$)= 9.4$^{+0.8}_{-0.4}$, with the bulk of the uncertainties due to the degeneracy between dynamical mass and inclination. we measure an upper limit on the velocity dispersion ($\\sigma_{v}$) of $$ 2.5. this result, if confirmed with higher-resolution observations, would imply that kinematically cold discs are already in place at $z\\sim14$. comparison with mock observations from the serra cosmological simulations confirms that even low-resolution observations are capable of detecting a velocity gradient in $z>10$ galaxies as compact as jades-gs-z14.0. this work shows that deeper alma or jwst/nirspec ifs observations with high spatial resolution will be able to estimate an accurate dynamical mass for jades-gs-z14.0, providing an upper limit to the stellar mass of this over-luminous galaxy."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
parallel collisionless shocks in strongly magnetized electron-ion plasma. i. temperature anisotropies|https://arxiv.org/abs/2503.10758|2025-03-18 00:00:00|154869ac2f0cbae54b777644e093b0070726baa38151877a565401f7d3187ec9

metadata:
{"title": "parallel collisionless shocks in strongly magnetized electron-ion plasma. i. temperature anisotropies", "link": "https://arxiv.org/abs/2503.10758", "original_description": "arxiv:2503.10758v1 announce type: new abstract: collisionless electron-ion shocks are fundamental to astrophysical plasmas, yet their behavior in strong magnetic fields remains poorly understood. using particle-in-cell (pic) simulations with the sharp-1d3v code, we investigate the role of the ion magnetization parameter $\\sigma_i$ in parallel shock transitions. strongly magnetized converging flows ($\\sigma_i > 1$) exhibit lower density compression ratios ($r \\sim 2$), smaller entropy jumps, and suppressed particle acceleration, while maintaining pressure anisotropy stability due to conserved perpendicular temperatures across the shock, alongside increased parallel temperatures. in contrast, weakly magnetized shocks drive downstream mirror and firehose instabilities due to ion temperature anisotropy, which are suppressed in strongly magnetized cases. additionally, weakly magnetized shocks exhibit the onset of a supra-thermal population induced by shock-drift acceleration, with most of the upstream kinetic energy thermalized for both electrons and ions in the downstream region. our results demonstrate that perpendicular temperatures for both species are conserved in strongly magnetized cases and highlight deviations from standard ideal magnetohydrodynamic (mhd) behavior. these findings provide critical insights into the role of magnetic fields in parallel collisionless astrophysical shocks.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10758v1 announce type: new abstract: collisionless electron-ion shocks are fundamental to astrophysical plasmas, yet their behavior in strong magnetic fields remains poorly understood. using particle-in-cell (pic) simulations with the sharp-1d3v code, we investigate the role of the ion magnetization parameter $\\sigma_i$ in parallel shock transitions. strongly magnetized converging flows ($\\sigma_i > 1$) exhibit lower density compression ratios ($r \\sim 2$), smaller entropy jumps, and suppressed particle acceleration, while maintaining pressure anisotropy stability due to conserved perpendicular temperatures across the shock, alongside increased parallel temperatures. in contrast, weakly magnetized shocks drive downstream mirror and firehose instabilities due to ion temperature anisotropy, which are suppressed in strongly magnetized cases. additionally, weakly magnetized shocks exhibit the onset of a supra-thermal population induced by shock-drift acceleration, with most of the upstream kinetic energy thermalized for both electrons and ions in the downstream region. our results demonstrate that perpendicular temperatures for both species are conserved in strongly magnetized cases and highlight deviations from standard ideal magnetohydrodynamic (mhd) behavior. these findings provide critical insights into the role of magnetic fields in parallel collisionless astrophysical shocks."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
nearly a decade of groundbreaking speckle interferometry at the international gemini observatory|https://arxiv.org/abs/2503.10765|2025-03-18 00:00:00|80e7d339d6264e9b73f7b759ad3449929f754021ea61a1fca91713ea7b8209c6

metadata:
{"title": "nearly a decade of groundbreaking speckle interferometry at the international gemini observatory", "link": "https://arxiv.org/abs/2503.10765", "original_description": "arxiv:2503.10765v1 announce type: new abstract: since its inception, speckle interferometry has revolutionized high-resolution astronomical imaging, overcoming atmospheric challenges to achieve the diffraction limits of telescopes. almost a decade ago, in 2018, a pair of speckle cameras -- 'alopeke and zorro -- were installed at the twin 8.1-meter gemini north and south telescopes, two of the largest apertures in the world, in hawai'i and chile. equipped with dual blue and red channels, 'alopeke and zorro deliver high-resolution imaging across optical bandpasses from 350 to 1000 nm, which has led to crucial discoveries in both stellar multiplicity and exoplanetary science. furthermore, the broad and nonrestrictive access to these instruments, given by each gemini observatory partner and via the us noirlab open skies policy, has allowed our community to expand the applications of the instruments, supporting a wide range of scientific investigations from solar system bodies, to morphological studies of stellar remnants, to evolved stars, to transient phenomena. this paper reviews the instrument technology and observational capabilities, and highlights key scientific contributions and discoveries of 'alopeke and zorro, emphasizing the enduring importance of speckle interferometry in advancing modern observational astronomy and expanding the frontiers of astronomical research.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10765v1 announce type: new abstract: since its inception, speckle interferometry has revolutionized high-resolution astronomical imaging, overcoming atmospheric challenges to achieve the diffraction limits of telescopes. almost a decade ago, in 2018, a pair of speckle cameras -- 'alopeke and zorro -- were installed at the twin 8.1-meter gemini north and south telescopes, two of the largest apertures in the world, in hawai'i and chile. equipped with dual blue and red channels, 'alopeke and zorro deliver high-resolution imaging across optical bandpasses from 350 to 1000 nm, which has led to crucial discoveries in both stellar multiplicity and exoplanetary science. furthermore, the broad and nonrestrictive access to these instruments, given by each gemini observatory partner and via the us noirlab open skies policy, has allowed our community to expand the applications of the instruments, supporting a wide range of scientific investigations from solar system bodies, to morphological studies of stellar remnants, to evolved stars, to transient phenomena. this paper reviews the instrument technology and observational capabilities, and highlights key scientific contributions and discoveries of 'alopeke and zorro, emphasizing the enduring importance of speckle interferometry in advancing modern observational astronomy and expanding the frontiers of astronomical research."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
bloodhound unleashed: particle-based substructure tracking for cosmological simulations|https://arxiv.org/abs/2503.10766|2025-03-18 00:00:00|d48363f59bc4d4a3b35a6b98d2ea076aa019840fe5d550a6f15393f33ffc2244

metadata:
{"title": "bloodhound unleashed: particle-based substructure tracking for cosmological simulations", "link": "https://arxiv.org/abs/2503.10766", "original_description": "arxiv:2503.10766v1 announce type: new abstract: modern studies of galaxy formation rely heavily on numerical simulations, which in turn require tools to identify and track self-bound structures in stars and dark matter. in this paper, we present bloodhound, a new halo tracking algorithm optimized to track and characterize substructure in cosmological simulations, a regime that is crucial for studies of the nature of dark matter but where standard methods often have difficulties. using simulations of milky way-mass haloes, we demonstrate that bloodhound extends subhalo tracking by $3-4\\, \\mathrm{gyr}$ on average, and significantly longer for subhaloes with small pericentres, relative to the widely used rockstar $+$ consistent-trees halo tracking pipeline. we also show that bloodhound provides continuous tracking, mitigating an issue for the standard technique where subhaloes can be lost and then found again -- but assigned to a new merger tree -- after several snapshots. this improved tracking leads to a substantially larger number of surviving subhaloes in the inner regions of dark matter haloes, which has several implications for studies of the milky way's satellite galaxy system and its use for constraining properties of dark matter. for example, within the radius where current surveys are complete to ultra-faint galaxies ($d_{\\rm mw} \\lesssim 50$ kpc), bloodhound finds more than twice as many subhaloes above the atomic cooling scale relative to the standard tracking method. our results underscore the importance of robust subhalo tracking techniques in advancing our understanding of galaxy formation and cosmological models.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10766v1 announce type: new abstract: modern studies of galaxy formation rely heavily on numerical simulations, which in turn require tools to identify and track self-bound structures in stars and dark matter. in this paper, we present bloodhound, a new halo tracking algorithm optimized to track and characterize substructure in cosmological simulations, a regime that is crucial for studies of the nature of dark matter but where standard methods often have difficulties. using simulations of milky way-mass haloes, we demonstrate that bloodhound extends subhalo tracking by $3-4\\, \\mathrm{gyr}$ on average, and significantly longer for subhaloes with small pericentres, relative to the widely used rockstar $+$ consistent-trees halo tracking pipeline. we also show that bloodhound provides continuous tracking, mitigating an issue for the standard technique where subhaloes can be lost and then found again -- but assigned to a new merger tree -- after several snapshots. this improved tracking leads to a substantially larger number of surviving subhaloes in the inner regions of dark matter haloes, which has several implications for studies of the milky way's satellite galaxy system and its use for constraining properties of dark matter. for example, within the radius where current surveys are complete to ultra-faint galaxies ($d_{\\rm mw} \\lesssim 50$ kpc), bloodhound finds more than twice as many subhaloes above the atomic cooling scale relative to the standard tracking method. our results underscore the importance of robust subhalo tracking techniques in advancing our understanding of galaxy formation and cosmological models."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
cosmic reionization on computers: statistical properties of the distributions of mean opacities|https://arxiv.org/abs/2503.10768|2025-03-18 00:00:00|985b36aa617a737447bdcda30a09efb8caa085a4e5d8c9e15af5d40a42399836

metadata:
{"title": "cosmic reionization on computers: statistical properties of the distributions of mean opacities", "link": "https://arxiv.org/abs/2503.10768", "original_description": "arxiv:2503.10768v1 announce type: new abstract: quasar absorption lines provide a unique window to the relationship between galaxies and the intergalactic medium during the epoch of reionization. in particular, high redshift quasars enable measurements of the neutral hydrogen content of the universe. however, the limited sample size of observed quasar spectra, particularly at the highest redshifts, hampers our ability to fully characterize the intergalactic medium during this epoch from observations alone. in this work, we characterize the distributions of mean opacities of the intergalactic medium in simulations from the cosmic reionization on computers (croc) project. we find that the distribution of mean opacities along sightlines follows a non-trivial distribution that cannot be easily approximated by a known distribution. when comparing the cumulative distribution function of mean opacities measurements in subsamples of sample sizes similar to observational measurements from the literature, we find consistency between croc and observations at redshifts $z\\lesssim 5.7$. however, at higher redshifts ($z\\gtrsim5.7$), the cumulative distribution function of mean opacities from croc is notably narrower than those from observed quasar sightlines implying that observations probe a systematically more opaque intergalactic medium at higher redshifts than the intergalactic medium in croc boxes at these same redshifts. this is consistent with previous analyses that indicate that the universe is reionized too early in croc simulations.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.10768v1 announce type: new abstract: quasar absorption lines provide a unique window to the relationship between galaxies and the intergalactic medium during the epoch of reionization. in particular, high redshift quasars enable measurements of the neutral hydrogen content of the universe. however, the limited sample size of observed quasar spectra, particularly at the highest redshifts, hampers our ability to fully characterize the intergalactic medium during this epoch from observations alone. in this work, we characterize the distributions of mean opacities of the intergalactic medium in simulations from the cosmic reionization on computers (croc) project. we find that the distribution of mean opacities along sightlines follows a non-trivial distribution that cannot be easily approximated by a known distribution. when comparing the cumulative distribution function of mean opacities measurements in subsamples of sample sizes similar to observational measurements from the literature, we find consistency between croc and observations at redshifts $z\\lesssim 5.7$. however, at higher redshifts ($z\\gtrsim5.7$), the cumulative distribution function of mean opacities from croc is notably narrower than those from observed quasar sightlines implying that observations probe a systematically more opaque intergalactic medium at higher redshifts than the intergalactic medium in croc boxes at these same redshifts. this is consistent with previous analyses that indicate that the universe is reionized too early in croc simulations."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a note on obvious manipulations of quantile stable mechanisms|https://arxiv.org/abs/2503.11821|2025-03-18 00:00:00|74d75ad9ce7c866842a1af211633e9784739df733943f725948de0694836af64

metadata:
{"title": "a note on obvious manipulations of quantile stable mechanisms", "link": "https://arxiv.org/abs/2503.11821", "original_description": "arxiv:2503.11821v1 announce type: new abstract: in two-sided matching markets with contracts, quantile (or generalized median) stable mechanisms represent an interesting class that produces stable allocations which can be viewed as compromises between both sides of the market. these mechanisms balance the competing priorities of the parties while maintaining stability. this paper explores obvious manipulations of quantile stable mechanisms. unfortunately, we get that any quantile stable mechanism different to the doctor-proposal da is obviously manipulable. our findings highlight the trade-offs between robustness to manipulation and other desirable properties, such as equity, in the design of stable matching mechanisms.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11821v1 announce type: new abstract: in two-sided matching markets with contracts, quantile (or generalized median) stable mechanisms represent an interesting class that produces stable allocations which can be viewed as compromises between both sides of the market. these mechanisms balance the competing priorities of the parties while maintaining stability. this paper explores obvious manipulations of quantile stable mechanisms. unfortunately, we get that any quantile stable mechanism different to the doctor-proposal da is obviously manipulable. our findings highlight the trade-offs between robustness to manipulation and other desirable properties, such as equity, in the design of stable matching mechanisms."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
public sector efficiency in delivering social services and its impact on human development: a comparative study of healthcare and education spending in india, pakistan, and bangladesh|https://arxiv.org/abs/2503.12178|2025-03-18 00:00:00|7fa3d4ef2bcf16358f6539b557e0341068d556328426728b5f5e28baee30a616

metadata:
{"title": "public sector efficiency in delivering social services and its impact on human development: a comparative study of healthcare and education spending in india, pakistan, and bangladesh", "link": "https://arxiv.org/abs/2503.12178", "original_description": "arxiv:2503.12178v1 announce type: new abstract: the research investigates the effects of public spending on health and education in shaping the human development in south asian three countries: india, pakistan and bangladesh. the study uses the var (vector auto regression) model to estimate the effects on government spending on these sectors to evaluate the human development. the findings state that there are different degrees of impact in these three countries. in bangladesh and india, health spending increases the human development in short term. on the other hand education spending shows the significance on the hdi.moreover, the study also highlights that there are different levels of effectiveness of government spending across these three countries. in order to maximize the human development an optimum country specific strategies should be adopted.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.12178v1 announce type: new abstract: the research investigates the effects of public spending on health and education in shaping the human development in south asian three countries: india, pakistan and bangladesh. the study uses the var (vector auto regression) model to estimate the effects on government spending on these sectors to evaluate the human development. the findings state that there are different degrees of impact in these three countries. in bangladesh and india, health spending increases the human development in short term. on the other hand education spending shows the significance on the hdi.moreover, the study also highlights that there are different levels of effectiveness of government spending across these three countries. in order to maximize the human development an optimum country specific strategies should be adopted."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
identification and estimation of structural vector autoregressive models via lu decomposition|https://arxiv.org/abs/2503.12378|2025-03-18 00:00:00|82e71cd2ce19e270160f0aa2b5c9a587909d4fbe9b5e82cd9cd746b282373b1b

metadata:
{"title": "identification and estimation of structural vector autoregressive models via lu decomposition", "link": "https://arxiv.org/abs/2503.12378", "original_description": "arxiv:2503.12378v1 announce type: new abstract: structural vector autoregressive (svar) models are widely used to analyze the simultaneous relationships between multiple time-dependent data. various statistical inference methods have been studied to overcome the identification problems of svar models. however, most of these methods impose strong assumptions for innovation processes such as the uncorrelation of components. in this study, we relax the assumptions for innovation processes and propose an identification method for svar models under the zero-restrictions on the coefficient matrices, which correspond to sufficient conditions for lu decomposition of the coefficient matrices of the reduced form of the svar models. moreover, we establish asymptotically normal estimators for the coefficient matrices and impulse responses, which enable us to construct test statistics for the simultaneous relationships of time-dependent data. the finite-sample performance of the proposed method is elucidated by numerical simulations. we also present an example of an empirical study that analyzes the impact of policy rates on unemployment and prices.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.12378v1 announce type: new abstract: structural vector autoregressive (svar) models are widely used to analyze the simultaneous relationships between multiple time-dependent data. various statistical inference methods have been studied to overcome the identification problems of svar models. however, most of these methods impose strong assumptions for innovation processes such as the uncorrelation of components. in this study, we relax the assumptions for innovation processes and propose an identification method for svar models under the zero-restrictions on the coefficient matrices, which correspond to sufficient conditions for lu decomposition of the coefficient matrices of the reduced form of the svar models. moreover, we establish asymptotically normal estimators for the coefficient matrices and impulse responses, which enable us to construct test statistics for the simultaneous relationships of time-dependent data. the finite-sample performance of the proposed method is elucidated by numerical simulations. we also present an example of an empirical study that analyzes the impact of policy rates on unemployment and prices."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
functional factor regression with an application to electricity price curve modeling|https://arxiv.org/abs/2503.12611|2025-03-18 00:00:00|5962215673dbb84afcbed2b34399ba9ebb0073dc6da73607c22ea9ab8c5c3668

metadata:
{"title": "functional factor regression with an application to electricity price curve modeling", "link": "https://arxiv.org/abs/2503.12611", "original_description": "arxiv:2503.12611v1 announce type: new abstract: we propose a function-on-function linear regression model for time-dependent curve data that is consistently estimated by imposing factor structures on the regressors. an integral operator based on cross-covariances identifies two components for each functional regressor: a predictive low-dimensional component, along with associated factors that are guaranteed to be correlated with the dependent variable, and an infinite-dimensional component that has no predictive power. in order to consistently estimate the correct number of factors for each regressor, we introduce a functional eigenvalue difference test. our setting allows us to construct a novel central limit theorem for the regression parameters in a fully functional model, making it possible to construct confidence bands and conduct statistical inference. the model is applied to forecast electricity price curves in three different energy markets. its prediction accuracy is found to be comparable to popular machine learning approaches, while providing statistically valid inference and interpretable insights into the conditional correlation structures of electricity prices.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.12611v1 announce type: new abstract: we propose a function-on-function linear regression model for time-dependent curve data that is consistently estimated by imposing factor structures on the regressors. an integral operator based on cross-covariances identifies two components for each functional regressor: a predictive low-dimensional component, along with associated factors that are guaranteed to be correlated with the dependent variable, and an infinite-dimensional component that has no predictive power. in order to consistently estimate the correct number of factors for each regressor, we introduce a functional eigenvalue difference test. our setting allows us to construct a novel central limit theorem for the regression parameters in a fully functional model, making it possible to construct confidence bands and conduct statistical inference. the model is applied to forecast electricity price curves in three different energy markets. its prediction accuracy is found to be comparable to popular machine learning approaches, while providing statistically valid inference and interpretable insights into the conditional correlation structures of electricity prices."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
local and global optima: sheaves and polynomial approximations|https://arxiv.org/abs/2503.12672|2025-03-18 00:00:00|1b8a159f2f6eef19f07609354a1b5ac5c8931cc088cd49b3a1ac2adcd2c1b47b

metadata:
{"title": "local and global optima: sheaves and polynomial approximations", "link": "https://arxiv.org/abs/2503.12672", "original_description": "arxiv:2503.12672v1 announce type: new abstract: in this paper, we analyze how global optima of an agent's preferences can be reconstructed from the solutions found for local problems. a sheaf-theoretic analysis provides an abstract characterization of the global solution, and polynomial approximations are obtained when only a few local instances are available.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.12672v1 announce type: new abstract: in this paper, we analyze how global optima of an agent's preferences can be reconstructed from the solutions found for local problems. a sheaf-theoretic analysis provides an abstract characterization of the global solution, and polynomial approximations are obtained when only a few local instances are available."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
financial adviser misconduct and labor market penalties: uncovering racial disparities in the absence of gender gaps|https://arxiv.org/abs/2503.12837|2025-03-18 00:00:00|4cd99924ab7ffd9f9ecb193cbb52f7bccc3f1ef404c01308d73f25c00d25cfaa

metadata:
{"title": "financial adviser misconduct and labor market penalties: uncovering racial disparities in the absence of gender gaps", "link": "https://arxiv.org/abs/2503.12837", "original_description": "arxiv:2503.12837v1 announce type: new abstract: using a comprehensive matched employer-employee dataset for u.s. financial advisers from 2008 to 2018, we revisit established evidence on labor market penalties following financial misconduct. prior studies report that female advisers are 20% more likely to exit their firms following misconduct and that similar disparities exist for non-white advisers. however, by disaggregating misconduct into distinct disclosure events - differentiating those that nearly always trigger job terminations from those that do not - we show that the apparent gender gap vanishes, while significant racial disparities persist. specifically, non-white advisers face approximately 24% higher job separation rates than their white counterparts. robustness checks confirm these findings across alternative specifications, suggesting that race-based differential treatment in the labor market is a distinct phenomenon warranting further investigation.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.12837v1 announce type: new abstract: using a comprehensive matched employer-employee dataset for u.s. financial advisers from 2008 to 2018, we revisit established evidence on labor market penalties following financial misconduct. prior studies report that female advisers are 20% more likely to exit their firms following misconduct and that similar disparities exist for non-white advisers. however, by disaggregating misconduct into distinct disclosure events - differentiating those that nearly always trigger job terminations from those that do not - we show that the apparent gender gap vanishes, while significant racial disparities persist. specifically, non-white advisers face approximately 24% higher job separation rates than their white counterparts. robustness checks confirm these findings across alternative specifications, suggesting that race-based differential treatment in the labor market is a distinct phenomenon warranting further investigation."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
investing in nature: stakeholder's willingness to pay for tunisian forest services|https://arxiv.org/abs/2503.13253|2025-03-18 00:00:00|3a03036d8915986af6a61fd96dd0983197e8f02174351093ba05c8dde3973a5e

metadata:
{"title": "investing in nature: stakeholder's willingness to pay for tunisian forest services", "link": "https://arxiv.org/abs/2503.13253", "original_description": "arxiv:2503.13253v1 announce type: new abstract: this study explores the economic value of aleppo pine forests, a unique and threatened ecosystem in the border region of central tunisia. these forests play a vital role in supporting small rural communities, but face increasing pressures and restrictions on their use. this research aims to assign a monetary value to forest conservation, considering the region's specific socio-economic context. strategies for empowering local residents as key actors in developing sustainable cross-border initiatives are further investigated. employing the contingent valuation method, a survey of 350 local residents and international users was conducted to assess their willigness to pay fo forest conservation efforts. logistic regression analysis revealed that sociodemographic factors, such as monthly income and preferred payment method, significantly influence both and the likehood of participation. these findingd highlight the feasibility and importance of reconciling economic development with ecological sustainability in this critical region.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.13253v1 announce type: new abstract: this study explores the economic value of aleppo pine forests, a unique and threatened ecosystem in the border region of central tunisia. these forests play a vital role in supporting small rural communities, but face increasing pressures and restrictions on their use. this research aims to assign a monetary value to forest conservation, considering the region's specific socio-economic context. strategies for empowering local residents as key actors in developing sustainable cross-border initiatives are further investigated. employing the contingent valuation method, a survey of 350 local residents and international users was conducted to assess their willigness to pay fo forest conservation efforts. logistic regression analysis revealed that sociodemographic factors, such as monthly income and preferred payment method, significantly influence both and the likehood of participation. these findingd highlight the feasibility and importance of reconciling economic development with ecological sustainability in this critical region."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
tracking the hidden forces behind laos' 2022 exchange rate crisis and balance of payments instability|https://arxiv.org/abs/2503.13308|2025-03-18 00:00:00|e1d5103ce64bd522f84d29e649a21285bf4bb82f6723425098c9a618dad4e9a9

metadata:
{"title": "tracking the hidden forces behind laos' 2022 exchange rate crisis and balance of payments instability", "link": "https://arxiv.org/abs/2503.13308", "original_description": "arxiv:2503.13308v1 announce type: new abstract: this working paper uses a dynamic factor model ('the model') to identify underlying factors contributing to the debt-induced economic crisis in the people's democratic republic of laos ('laos'). the analysis aims to use the latent macroeconomic insights to propose ways forward for forecasting. we focus on laos's historic structural weaknesses to identify when a balance of payments crisis with either a persistent current account imbalance or rapid capital outflows would occur. by extracting latent economic factors from macroeconomic indicators, the model provides a starting point for analyzing the structural vulnerabilities leading to the value of the kip in usd terms dropping and contributing to inflation in the country. this findings of this working paper contribute to the broader literature on exchange rate instability and external sector vulnerabilities in emerging economies, offering insights on what constitutes as 'signals' as opposed to plain 'noise' from a macroeconomic forecasting standpoint.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.13308v1 announce type: new abstract: this working paper uses a dynamic factor model ('the model') to identify underlying factors contributing to the debt-induced economic crisis in the people's democratic republic of laos ('laos'). the analysis aims to use the latent macroeconomic insights to propose ways forward for forecasting. we focus on laos's historic structural weaknesses to identify when a balance of payments crisis with either a persistent current account imbalance or rapid capital outflows would occur. by extracting latent economic factors from macroeconomic indicators, the model provides a starting point for analyzing the structural vulnerabilities leading to the value of the kip in usd terms dropping and contributing to inflation in the country. this findings of this working paper contribute to the broader literature on exchange rate instability and external sector vulnerabilities in emerging economies, offering insights on what constitutes as 'signals' as opposed to plain 'noise' from a macroeconomic forecasting standpoint."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
difference-in-differences designs: a practitioner's guide|https://arxiv.org/abs/2503.13323|2025-03-18 00:00:00|22d25f91a385d3e74310db5f33240d69eaa9d40a89233dd5957e9feaf663c9f6

metadata:
{"title": "difference-in-differences designs: a practitioner's guide", "link": "https://arxiv.org/abs/2503.13323", "original_description": "arxiv:2503.13323v1 announce type: new abstract: difference-in-differences (did) is arguably the most popular quasi-experimental research design. its canonical form, with two groups and two periods, is well-understood. however, empirical practices can be ad hoc when researchers go beyond that simple case. this article provides an organizing framework for discussing different types of did designs and their associated did estimators. it discusses covariates, weights, handling multiple periods, and staggered treatments. the organizational framework, however, applies to other extensions of did methods as well.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.13323v1 announce type: new abstract: difference-in-differences (did) is arguably the most popular quasi-experimental research design. its canonical form, with two groups and two periods, is well-understood. however, empirical practices can be ad hoc when researchers go beyond that simple case. this article provides an organizing framework for discussing different types of did designs and their associated did estimators. it discusses covariates, weights, handling multiple periods, and staggered treatments. the organizational framework, however, applies to other extensions of did methods as well."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
correlation uncertainty: a decision-theoretic approach|https://arxiv.org/abs/2503.13416|2025-03-18 00:00:00|7c3172100cb4f18f3ac2870fc848fccf8a3d765d5e5d24cf47dbaa59b28b7924

metadata:
{"title": "correlation uncertainty: a decision-theoretic approach", "link": "https://arxiv.org/abs/2503.13416", "original_description": "arxiv:2503.13416v1 announce type: new abstract: we provide a decision-theoretic foundation for uncertainty about the correlation structure on a cartesian product of probability spaces. our contribution is two-fold: we first provide a full characterization of the set of possible correlations between subspaces as a convex polytope. its extreme points are identified as the local maxima of mutual information and as maximally zero probability measures. second, we derive an axiomatic characterization of preferences narrowing down the set of correlations a decision maker considers, making behavior about correlation testable. thereby, she may regard collections of subspaces as independent from one another. we illustrate our model and results in simple examples on climate change, insurance and portfolio choice.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.13416v1 announce type: new abstract: we provide a decision-theoretic foundation for uncertainty about the correlation structure on a cartesian product of probability spaces. our contribution is two-fold: we first provide a full characterization of the set of possible correlations between subspaces as a convex polytope. its extreme points are identified as the local maxima of mutual information and as maximally zero probability measures. second, we derive an axiomatic characterization of preferences narrowing down the set of correlations a decision maker considers, making behavior about correlation testable. thereby, she may regard collections of subspaces as independent from one another. we illustrate our model and results in simple examples on climate change, insurance and portfolio choice."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
optimizing sensor data interpretation via hybrid parametric bootstrapping|https://arxiv.org/abs/2503.11661|2025-03-18 00:00:00|967081451268fa9c84ab2b80d751fa649eeeec46fc7f5da487786f24e1f9506b

metadata:
{"title": "optimizing sensor data interpretation via hybrid parametric bootstrapping", "link": "https://arxiv.org/abs/2503.11661", "original_description": "arxiv:2503.11661v1 announce type: new abstract: the chalk river laboratories (crl) site in ontario, canada, has long been a hub for nuclear research, which has resulted in the accumulation of legacy nuclear waste, including radioactive materials such as uranium, plutonium, and other radionuclides. effective management of this legacy requires precise contamination and risk assessments, with a particular focus on the concentration levels of fissile materials such as u-235. these assessments are essential for maintaining nuclear criticality safety. this study estimates the upper bounds of u-235 concentrations. we investigated the use of a hybrid parametric bootstrapping method and robust statistical techniques to analyze datasets with outliers, then compared these outcomes with those derived from nonparametric bootstrapping. this study underscores the significance of measuring u-235 for ensuring safety, conducting environmental monitoring, and adhering to regulatory compliance requirements at nuclear legacy sites. we used publicly accessible u-235 data from the eastern desert of egypt to demonstrate the application of these statistical methods to small datasets, providing reliable upper limit estimates that are vital for remediation and decommissioning efforts. this method seeks to enhance the interpretation of sensor data, ultimately supporting safer nuclear waste management practices at legacy sites such as crl.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11661v1 announce type: new abstract: the chalk river laboratories (crl) site in ontario, canada, has long been a hub for nuclear research, which has resulted in the accumulation of legacy nuclear waste, including radioactive materials such as uranium, plutonium, and other radionuclides. effective management of this legacy requires precise contamination and risk assessments, with a particular focus on the concentration levels of fissile materials such as u-235. these assessments are essential for maintaining nuclear criticality safety. this study estimates the upper bounds of u-235 concentrations. we investigated the use of a hybrid parametric bootstrapping method and robust statistical techniques to analyze datasets with outliers, then compared these outcomes with those derived from nonparametric bootstrapping. this study underscores the significance of measuring u-235 for ensuring safety, conducting environmental monitoring, and adhering to regulatory compliance requirements at nuclear legacy sites. we used publicly accessible u-235 data from the eastern desert of egypt to demonstrate the application of these statistical methods to small datasets, providing reliable upper limit estimates that are vital for remediation and decommissioning efforts. this method seeks to enhance the interpretation of sensor data, ultimately supporting safer nuclear waste management practices at legacy sites such as crl."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the new generalized odd median based unit rayleigh with a new shape oscillating hazard rate function|https://arxiv.org/abs/2503.11668|2025-03-18 00:00:00|5e19c6333f3323eeafb4fb4ccd12890e762fcf8c073ff0927557674831a68b66

metadata:
{"title": "the new generalized odd median based unit rayleigh with a new shape oscillating hazard rate function", "link": "https://arxiv.org/abs/2503.11668", "original_description": "arxiv:2503.11668v1 announce type: new abstract: in this paper, the author presents the generalized form of the median-based unit rayleigh (mbur) distribution, a novel statistical distribution that is specifically defined within the interval (0, 1) expressing oscillating hazard rate function. this generalization adds a new parameter to the mbur distribution that significantly addresses the unique characteristics of data represented as ratios and proportions, which are commonly encountered in various fields of research. the establishment of this generalization aims to deepen our understanding of these phenomena by providing a robust framework for analysis. the paper offers a thorough and meticulous derivation of the probability density function (pdf) for the mbur distribution, illuminating each phase of the process with clarity and precision.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11668v1 announce type: new abstract: in this paper, the author presents the generalized form of the median-based unit rayleigh (mbur) distribution, a novel statistical distribution that is specifically defined within the interval (0, 1) expressing oscillating hazard rate function. this generalization adds a new parameter to the mbur distribution that significantly addresses the unique characteristics of data represented as ratios and proportions, which are commonly encountered in various fields of research. the establishment of this generalization aims to deepen our understanding of these phenomena by providing a robust framework for analysis. the paper offers a thorough and meticulous derivation of the probability density function (pdf) for the mbur distribution, illuminating each phase of the process with clarity and precision."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
mealmeter: using multimodal sensing and machine learning for automatically estimating nutrition intake|https://arxiv.org/abs/2503.11683|2025-03-18 00:00:00|bb065074ebbb7bcb1429d0bb88a79195a9cb84559b8b7ee59e6c82dfc763f4c0

metadata:
{"title": "mealmeter: using multimodal sensing and machine learning for automatically estimating nutrition intake", "link": "https://arxiv.org/abs/2503.11683", "original_description": "arxiv:2503.11683v1 announce type: new abstract: accurate estimation of meal macronutrient composition is a pre-perquisite for precision nutrition, metabolic health monitoring, and glycemic management. traditional dietary assessment methods, such as self-reported food logs or diet recalls are time-intensive and prone to inaccuracies and biases. several existing ai-driven frameworks are data intensive. in this study, we propose mealmeter, a machine learning driven method that leverages multimodal sensor data of wearable and mobile devices. data are collected from 12 participants to estimate macronutrient intake. our approach integrates physiological signals (e.g., continuous glucose, heart rate variability), inertial motion data, and environmental cues to model the relationship between meal intake and metabolic responses. using lightweight machine learning models trained on a diverse dataset of labeled meal events, mealmeter predicts the composition of carbohydrates, proteins, and fats with high accuracy. our results demonstrate that multimodal sensing combined with machine learning significantly improves meal macronutrient estimation compared to the baselines including foundation model and achieves average mean absolute errors (mae) and average root mean squared relative errors (rmsre) as low as 13.2 grams and 0.37, respectively, for carbohydrates. therefore, our developed system has the potential to automate meal tracking, enhance dietary interventions, and support personalized nutrition strategies for individuals managing metabolic disorders such as diabetes and obesity.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11683v1 announce type: new abstract: accurate estimation of meal macronutrient composition is a pre-perquisite for precision nutrition, metabolic health monitoring, and glycemic management. traditional dietary assessment methods, such as self-reported food logs or diet recalls are time-intensive and prone to inaccuracies and biases. several existing ai-driven frameworks are data intensive. in this study, we propose mealmeter, a machine learning driven method that leverages multimodal sensor data of wearable and mobile devices. data are collected from 12 participants to estimate macronutrient intake. our approach integrates physiological signals (e.g., continuous glucose, heart rate variability), inertial motion data, and environmental cues to model the relationship between meal intake and metabolic responses. using lightweight machine learning models trained on a diverse dataset of labeled meal events, mealmeter predicts the composition of carbohydrates, proteins, and fats with high accuracy. our results demonstrate that multimodal sensing combined with machine learning significantly improves meal macronutrient estimation compared to the baselines including foundation model and achieves average mean absolute errors (mae) and average root mean squared relative errors (rmsre) as low as 13.2 grams and 0.37, respectively, for carbohydrates. therefore, our developed system has the potential to automate meal tracking, enhance dietary interventions, and support personalized nutrition strategies for individuals managing metabolic disorders such as diabetes and obesity."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
investigating dimensionally-reduced highly-damped systems with multivariate variational mode decomposition: an experimental approach|https://arxiv.org/abs/2503.11689|2025-03-18 00:00:00|6bda780c9518d78af5572a7c5d06139db5b7bc97ae29964a4845d4bff350ddee

metadata:
{"title": "investigating dimensionally-reduced highly-damped systems with multivariate variational mode decomposition: an experimental approach", "link": "https://arxiv.org/abs/2503.11689", "original_description": "arxiv:2503.11689v1 announce type: new abstract: structural health monitoring (shm) is an essential engineering field aimed at ensuring the safety and reliability of civil infrastructures. this study proposes a methodology using multivariate variational mode decomposition (mvmd) for damage detection and modal identification. mvmd decomposes multi-sensor vibration responses into intrinsic modal components, facilitating the extraction of natural frequencies and damping ratios by analyzing amplitude decay in the identified modes. mode shapes are determined through peak-normalization of fourier spectra corresponding to each mode. the methodology is further applied to detect damage by identifying changes in the extracted modal parameters and spatial features of the structure. the proposed approach enables damage detection by tracking variations in modal parameters and spatial structural characteristics. to validate its efficacy, the methodology is applied to a benchmark eight-degree-of-freedom (8-dof) system from los alamos national laboratory (lanl), demonstrating its robustness in identifying structural damage under non-stationary excitation and narrowband frequency content. the results confirm that mvmd provides a reliable and adaptable framework for modal analysis and damage assessment in complex infrastructure systems, addressing key challenges such as environmental variability and practical scenarios.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11689v1 announce type: new abstract: structural health monitoring (shm) is an essential engineering field aimed at ensuring the safety and reliability of civil infrastructures. this study proposes a methodology using multivariate variational mode decomposition (mvmd) for damage detection and modal identification. mvmd decomposes multi-sensor vibration responses into intrinsic modal components, facilitating the extraction of natural frequencies and damping ratios by analyzing amplitude decay in the identified modes. mode shapes are determined through peak-normalization of fourier spectra corresponding to each mode. the methodology is further applied to detect damage by identifying changes in the extracted modal parameters and spatial features of the structure. the proposed approach enables damage detection by tracking variations in modal parameters and spatial structural characteristics. to validate its efficacy, the methodology is applied to a benchmark eight-degree-of-freedom (8-dof) system from los alamos national laboratory (lanl), demonstrating its robustness in identifying structural damage under non-stationary excitation and narrowband frequency content. the results confirm that mvmd provides a reliable and adaptable framework for modal analysis and damage assessment in complex infrastructure systems, addressing key challenges such as environmental variability and practical scenarios."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the impact of meteorological factors on crop price volatility in india: case studies of soybean and brinjal|https://arxiv.org/abs/2503.11690|2025-03-18 00:00:00|240fee388c54f6c4b44855425b6bafd5d45b927fb02bea3bfaa73d764d80d907

metadata:
{"title": "the impact of meteorological factors on crop price volatility in india: case studies of soybean and brinjal", "link": "https://arxiv.org/abs/2503.11690", "original_description": "arxiv:2503.11690v1 announce type: new abstract: the price volatility of agricultural crops (commodities) is influenced by meteorological variables such as temperature and precipitation (and many other environmental, social and governance factors), which is a critical challenge in sustainable finance, agricultural planning, and policy-making. this paper studies the impact of meteorological variables on price volatility of agricultural crops. as case studies, we choose the two indian states of madhya pradesh (for soybean) and odisha (for brinjal). we employ an exponential generalized autoregressive conditional heteroskedasticity (egarch) model to estimate the conditional volatility of the log returns of crop prices from 2012 to 2024. this study further explores the cross-correlations between volatility and the meteorological variables. further, a granger-causality test is carried out to analyze the causal effect of meteorological variables on the price volatility. finally, the seasonal auto-regressive integrated moving average with exogenous regressors (sarimax) and long short-term memory (lstm) models are implemented as simple machine learning models of price volatility with meteorological factors as exogenous variables. we believe that this will illustrate the usefulness of simple machine learning models in agricultural finance, and help the farmers to make informed decisions by considering climate patterns and making beneficial decisions with regard to crop rotation or allocations. in general, implementing meteorological factors to assess agricultural performance could help to understand and reduce price volatility and possibly lead to economic stability.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11690v1 announce type: new abstract: the price volatility of agricultural crops (commodities) is influenced by meteorological variables such as temperature and precipitation (and many other environmental, social and governance factors), which is a critical challenge in sustainable finance, agricultural planning, and policy-making. this paper studies the impact of meteorological variables on price volatility of agricultural crops. as case studies, we choose the two indian states of madhya pradesh (for soybean) and odisha (for brinjal). we employ an exponential generalized autoregressive conditional heteroskedasticity (egarch) model to estimate the conditional volatility of the log returns of crop prices from 2012 to 2024. this study further explores the cross-correlations between volatility and the meteorological variables. further, a granger-causality test is carried out to analyze the causal effect of meteorological variables on the price volatility. finally, the seasonal auto-regressive integrated moving average with exogenous regressors (sarimax) and long short-term memory (lstm) models are implemented as simple machine learning models of price volatility with meteorological factors as exogenous variables. we believe that this will illustrate the usefulness of simple machine learning models in agricultural finance, and help the farmers to make informed decisions by considering climate patterns and making beneficial decisions with regard to crop rotation or allocations. in general, implementing meteorological factors to assess agricultural performance could help to understand and reduce price volatility and possibly lead to economic stability."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
comparative study of the median based unit rayleigh and its generalized form the generalized odd median based unit rayleigh|https://arxiv.org/abs/2503.11700|2025-03-18 00:00:00|acd71201ef03c00a7e443a03881a321256f4427c26fad0d509639a3533dad4be

metadata:
{"title": "comparative study of the median based unit rayleigh and its generalized form the generalized odd median based unit rayleigh", "link": "https://arxiv.org/abs/2503.11700", "original_description": "arxiv:2503.11700v1 announce type: new abstract: in the present paper, the author discusses the generalized odd median base unit rayleigh (gombur) in relation to the median based unit rayleigh (mbur) to evaluate the additive value of the new shape parameter on the estimation process as regards validity indices, goodness of fit statistics, estimated variances of the estimated parameters and their standard errors. this evaluation is conducted on real datasets. each dataset is analyzed by fitting different competitor distributions in addition to mbur and gombur distributions. the parameter estimation is achieved by applying maximum likelihood estimator (mle) using nelder mead optimizer.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11700v1 announce type: new abstract: in the present paper, the author discusses the generalized odd median base unit rayleigh (gombur) in relation to the median based unit rayleigh (mbur) to evaluate the additive value of the new shape parameter on the estimation process as regards validity indices, goodness of fit statistics, estimated variances of the estimated parameters and their standard errors. this evaluation is conducted on real datasets. each dataset is analyzed by fitting different competitor distributions in addition to mbur and gombur distributions. the parameter estimation is achieved by applying maximum likelihood estimator (mle) using nelder mead optimizer."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
comment on arxiv:2202.01553: the distribution of a gaussian covariate statistic|https://arxiv.org/abs/2503.11712|2025-03-18 00:00:00|834e547f03344d65931b5eedf852cb97aaf8cbec5a9b0805e45b90643139f653

metadata:
{"title": "comment on arxiv:2202.01553: the distribution of a gaussian covariate statistic", "link": "https://arxiv.org/abs/2503.11712", "original_description": "arxiv:2503.11712v1 announce type: new abstract: this is a comment on arxiv:2202.01553. in regression gaussian covariate p-values (davies and d{\\\"u}mbgen, arxiv:2202.01553) are used to control greedy forward subset selection by accounting for choosing the best when fitting many variables. here we outline a simple proof of their theorems 1 and 2, making alterations to simplify the exposition by including a new variable rather than excluding an included variable and some slight changes in notation.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11712v1 announce type: new abstract: this is a comment on arxiv:2202.01553. in regression gaussian covariate p-values (davies and d{\\\"u}mbgen, arxiv:2202.01553) are used to control greedy forward subset selection by accounting for choosing the best when fitting many variables. here we outline a simple proof of their theorems 1 and 2, making alterations to simplify the exposition by including a new variable rather than excluding an included variable and some slight changes in notation."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
analysis of information loss on composition measurement in stiff chemically reacting systems|https://arxiv.org/abs/2503.11729|2025-03-18 00:00:00|4bcf605669951ba28a7fc38d680b139d40a5c63f9e0515f4aa52df71ce6e781d

metadata:
{"title": "analysis of information loss on composition measurement in stiff chemically reacting systems", "link": "https://arxiv.org/abs/2503.11729", "original_description": "arxiv:2503.11729v1 announce type: new abstract: gas sampling methods have been crucial for the advancement of combustion science, enabling analysis of reaction kinetics and pollutant formation. however, the measured composition can deviate from the true one because of the potential residual reactions in the sampling probes. this study formulates the initial composition estimation in stiff chemically reacting systems as a bayesian inference problem, solved using the no-u-turn sampler (nuts). information loss arises from the restriction of system dynamics by low dimensional attracting manifold, where constrained evolution causes initial perturbations to decay or vanish in fast eigen-directions in composition space. this study systematically investigates the initial value inference in combustion systems and successfully validates the methodological framework in the robertson toy system and hydrogen autoignition. furthermore, a gas sample collected from a one-dimensional hydrogen diffusion flame is analyzed to investigate the effect of frozen temperature on information loss. the research highlights the importance of species covariance information from observations in improving estimation accuracy and identifies how the rank reduction in the sensitivity matrix leads to inference failures. critical failure times for species inference in the robertson and hydrogen autoignition systems are analyzed, providing insights into the limits of inference reliability and its physical significance.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11729v1 announce type: new abstract: gas sampling methods have been crucial for the advancement of combustion science, enabling analysis of reaction kinetics and pollutant formation. however, the measured composition can deviate from the true one because of the potential residual reactions in the sampling probes. this study formulates the initial composition estimation in stiff chemically reacting systems as a bayesian inference problem, solved using the no-u-turn sampler (nuts). information loss arises from the restriction of system dynamics by low dimensional attracting manifold, where constrained evolution causes initial perturbations to decay or vanish in fast eigen-directions in composition space. this study systematically investigates the initial value inference in combustion systems and successfully validates the methodological framework in the robertson toy system and hydrogen autoignition. furthermore, a gas sample collected from a one-dimensional hydrogen diffusion flame is analyzed to investigate the effect of frozen temperature on information loss. the research highlights the importance of species covariance information from observations in improving estimation accuracy and identifies how the rank reduction in the sensitivity matrix leads to inference failures. critical failure times for species inference in the robertson and hydrogen autoignition systems are analyzed, providing insights into the limits of inference reliability and its physical significance."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
generalized bayesian ensemble survival tree (gbest) model|https://arxiv.org/abs/2503.11738|2025-03-18 00:00:00|2e494dbc06420bc4eaecf4c9374093eb01b46877d86cc9ee04bd6787e9b49873

metadata:
{"title": "generalized bayesian ensemble survival tree (gbest) model", "link": "https://arxiv.org/abs/2503.11738", "original_description": "arxiv:2503.11738v1 announce type: new abstract: this paper proposes a new class of predictive models for survival analysis called generalized bayesian ensemble survival tree (gbest). it is well known that survival analysis poses many different challenges, in particular when applied to small data or censorship mechanism. our contribution is the proposal of an ensemble approach that uses bayesian bootstrap and beta stacy bootstrap methods to improve the outcome in survival application with a special focus on small datasets. more precisely, a novel approach to integrate beta stacy bayesian bootstrap in bagging tree models for censored data is proposed in this paper. empirical evidence achieved on simulated and real data underlines that our approach performs better in terms of predictive performances and stability of the results compared with classical survival models available in the literature. in terms of methodology our novel contribution considers the adaptation of recent bayesian ensemble approaches to survival data, providing a new model called generalized bayesian ensemble survival tree (gbest). a further result in terms of computational novelty is the implementation in r of gbest, available in a public github repository.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11738v1 announce type: new abstract: this paper proposes a new class of predictive models for survival analysis called generalized bayesian ensemble survival tree (gbest). it is well known that survival analysis poses many different challenges, in particular when applied to small data or censorship mechanism. our contribution is the proposal of an ensemble approach that uses bayesian bootstrap and beta stacy bootstrap methods to improve the outcome in survival application with a special focus on small datasets. more precisely, a novel approach to integrate beta stacy bayesian bootstrap in bagging tree models for censored data is proposed in this paper. empirical evidence achieved on simulated and real data underlines that our approach performs better in terms of predictive performances and stability of the results compared with classical survival models available in the literature. in terms of methodology our novel contribution considers the adaptation of recent bayesian ensemble approaches to survival data, providing a new model called generalized bayesian ensemble survival tree (gbest). a further result in terms of computational novelty is the implementation in r of gbest, available in a public github repository."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
proposal for the application of fractional operators in polynomial regression models to enhance the determination coefficient $r^2$ on unseen data|https://arxiv.org/abs/2503.11749|2025-03-18 00:00:00|8e98320f42531ac389e93c0a9b523af5a374a58b693019638e6194511c7066c7

metadata:
{"title": "proposal for the application of fractional operators in polynomial regression models to enhance the determination coefficient $r^2$ on unseen data", "link": "https://arxiv.org/abs/2503.11749", "original_description": "arxiv:2503.11749v1 announce type: new abstract: since polynomial regression models are generally quite reliable for data with a linear trend, it is important to note that, in some cases, they may encounter overfitting issues during the training phase, which could result in negative values of the coefficient of determination $r^2$ for unseen data. for this reason, this work proposes the partial implementation of fractional operators in polynomial regression models to generate a fractional regression model. the goal of this proposal is to attempt to mitigate overfitting, which could improve the value of the coefficient of determination for unseen data, compared to the polynomial model, under the assumption that this would contribute to generating predictive models with better performance. the methodology for constructing these fractional regression models is detailed, and examples applicable to both riemann-liouville and caputo fractional operators are presented.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11749v1 announce type: new abstract: since polynomial regression models are generally quite reliable for data with a linear trend, it is important to note that, in some cases, they may encounter overfitting issues during the training phase, which could result in negative values of the coefficient of determination $r^2$ for unseen data. for this reason, this work proposes the partial implementation of fractional operators in polynomial regression models to generate a fractional regression model. the goal of this proposal is to attempt to mitigate overfitting, which could improve the value of the coefficient of determination for unseen data, compared to the polynomial model, under the assumption that this would contribute to generating predictive models with better performance. the methodology for constructing these fractional regression models is detailed, and examples applicable to both riemann-liouville and caputo fractional operators are presented."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a quantum algorithm for the classification of patterns of boolean functions|https://arxiv.org/abs/2503.11722|2025-03-18 00:00:00|d62c4d3db64f019562f108dcb2461906bbe8b42b1b4786574dbd808827423198

metadata:
{"title": "a quantum algorithm for the classification of patterns of boolean functions", "link": "https://arxiv.org/abs/2503.11722", "original_description": "arxiv:2503.11722v1 announce type: new abstract: this paper introduces a novel quantum algorithm that is able to classify a hierarchy of classes of imbalanced boolean functions. the fundamental characteristic of imbalanced boolean functions is that the proportion of elements in their domain that take the value $0$ is not equal to the proportion of elements that take the value $1$. for every positive integer $n$, the hierarchy contains a class of boolean functions defined based on their behavioral pattern. the common trait of all the functions belonging to the same class is that they possess the same imbalance ratio. our algorithm achieves classification in a straightforward manner as the final measurement reveals the unknown function with probability $1$. let us also note that the proposed algorithm is an optimal oracular algorithm because it can classify the aforementioned functions with a single query to the oracle. at the same time we explain in detail the methodology we followed to design this algorithm in the hope that it will prove general and fruitful, given that it can be easily modified and extended to address other classes of imbalanced boolean functions that exhibit different behavioral patterns.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11722v1 announce type: new abstract: this paper introduces a novel quantum algorithm that is able to classify a hierarchy of classes of imbalanced boolean functions. the fundamental characteristic of imbalanced boolean functions is that the proportion of elements in their domain that take the value $0$ is not equal to the proportion of elements that take the value $1$. for every positive integer $n$, the hierarchy contains a class of boolean functions defined based on their behavioral pattern. the common trait of all the functions belonging to the same class is that they possess the same imbalance ratio. our algorithm achieves classification in a straightforward manner as the final measurement reveals the unknown function with probability $1$. let us also note that the proposed algorithm is an optimal oracular algorithm because it can classify the aforementioned functions with a single query to the oracle. at the same time we explain in detail the methodology we followed to design this algorithm in the hope that it will prove general and fruitful, given that it can be easily modified and extended to address other classes of imbalanced boolean functions that exhibit different behavioral patterns."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
quest\~oes \`a "interpreta\c{c}\~ao da consci\^encia processual" da mec\^anica qu\^antica|https://arxiv.org/abs/2503.11724|2025-03-18 00:00:00|3ae5c899e2d79e33d696b8da11f70591b6dd18b2fd25be5bed7aba863cd57b3b

metadata:
{"title": "quest\\~oes \\`a \"interpreta\\c{c}\\~ao da consci\\^encia processual\" da mec\\^anica qu\\^antica", "link": "https://arxiv.org/abs/2503.11724", "original_description": "arxiv:2503.11724v1 announce type: new abstract: the processual consciousness interpretation (pci), as developed in arroyo (2024, chap. 5) and arroyo, nunes filho, and moreira dos santos (2024), proposes a process ontology as a solution to the measurement problem. this article presents the standard interpretation taken to its ultimate ontological consequences; introduces the pci; and offers reflections based on the questions raised about the pci during the xx anpof meeting, in the session of the wg on philosophy of the physical sciences.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11724v1 announce type: new abstract: the processual consciousness interpretation (pci), as developed in arroyo (2024, chap. 5) and arroyo, nunes filho, and moreira dos santos (2024), proposes a process ontology as a solution to the measurement problem. this article presents the standard interpretation taken to its ultimate ontological consequences; introduces the pci; and offers reflections based on the questions raised about the pci during the xx anpof meeting, in the session of the wg on philosophy of the physical sciences."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
power-consumption backdoor in quantum key distribution|https://arxiv.org/abs/2503.11767|2025-03-18 00:00:00|881fdb213ead22a9a30a8b7a0949c6b1ab3c975e520389c43bc6e4e633d67833

metadata:
{"title": "power-consumption backdoor in quantum key distribution", "link": "https://arxiv.org/abs/2503.11767", "original_description": "arxiv:2503.11767v1 announce type: new abstract: over the last decades, quantum key distribution (qkd) has risen as a promising solution for secure communications. however, like all cryptographic protocols, qkd implementations can open security vulnerabilities. until now, the study of physical vulnerabilities in qkd setups has primarily focused on the optical channel. in classical cryptoanalysis, power and electromagnetic side-channel analysis are powerful techniques used to access unwanted information about the encryption key in symmetric-key algorithms. in qkd they have rarely been used, since they require an eavesdropper to have access to alice or bob's setups. however, security proofs of qkd protocols generally assume that these setups are secure, making it crucial to understand the necessary security measures to ensure this protection. in this work, we propose and implement a power side-channel analysis to a qkd system, by exploiting the power consumption of the electronic driver controlling the electro-optical components of the qkd transmitter. qkd modules typically require very precise electronic drivers, such as field programmable gate arrays (fpgas). here, we show that the fpga's power consumption can leak information about the qkd operation, and consequently the transmitted key. the analysis was performed on the qkd transmitter at the university of padua. our results are consistent and show critical information leakage, having reached a maximum accuracy of 73.35% in predicting transmitted qubits at a 100 mhz repetition frequency.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11767v1 announce type: new abstract: over the last decades, quantum key distribution (qkd) has risen as a promising solution for secure communications. however, like all cryptographic protocols, qkd implementations can open security vulnerabilities. until now, the study of physical vulnerabilities in qkd setups has primarily focused on the optical channel. in classical cryptoanalysis, power and electromagnetic side-channel analysis are powerful techniques used to access unwanted information about the encryption key in symmetric-key algorithms. in qkd they have rarely been used, since they require an eavesdropper to have access to alice or bob's setups. however, security proofs of qkd protocols generally assume that these setups are secure, making it crucial to understand the necessary security measures to ensure this protection. in this work, we propose and implement a power side-channel analysis to a qkd system, by exploiting the power consumption of the electronic driver controlling the electro-optical components of the qkd transmitter. qkd modules typically require very precise electronic drivers, such as field programmable gate arrays (fpgas). here, we show that the fpga's power consumption can leak information about the qkd operation, and consequently the transmitted key. the analysis was performed on the qkd transmitter at the university of padua. our results are consistent and show critical information leakage, having reached a maximum accuracy of 73.35% in predicting transmitted qubits at a 100 mhz repetition frequency."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
probing prethermal nonergodicity through measurement outcomes of monitored quantum dynamics|https://arxiv.org/abs/2503.11782|2025-03-18 00:00:00|7a58204d2880af7424ff8354f4b1c7c02ce3aa98a983def05b5bcaeb61b1fc11

metadata:
{"title": "probing prethermal nonergodicity through measurement outcomes of monitored quantum dynamics", "link": "https://arxiv.org/abs/2503.11782", "original_description": "arxiv:2503.11782v1 announce type: new abstract: projective measurements are a key element in quantum physics and enable rich phenomena in monitored quantum dynamics. here, we show that the measurement outcomes, recorded during monitored dynamics, can provide crucial information about the properties of the monitored dynamical system itself. we demonstrate this for a floquet model of many-body localization, where we find that the prethermal many-body localized regime becomes unstable against rare measurements, yielding an unusual enhancement of quantum entanglement. through an unsupervised learning and mutual information analysis on the classical dataset of measurement outcomes, we find that the information loss in the system, reflected by the increased entanglement, is compensated by an emergent structure in this classical dataset. our findings highlight the crucial role of measurements and corresponding classical outcomes in capturing prethermal nonergodicity, offering a promising perspective for applications to other monitored quantum dynamics.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11782v1 announce type: new abstract: projective measurements are a key element in quantum physics and enable rich phenomena in monitored quantum dynamics. here, we show that the measurement outcomes, recorded during monitored dynamics, can provide crucial information about the properties of the monitored dynamical system itself. we demonstrate this for a floquet model of many-body localization, where we find that the prethermal many-body localized regime becomes unstable against rare measurements, yielding an unusual enhancement of quantum entanglement. through an unsupervised learning and mutual information analysis on the classical dataset of measurement outcomes, we find that the information loss in the system, reflected by the increased entanglement, is compensated by an emergent structure in this classical dataset. our findings highlight the crucial role of measurements and corresponding classical outcomes in capturing prethermal nonergodicity, offering a promising perspective for applications to other monitored quantum dynamics."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
noise-strength-adapted approximate quantum codes inspired by machine learning|https://arxiv.org/abs/2503.11783|2025-03-18 00:00:00|d709363ad04ec39de30dbb0116749ab7991a59e87dcd1c9e126fc3c53fd7daf8

metadata:
{"title": "noise-strength-adapted approximate quantum codes inspired by machine learning", "link": "https://arxiv.org/abs/2503.11783", "original_description": "arxiv:2503.11783v1 announce type: new abstract: we demonstrate that machine learning provides a powerful tool for discovering new approximate quantum error-correcting (aqec) codes beyond conventional algebraic frameworks. building upon results from hybrid quantum-classical learning, we construct two novel types of noise-strength-adapted (nsa) aqec codes, namely a self-complementary code and a pair-complementary code, which can outperform conventional codes for amplitude damping (ad) noise. the 4-qubit self-complementary nsa code outperforms its non-nsa counterpart in fidelity and knill-laflamme condition violation. the pair-complementary code, which has no known non-nsa analog, achieves even better performance with higher-order loss suppression and better fidelity. we further generalize both approaches to families of nsa ad codes of arbitrary system size, as well as an nsa variant of the 0-2-4 binomial code for single-photon loss. our results demonstrate that adaptation to noise strength can lead to significant improvements in error correction capability, and highlight how machine learning can help discover new valuable codes that may be missed through conventional algebraic approaches.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11783v1 announce type: new abstract: we demonstrate that machine learning provides a powerful tool for discovering new approximate quantum error-correcting (aqec) codes beyond conventional algebraic frameworks. building upon results from hybrid quantum-classical learning, we construct two novel types of noise-strength-adapted (nsa) aqec codes, namely a self-complementary code and a pair-complementary code, which can outperform conventional codes for amplitude damping (ad) noise. the 4-qubit self-complementary nsa code outperforms its non-nsa counterpart in fidelity and knill-laflamme condition violation. the pair-complementary code, which has no known non-nsa analog, achieves even better performance with higher-order loss suppression and better fidelity. we further generalize both approaches to families of nsa ad codes of arbitrary system size, as well as an nsa variant of the 0-2-4 binomial code for single-photon loss. our results demonstrate that adaptation to noise strength can lead to significant improvements in error correction capability, and highlight how machine learning can help discover new valuable codes that may be missed through conventional algebraic approaches."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
near-term fermionic simulation with subspace noise tailored quantum error mitigation|https://arxiv.org/abs/2503.11785|2025-03-18 00:00:00|684b255a3bbabbd444c20316d9af6ab259a75054965485544d7fafd76ccf79db

metadata:
{"title": "near-term fermionic simulation with subspace noise tailored quantum error mitigation", "link": "https://arxiv.org/abs/2503.11785", "original_description": "arxiv:2503.11785v1 announce type: new abstract: quantum error mitigation (qem) has emerged as a powerful tool for the extraction of useful quantum information from quantum devices. here, we introduce the subspace noise tailoring (snt) algorithm, which efficiently combines the cheap cost of symmetry verification (sv) and low bias of probabilistic error cancellation (pec) qem techniques. we study the performance of our method by simulating the trotterized time evolution of the spin-1/2 fermi-hubbard model (fhm) using a variety of local fermion-to-qubit encodings, which define a computational subspace through a set of stabilizers, the measurement of which can be used to post-select noisy quantum data. we study different combinations of qem and encodings and uncover a rich phase diagram of optimal combinations, depending on the hardware performance, system size and available shot budget. we then demonstrate how snt extends the reach of current noisy quantum computers in terms of the number of fermionic lattice sites and the number of trotter steps, and quantify the required hardware performance beyond which a noisy device may outperform classical computational methods.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11785v1 announce type: new abstract: quantum error mitigation (qem) has emerged as a powerful tool for the extraction of useful quantum information from quantum devices. here, we introduce the subspace noise tailoring (snt) algorithm, which efficiently combines the cheap cost of symmetry verification (sv) and low bias of probabilistic error cancellation (pec) qem techniques. we study the performance of our method by simulating the trotterized time evolution of the spin-1/2 fermi-hubbard model (fhm) using a variety of local fermion-to-qubit encodings, which define a computational subspace through a set of stabilizers, the measurement of which can be used to post-select noisy quantum data. we study different combinations of qem and encodings and uncover a rich phase diagram of optimal combinations, depending on the hardware performance, system size and available shot budget. we then demonstrate how snt extends the reach of current noisy quantum computers in terms of the number of fermionic lattice sites and the number of trotter steps, and quantify the required hardware performance beyond which a noisy device may outperform classical computational methods."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
nonequilibrium universality of a squeezing phase transition|https://arxiv.org/abs/2503.11802|2025-03-18 00:00:00|47d78dc776499afc1649a3726bce01f40fd629acadd077deefeefddc696ba121

metadata:
{"title": "nonequilibrium universality of a squeezing phase transition", "link": "https://arxiv.org/abs/2503.11802", "original_description": "arxiv:2503.11802v1 announce type: new abstract: we investigate phase transitions in the nonequilibrium dynamics of power-law interacting spin-1/2 bilayer xxz models, which have recently been shown to allow generation of entanglement in the form of two-mode squeezing. we find a transition between a phase characterized by heisenberg limited squeezing and a partially collective phase. we identify universal scaling of the squeezing dynamics in terms of system parameters and a divergent time-scale, establishing these as distinct dynamical phases. our work demonstrates a novel dynamical phase transition with potential applications in quantum sensing and quantum simulation in cold-atomic, molecular or rydberg platforms.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11802v1 announce type: new abstract: we investigate phase transitions in the nonequilibrium dynamics of power-law interacting spin-1/2 bilayer xxz models, which have recently been shown to allow generation of entanglement in the form of two-mode squeezing. we find a transition between a phase characterized by heisenberg limited squeezing and a partially collective phase. we identify universal scaling of the squeezing dynamics in terms of system parameters and a divergent time-scale, establishing these as distinct dynamical phases. our work demonstrates a novel dynamical phase transition with potential applications in quantum sensing and quantum simulation in cold-atomic, molecular or rydberg platforms."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
high-efficiency, low-loss floquet-mode traveling wave parametric amplifier characterization and measurement|https://arxiv.org/abs/2503.11812|2025-03-18 00:00:00|05c3e284e04f686f1d0a76ca1f8fa7730e4dd6de8001fbc3ea047ece3a1c3100

metadata:
{"title": "high-efficiency, low-loss floquet-mode traveling wave parametric amplifier characterization and measurement", "link": "https://arxiv.org/abs/2503.11812", "original_description": "arxiv:2503.11812v1 announce type: new abstract: advancing error-corrected quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum efficiency and multiplexing capability. however, existing solutions achieve one at the expense of the other. in this work, we experimentally demonstrate the first floquet-mode traveling-wave parametric amplifier (floquet twpa). fabricated in a superconducting-qubit process, our floquet twpa achieves minimal dissipation, quantum-limited noise performance, and broadband operation. our device exhibits $>20$-db amplification over a $3$-ghz instantaneous bandwidth, $<\\!0.5$-db average in-band insertion loss, and the highest-reported intrinsic quantum efficiency for a twpa of $92.1\\pm7.6\\%$, relative to an ideal phase-preserving amplifier. when measuring a superconducting qubit, our floquet twpa enables a system measurement efficiency of $65.1\\pm5.8\\%$, the highest-reported in a superconducting qubit readout experiment utilizing phase-preserving amplifiers to the best of our knowledge. these general-purpose floquet twpas are suitable for fast, high-fidelity multiplexed readout in large-scale quantum systems and future monolithic integration with quantum processors.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11812v1 announce type: new abstract: advancing error-corrected quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum efficiency and multiplexing capability. however, existing solutions achieve one at the expense of the other. in this work, we experimentally demonstrate the first floquet-mode traveling-wave parametric amplifier (floquet twpa). fabricated in a superconducting-qubit process, our floquet twpa achieves minimal dissipation, quantum-limited noise performance, and broadband operation. our device exhibits $>20$-db amplification over a $3$-ghz instantaneous bandwidth, $<\\!0.5$-db average in-band insertion loss, and the highest-reported intrinsic quantum efficiency for a twpa of $92.1\\pm7.6\\%$, relative to an ideal phase-preserving amplifier. when measuring a superconducting qubit, our floquet twpa enables a system measurement efficiency of $65.1\\pm5.8\\%$, the highest-reported in a superconducting qubit readout experiment utilizing phase-preserving amplifiers to the best of our knowledge. these general-purpose floquet twpas are suitable for fast, high-fidelity multiplexed readout in large-scale quantum systems and future monolithic integration with quantum processors."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
two-particle scattering on general graphs|https://arxiv.org/abs/2503.11823|2025-03-18 00:00:00|4d9f1c31da62d744ba8fecc062586da2e7ebd42ec77ee688ee3f5fb7a8133af8

metadata:
{"title": "two-particle scattering on general graphs", "link": "https://arxiv.org/abs/2503.11823", "original_description": "arxiv:2503.11823v1 announce type: new abstract: quantum walks in general graphs, or more specifically scattering on graphs, encompass enough complexity to perform universal quantum computation. any given quantum circuit can be broken down into single- and two-qubit gates, which then can be translated into subgraphs -- gadgets -- that implement such unitaries on the logical qubits, simulated by particles traveling along a sparse graph. in this work, we start to develop a full theory of multi-particle scattering on graphs and give initial applications to build multi-particle gadgets with different properties.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11823v1 announce type: new abstract: quantum walks in general graphs, or more specifically scattering on graphs, encompass enough complexity to perform universal quantum computation. any given quantum circuit can be broken down into single- and two-qubit gates, which then can be translated into subgraphs -- gadgets -- that implement such unitaries on the logical qubits, simulated by particles traveling along a sparse graph. in this work, we start to develop a full theory of multi-particle scattering on graphs and give initial applications to build multi-particle gadgets with different properties."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
application of the pontryagin maximum principle to the robust time-optimal control of two-level quantum systems|https://arxiv.org/abs/2503.11830|2025-03-18 00:00:00|217c675675ad30a8a02d6453c3a10d9c8a9feaf23baaeaedbcc91d57136f110f

metadata:
{"title": "application of the pontryagin maximum principle to the robust time-optimal control of two-level quantum systems", "link": "https://arxiv.org/abs/2503.11830", "original_description": "arxiv:2503.11830v1 announce type: new abstract: we study the time-optimal robust control of a two-level quantum system subjected to field inhomogeneities. we apply the pontryagin maximum principle and we introduce a reduced space onto which the optimal dynamics is projected down. this reduction leads to a complete analytical derivation of the optimal solution in terms of elliptic functions and elliptic integrals. necessary optimality conditions are then obtained for the original system. these conditions are verified numerically and lead to the optimal control protocol. various examples, ranging from state-to-state transfer to the generation of a not gate, illustrate this study. the connection with other geometric optimization approaches that have been used to solve this problem is also discussed.", "published": "2025-03-18 00:00:00", "category": "Academic Papers", "image": "svg", "chroma:document": "arxiv:2503.11830v1 announce type: new abstract: we study the time-optimal robust control of a two-level quantum system subjected to field inhomogeneities. we apply the pontryagin maximum principle and we introduce a reduced space onto which the optimal dynamics is projected down. this reduction leads to a complete analytical derivation of the optimal solution in terms of elliptic functions and elliptic integrals. necessary optimality conditions are then obtained for the original system. these conditions are verified numerically and lead to the optimal control protocol. various examples, ranging from state-to-state transfer to the generation of a not gate, illustrate this study. the connection with other geometric optimization approaches that have been used to solve this problem is also discussed."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
israel launches gaza strikes in biggest attack since ceasefire|https://www.ft.com/content/880503da-a915-4fe5-ad5e-deab8a00b669|2025-03-18 05:43:21|13996c4497cf672f073cafdaff3a708a9825153010ed1dbfbda9f58cbffe4d64

metadata:
{"title": "israel launches gaza strikes in biggest attack since ceasefire", "link": "https://www.ft.com/content/880503da-a915-4fe5-ad5e-deab8a00b669", "original_description": "more than 300 killed after netanyahu warns hamas will face \u2018increasing military strength\u2019", "published": "2025-03-18 05:43:21", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f0248b5f6-5abc-44f6-8e46-b54e977aa031.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "more than 300 killed after netanyahu warns hamas will face \u2018increasing military strength\u2019"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
why europe can’t rely on french nuclear umbrella alone|https://www.ft.com/content/7fed8f2b-98c7-43c6-88b3-d66be449bfac|2025-03-18 05:00:51|19c3f1b8ca52f7a1e3fb4975ccb2c587a66581cc214e16784ecee1b80472ca39

metadata:
{"title": "why europe can\u2019t rely on french nuclear umbrella alone", "link": "https://www.ft.com/content/7fed8f2b-98c7-43c6-88b3-d66be449bfac", "original_description": "france\u2019s president opens debate over using country\u2019s atomic arsenal as a deterrent against russia if us scales back its presence", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f97d47884-dba5-4e50-a053-ce92e7cb918f.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "france\u2019s president opens debate over using country\u2019s atomic arsenal as a deterrent against russia if us scales back its presence"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
europe courts us scientists fleeing trump crackdown|https://www.ft.com/content/cdcbe3df-9475-4816-9a95-0df64838566f|2025-03-18 05:00:51|e868a9afc02f67e4d557a12a6c4eb9c44393845e0a9e3e4e065988b69b2dcb6d

metadata:
{"title": "europe courts us scientists fleeing trump crackdown", "link": "https://www.ft.com/content/cdcbe3df-9475-4816-9a95-0df64838566f", "original_description": "cambridge university among institutions seeing chance to hire talent unsettled by us spending cuts", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2fa0ddcf10-9355-4304-a60c-392ab68c7ff3.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "cambridge university among institutions seeing chance to hire talent unsettled by us spending cuts"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
why do people keep buying printers they hate?|https://www.ft.com/content/b48b0ca3-48c7-45b8-8bc3-25e96701ffac|2025-03-18 05:00:51|cfb9558b8e9edf40f687e9b6adc9d2bb20cfe5523e6141f2c068a0ae2c09b988

metadata:
{"title": "why do people keep buying printers they hate?", "link": "https://www.ft.com/content/b48b0ca3-48c7-45b8-8bc3-25e96701ffac", "original_description": "a puzzling tale of capitalism and consumer psychology at a time of technological change", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f3944be15-7582-4d08-bec5-089cad7bc580.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "a puzzling tale of capitalism and consumer psychology at a time of technological change"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
short sellers make $16bn profit from tesla’s share price plunge|https://www.ft.com/content/2f48ad1b-627d-4ab0-8358-fb45e642a9fe|2025-03-18 05:00:51|656067b4c1bbddb2585fa082bb8b786b6f17970c1a3a3a24c213dc13bd1c6197

metadata:
{"title": "short sellers make $16bn profit from tesla\u2019s share price plunge", "link": "https://www.ft.com/content/2f48ad1b-627d-4ab0-8358-fb45e642a9fe", "original_description": "payday follows years of pain for hedge funds that bet against elon musk\u2019s electric carmaker", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2faed36056-57f2-41de-a7f0-38c56672e7ae.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "payday follows years of pain for hedge funds that bet against elon musk\u2019s electric carmaker"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
trump’s policies set to cool growth and lift inflation, economists say|https://www.ft.com/content/30e402da-c5d1-49b3-a88c-9f9ff133ae7c|2025-03-18 05:00:51|b916db40bdfbac5bccc0601489ecf6225b77b1f70b46cb76c1cb15ab30c89e21

metadata:
{"title": "trump\u2019s policies set to cool growth and lift inflation, economists say", "link": "https://www.ft.com/content/30e402da-c5d1-49b3-a88c-9f9ff133ae7c", "original_description": "ft-booth survey also signals rising concerns over quality of us economic data", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f73911a4f-0496-4722-8b66-42b675ca07af.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "ft-booth survey also signals rising concerns over quality of us economic data"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
merz ‘confident’ about germany’s make-or-break spending vote|https://www.ft.com/content/5e1ab855-49d6-495a-bc40-e722bc588557|2025-03-18 05:00:51|2c06891f95d17ff277f306c6dd5c4fc9ab7452d2018f2a833691d0196ed2226d

metadata:
{"title": "merz \u2018confident\u2019 about germany\u2019s make-or-break spending vote", "link": "https://www.ft.com/content/5e1ab855-49d6-495a-bc40-e722bc588557", "original_description": "chancellor-in-waiting needs two-thirds majority in emergency session of outgoing bundestag", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f40dc92bf-9825-483d-a855-723bb2bb1657.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "chancellor-in-waiting needs two-thirds majority in emergency session of outgoing bundestag"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
europe’s defence spending spree risks debt crisis, warns dutch politician|https://www.ft.com/content/f3bee78f-2e67-47db-b3f5-3860b0814edd|2025-03-18 05:00:51|aeed6ce59590551d6de85309a2e043ff64493d7c5c7bec8f08eb6035529f03e5

metadata:
{"title": "europe\u2019s defence spending spree risks debt crisis, warns dutch politician", "link": "https://www.ft.com/content/f3bee78f-2e67-47db-b3f5-3860b0814edd", "original_description": "pieter omtzigt says eu\u2019s \u20ac800bn military build-up could push up debt and interest rates", "published": "2025-03-18 05:00:51", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f44d9afb9-803f-44ee-841e-5890d323213b.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "pieter omtzigt says eu\u2019s \u20ac800bn military build-up could push up debt and interest rates"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
indonesian stocks tumble 7% on concerns over economy|https://www.ft.com/content/aae80518-0e3b-4d79-a2a3-339dfa162478|2025-03-18 07:03:26|7b54db16315bca04b751da2982b7cea9d3beb445e4f3779bee0d1f96abaf0b83

metadata:
{"title": "indonesian stocks tumble 7% on concerns over economy", "link": "https://www.ft.com/content/aae80518-0e3b-4d79-a2a3-339dfa162478", "original_description": "jakarta index among world\u2019s worst performers as slowing consumption and government spending rattle investors", "published": "2025-03-18 07:03:26", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2f13428999-0e41-493d-acb8-d2e1cbcb5cdb.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "jakarta index among world\u2019s worst performers as slowing consumption and government spending rattle investors"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
asian defence stocks soar to record highs as europe prepares to re-arm|https://www.ft.com/content/25226697-47ca-4701-a431-4b45cb85a635|2025-03-18 03:53:12|1e8d23ed2ecd3f91b7809b01dc8e790a7acd1ab2955afd3d58b3887660a91647

metadata:
{"title": "asian defence stocks soar to record highs as europe prepares to re-arm", "link": "https://www.ft.com/content/25226697-47ca-4701-a431-4b45cb85a635", "original_description": "japanese and south korean contractors gear up after donald trump threatens to withdraw us security umbrella", "published": "2025-03-18 03:53:12", "category": "Business", "image": "https://www.ft.com/__origami/service/image/v2/images/raw/https%3a%2f%2fd1e00ek4ebabms.cloudfront.net%2fproduction%2fd9a62f19-59ee-4754-b20d-fd9bc97e3cd7.jpg?source=next-home-page&dpr=2&width=580&fit=scale-down", "chroma:document": "japanese and south korean contractors gear up after donald trump threatens to withdraw us security umbrella"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
‘30 rock’ actor will arnett sells $20.2 million beverly hills home to paris hilton’s brother-in-law|https://www.marketwatch.com/story/30-rock-actor-will-arnett-sells-20-2-million-beverly-hills-home-to-paris-hiltons-brother-in-law-0386a301?mod=mw_rss_topstories|2025-03-18 09:04:00|e7681768e1131cffe3cc0b93f147066ff20618f88a1a24cda3a1963ac8671fad

metadata:
{"title": "\u201830 rock\u2019 actor will arnett sells $20.2 million beverly hills home to paris hilton\u2019s brother-in-law", "link": "https://www.marketwatch.com/story/30-rock-actor-will-arnett-sells-20-2-million-beverly-hills-home-to-paris-hiltons-brother-in-law-0386a301?mod=mw_rss_topstories", "original_description": "will arnett has sold his beverly hills home to none other than paris hilton\u2019s brother-in-law just 6 weeks after putting it on the market.", "published": "2025-03-18 09:04:00", "category": "Business", "image": "https://images.mktw.net/im-64725952", "chroma:document": "will arnett has sold his beverly hills home to none other than paris hilton\u2019s brother-in-law just 6 weeks after putting it on the market."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
longer-term treasury yields rise ahead of fed’s two-day policy meeting|https://www.marketwatch.com/story/longer-term-treasury-yields-rise-ahead-of-feds-two-day-policy-meeting-862d94f0?mod=mw_rss_topstories|2025-03-18 08:50:00|07875cc1bbb621df37acc4aa255ef169cba56bfa61a62ad51e9e87f1c8c71418

metadata:
{"title": "longer-term treasury yields rise ahead of fed\u2019s two-day policy meeting", "link": "https://www.marketwatch.com/story/longer-term-treasury-yields-rise-ahead-of-feds-two-day-policy-meeting-862d94f0?mod=mw_rss_topstories", "original_description": "bond yields inched higher as investors waited to see how the u.s. central bank may address recent signs of a slowing economy.", "published": "2025-03-18 08:50:00", "category": "Business", "image": "svg", "chroma:document": "bond yields inched higher as investors waited to see how the u.s. central bank may address recent signs of a slowing economy."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
‘in their last days, our parents changed their will’: they left me $250,000, but gave my sister $1 million. what should i do?|https://www.marketwatch.com/story/my-parents-left-me-250k-but-gave-my-irrational-and-neurotic-sister-1-million-would-you-sever-all-ties-a26e5c12?mod=mw_rss_topstories|2025-03-18 07:47:00|a02b14d715db6da21456336f5b6f18aa061c5a1715b2f01a5658dc8efc1e5014

metadata:
{"title": "\u2018in their last days, our parents changed their will\u2019: they left me $250,000, but gave my sister $1 million. what should i do?", "link": "https://www.marketwatch.com/story/my-parents-left-me-250k-but-gave-my-irrational-and-neurotic-sister-1-million-would-you-sever-all-ties-a26e5c12?mod=mw_rss_topstories", "original_description": "\u201chow many people maintain a relationship with their siblings after their parents died?\u201d", "published": "2025-03-18 07:47:00", "category": "Business", "image": "https://images.mktw.net/im-50549663", "chroma:document": "\u201chow many people maintain a relationship with their siblings after their parents died?\u201d"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
recession fears are mounting — powell’s stances on these 4 issues could dictate america’s economic path in months ahead|https://www.marketwatch.com/story/fed-is-likely-to-stand-pat-on-interest-rates-but-the-likelihood-of-bad-news-cuts-in-the-fall-is-rising-c6007555?mod=mw_rss_topstories|2025-03-18 02:33:00|31c305794d5cd49ddcd285bca33778dd64fb7a48f3ec4666d04fd1e696730b7e

metadata:
{"title": "recession fears are mounting \u2014 powell\u2019s stances on these 4 issues could dictate america\u2019s economic path in months ahead", "link": "https://www.marketwatch.com/story/fed-is-likely-to-stand-pat-on-interest-rates-but-the-likelihood-of-bad-news-cuts-in-the-fall-is-rising-c6007555?mod=mw_rss_topstories", "original_description": "the federal reserve will hold its benchmark interest rate steady at its meeting this week, economists say, as it remains in a \u201cwait-and-see\u201d mode until the effects of president donald trump\u2019s policies on the economic outlook become clearer.", "published": "2025-03-18 02:33:00", "category": "Business", "image": "https://images.mktw.net/im-63836993", "chroma:document": "the federal reserve will hold its benchmark interest rate steady at its meeting this week, economists say, as it remains in a \u201cwait-and-see\u201d mode until the effects of president donald trump\u2019s policies on the economic outlook become clearer."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
why cruise stocks are a buy now, according to this analyst|https://www.marketwatch.com/story/why-cruise-stocks-are-a-buy-now-according-to-this-analyst-f1de35e2?mod=mw_rss_topstories|2025-03-18 01:07:00|bf92934cfe6997009e53abefb2246d861f4b3e5ed924e7dd7b1342f960ccc28e

metadata:
{"title": "why cruise stocks are a buy now, according to this analyst", "link": "https://www.marketwatch.com/story/why-cruise-stocks-are-a-buy-now-according-to-this-analyst-f1de35e2?mod=mw_rss_topstories", "original_description": "cruise stocks have been falling, but j.p. morgan says buy because there have been no signs of reduced demand despite all the macro noise.", "published": "2025-03-18 01:07:00", "category": "Business", "image": "https://images.mktw.net/im-39363020", "chroma:document": "cruise stocks have been falling, but j.p. morgan says buy because there have been no signs of reduced demand despite all the macro noise."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
tesla sales have ‘significantly underperformed’ in all key regions, analyst says|https://www.marketwatch.com/story/tesla-sales-have-significantly-underperformed-in-all-key-regions-analyst-says-41d8e507?mod=mw_rss_topstories|2025-03-18 00:40:00|745309dea7c72593597516217ffe73d232d73ae7307ccf6088b5ca772d38e0b8

metadata:
{"title": "tesla sales have \u2018significantly underperformed\u2019 in all key regions, analyst says", "link": "https://www.marketwatch.com/story/tesla-sales-have-significantly-underperformed-in-all-key-regions-analyst-says-41d8e507?mod=mw_rss_topstories", "original_description": "mizuho lowers its price target by 16.5% to reflect all of the ev maker\u2019s current woes.", "published": "2025-03-18 00:40:00", "category": "Business", "image": "https://images.mktw.net/im-15954757", "chroma:document": "mizuho lowers its price target by 16.5% to reflect all of the ev maker\u2019s current woes."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
netflix has won the streaming wars. now what?|https://www.marketwatch.com/story/netflix-has-won-the-streaming-wars-now-what-d463e371?mod=mw_rss_topstories|2025-03-18 00:33:00|8e03c368b71182592df55a33195fa32568f192f93faccd49772bb29a7f224907

metadata:
{"title": "netflix has won the streaming wars. now what?", "link": "https://www.marketwatch.com/story/netflix-has-won-the-streaming-wars-now-what-d463e371?mod=mw_rss_topstories", "original_description": "analyst firm moffettnathanson is raising its price target for netflix, saying it sees huge upside for the platform\u2019s new advertising model as well as continued profit-margin growth.", "published": "2025-03-18 00:33:00", "category": "Business", "image": "https://images.mktw.net/im-85360562", "chroma:document": "analyst firm moffettnathanson is raising its price target for netflix, saying it sees huge upside for the platform\u2019s new advertising model as well as continued profit-margin growth."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
guess could become the next fashion company to go private after stock price halves in a year|https://www.marketwatch.com/story/guess-stock-soars-26-after-clothing-company-gets-13-a-share-cash-offer-809f80f5?mod=mw_rss_topstories|2025-03-18 00:23:00|6a46ec3d66ffcde2562073381cc7304bf310d9b298ced6f8f4da6b672c8f7cb8

metadata:
{"title": "guess could become the next fashion company to go private after stock price halves in a year", "link": "https://www.marketwatch.com/story/guess-stock-soars-26-after-clothing-company-gets-13-a-share-cash-offer-809f80f5?mod=mw_rss_topstories", "original_description": "guess inc.\u2019s stock soared 30% on monday after the maker of clothing, footwear and accessories said it received an offer from new york-based investment company whp global to take it private for $13 a share in cash.", "published": "2025-03-18 00:23:00", "category": "Business", "image": "https://images.mktw.net/im-74382337", "chroma:document": "guess inc.\u2019s stock soared 30% on monday after the maker of clothing, footwear and accessories said it received an offer from new york-based investment company whp global to take it private for $13 a share in cash."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
lucid is looking for a new ceo. why that may be a good thing.|https://www.marketwatch.com/story/lucid-is-looking-for-a-new-ceo-why-that-may-be-a-good-thing-e8b241cf?mod=mw_rss_topstories|2025-03-18 00:14:00|01f3d9d0770588301bc7542606163f87ebd061ea9408a5095a01c049c6ef3b64

metadata:
{"title": "lucid is looking for a new ceo. why that may be a good thing.", "link": "https://www.marketwatch.com/story/lucid-is-looking-for-a-new-ceo-why-that-may-be-a-good-thing-e8b241cf?mod=mw_rss_topstories", "original_description": "change afoot at lucid might be a chance to play a bigger role in evs and ai.", "published": "2025-03-18 00:14:00", "category": "Business", "image": "https://images.mktw.net/im-41309247", "chroma:document": "change afoot at lucid might be a chance to play a bigger role in evs and ai."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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pepsi will pay $1.7 billion for a soft-drink company that got its start on ‘shark tank’|https://www.marketwatch.com/story/pepsi-boosts-healthy-offerings-with-poppi-a-maker-of-prebiotic-drinks-8ceb9d31?mod=mw_rss_topstories|2025-03-17 23:23:00|fb6a06ad59d26f12ed7c9df558657df4dfcdb5a1e6c2ba2dba190e1d4d58c527

metadata:
{"title": "pepsi will pay $1.7 billion for a soft-drink company that got its start on \u2018shark tank\u2019", "link": "https://www.marketwatch.com/story/pepsi-boosts-healthy-offerings-with-poppi-a-maker-of-prebiotic-drinks-8ceb9d31?mod=mw_rss_topstories", "original_description": "pepsi looks to boost its healthy offerings with poppi, a maker of prebiotic drinks.", "published": "2025-03-17 23:23:00", "category": "Business", "image": "https://images.mktw.net/im-60143068", "chroma:document": "pepsi looks to boost its healthy offerings with poppi, a maker of prebiotic drinks."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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doj seeks to boot judge questioning trump deportations, lawyer warns of 'constitutional crisis'|https://www.cnbc.com/2025/03/17/trump-deportation-order-venezuela-gang-judge-alien-enemies.html|2025-03-17 22:53:15|a06e8c32893932171693db7003ef6117cdf36a2814fb2786d26df8eaa2d6778a

metadata:
{"title": "doj seeks to boot judge questioning trump deportations, lawyer warns of 'constitutional crisis'", "link": "https://www.cnbc.com/2025/03/17/trump-deportation-order-venezuela-gang-judge-alien-enemies.html", "original_description": "the trump administration has used the wartime alien enemies act to deport hundreds of alleged venezuelan gang members to central america.", "published": "2025-03-17 22:53:15", "category": "Business", "image": "svg", "chroma:document": "the trump administration has used the wartime alien enemies act to deport hundreds of alleged venezuelan gang members to central america."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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trump picks fed governor michelle bowman to replace michael barr as fed's supervision head|https://www.cnbc.com/2025/03/17/trump-picks-fed-governor-michelle-bowman-to-replace-michael-barr-as-feds-supervision-head.html|2025-03-17 21:49:38|f0a347eee9c8f9454e609416cbe1799b3c9a50f80d7b78db1dc6ac9821ffb244

metadata:
{"title": "trump picks fed governor michelle bowman to replace michael barr as fed's supervision head", "link": "https://www.cnbc.com/2025/03/17/trump-picks-fed-governor-michelle-bowman-to-replace-michael-barr-as-feds-supervision-head.html", "original_description": "bowman will have a key role in bank oversight as part of her new role.", "published": "2025-03-17 21:49:38", "category": "Business", "image": "svg", "chroma:document": "bowman will have a key role in bank oversight as part of her new role."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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byd's shares rally after rolling out new technology it claims charges evs in five minutes|https://www.cnbc.com/2025/03/18/byd-shares-surge-after-ev-giant-announces-new-fast-charging-technology.html|2025-03-18 06:58:53|4cd85837bc3d06f465c0644acdbce64bac56c068267068aa207531114d244304

metadata:
{"title": "byd's shares rally after rolling out new technology it claims charges evs in five minutes", "link": "https://www.cnbc.com/2025/03/18/byd-shares-surge-after-ev-giant-announces-new-fast-charging-technology.html", "original_description": "byd shares jumped on tuesday after the company announced a new technology that allows electric cars to be charged at a far faster rate than what rivals offer.", "published": "2025-03-18 06:58:53", "category": "Business", "image": "svg", "chroma:document": "byd shares jumped on tuesday after the company announced a new technology that allows electric cars to be charged at a far faster rate than what rivals offer."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
trump's world liberty financial crypto project says it sold $550 million in tokens|https://www.cnbc.com/2025/03/17/trump-world-liberty-financial-crypto-sold-550-million-in-tokens.html|2025-03-17 22:58:22|3b626b20091c61cb6a347d1b9f4915e5983ae9975b66b0bd7cd75bf5b4031d9c

metadata:
{"title": "trump's world liberty financial crypto project says it sold $550 million in tokens", "link": "https://www.cnbc.com/2025/03/17/trump-world-liberty-financial-crypto-sold-550-million-in-tokens.html", "original_description": "world liberty financial said it completed its second token sale, bringing in $550 million.", "published": "2025-03-17 22:58:22", "category": "Business", "image": "svg", "chroma:document": "world liberty financial said it completed its second token sale, bringing in $550 million."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
shares in japan's largest trading houses rally after buffett’s berkshire hikes stake|https://www.cnbc.com/2025/03/18/itochu-marubeni-mitsubishi-mitsui-sumitomo-shares-rally-buffett-berkshire-hikes-stake.html|2025-03-18 06:08:30|b0e0691e541dc87cea908447ab216f488aab55e862c35c21f725c7ebec365bc3

metadata:
{"title": "shares in japan's largest trading houses rally after buffett\u2019s berkshire hikes stake", "link": "https://www.cnbc.com/2025/03/18/itochu-marubeni-mitsubishi-mitsui-sumitomo-shares-rally-buffett-berkshire-hikes-stake.html", "original_description": "shares in itochu, marubeni, mitsubishi, mitsui and sumitomo were up at least 4% shortly after the open.", "published": "2025-03-18 06:08:30", "category": "Business", "image": "svg", "chroma:document": "shares in itochu, marubeni, mitsubishi, mitsui and sumitomo were up at least 4% shortly after the open."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
baidu shares jump 10% following release of new free-to-use ai models|https://www.cnbc.com/2025/03/18/baidu-shares-jump-10percent-following-release-of-new-open-source-ai-models-.html|2025-03-18 07:47:20|e6f487e12a4b6705662b4316df4d1038f464ade31f36fb94f9ee8241fa404ce6

metadata:
{"title": "baidu shares jump 10% following release of new free-to-use ai models", "link": "https://www.cnbc.com/2025/03/18/baidu-shares-jump-10percent-following-release-of-new-open-source-ai-models-.html", "original_description": "shares of chinese tech giant baidu were trading up 10% in trading in asia, as investors reacted positively to a spate of ai model releases over the weekend.", "published": "2025-03-18 07:47:20", "category": "Business", "image": "svg", "chroma:document": "shares of chinese tech giant baidu were trading up 10% in trading in asia, as investors reacted positively to a spate of ai model releases over the weekend."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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boeing starliner astronauts who were supposed to be in space for nine days returning to earth after nine months on iss|https://www.cnbc.com/2025/03/18/boeing-starliner-astronauts-butch-wilmore-suni-williams-returning-spacex-iss.html|2025-03-18 06:38:48|0e20e62141897b4c0503d0953dbea13eca6f26bcf50ca6cabd16298623ad0815

metadata:
{"title": "boeing starliner astronauts who were supposed to be in space for nine days returning to earth after nine months on iss", "link": "https://www.cnbc.com/2025/03/18/boeing-starliner-astronauts-butch-wilmore-suni-williams-returning-spacex-iss.html", "original_description": "two nasa astronauts are heading home on a spacex ship after about nine months at the international space station.", "published": "2025-03-18 06:38:48", "category": "Business", "image": "svg", "chroma:document": "two nasa astronauts are heading home on a spacex ship after about nine months at the international space station."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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klarna, nearing ipo, plucks lucrative walmart fintech partnership from rival affirm|https://www.cnbc.com/2025/03/17/walmart-klarna-nearing-ipo-wins-fintech-partnership-from-affirm.html|2025-03-17 21:14:32|ea505ea68d892d6576bebbc9b15054db8c11173fd16a8e316e92e9a6233a2821

metadata:
{"title": "klarna, nearing ipo, plucks lucrative walmart fintech partnership from rival affirm", "link": "https://www.cnbc.com/2025/03/17/walmart-klarna-nearing-ipo-wins-fintech-partnership-from-affirm.html", "original_description": "the deal with walmart heightens the rivalry between affirm and klarna, two of the world's biggest bnpl players, just as klarna is set to go public.", "published": "2025-03-17 21:14:32", "category": "Business", "image": "svg", "chroma:document": "the deal with walmart heightens the rivalry between affirm and klarna, two of the world's biggest bnpl players, just as klarna is set to go public."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
software startup rippling sues competitor deel, claiming a spy carried out 'corporate espionage'|https://www.cnbc.com/2025/03/17/startup-rippling-sues-competitor-deel-claiming-a-spy-stole-sales-data.html|2025-03-18 00:27:11|803386796bf96aa1101693e0659b5f4508572166a5e5505c228327e72904bda1

metadata:
{"title": "software startup rippling sues competitor deel, claiming a spy carried out 'corporate espionage'", "link": "https://www.cnbc.com/2025/03/17/startup-rippling-sues-competitor-deel-claiming-a-spy-stole-sales-data.html", "original_description": "rippling unknowingly hired a person who downloaded internal records and met with leadership at competitor deel, the lawsuit claims.", "published": "2025-03-18 00:27:11", "category": "Business", "image": "svg", "chroma:document": "rippling unknowingly hired a person who downloaded internal records and met with leadership at competitor deel, the lawsuit claims."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
baidu, once china’s generative ai leader, is battling to regain its position|https://www.cnbc.com/2025/03/18/baidu-once-chinas-generative-ai-leader-is-battling-to-regain-its-position.html|2025-03-18 07:46:33|5181bfd927d3b68e6bf44c41ad6e20cd14ce78720b343c5033f6a92ce865ece4

metadata:
{"title": "baidu, once china\u2019s generative ai leader, is battling to regain its position", "link": "https://www.cnbc.com/2025/03/18/baidu-once-chinas-generative-ai-leader-is-battling-to-regain-its-position.html", "original_description": "baidu has released two new open-source ai models, including a reasoning model, as it vies to regain a leading position in china\u2019s ai space.", "published": "2025-03-18 07:46:33", "category": "Business", "image": "svg", "chroma:document": "baidu has released two new open-source ai models, including a reasoning model, as it vies to regain a leading position in china\u2019s ai space."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
cash remittances up 2.9% in january|https://www.bworldonline.com/top-stories/2025/03/18/659978/cash-remittances-up-2-9-in-january/|2025-03-17 16:33:09|25c5d4d22103ba580abd779c418318b0b4fb417092189355c84290dd3a4e02c9

metadata:
{"title": "cash remittances up 2.9% in january", "link": "https://www.bworldonline.com/top-stories/2025/03/18/659978/cash-remittances-up-2-9-in-january/", "original_description": "by luisa maria jacinta c. jocson, reporter money sent home by migrant filipinos rose by 2.9% year on year in january, the bangko sentral ng pilipinas (bsp) said on monday. cash remittances from overseas filipino workers (ofws) coursed through banks increased by 2.9% to $2.92 billion in january from $2.84 billion in the same month [&#8230;]", "published": "2025-03-17 16:33:09", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/us-dollar-currency-2-300x200.jpg", "chroma:document": "by luisa maria jacinta c. jocson, reporter money sent home by migrant filipinos rose by 2.9% year on year in january, the bangko sentral ng pilipinas (bsp) said on monday. cash remittances from overseas filipino workers (ofws) coursed through banks increased by 2.9% to $2.92 billion in january from $2.84 billion in the same month [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
inflation could overshoot 2-4% range in second half — bsp|https://www.bworldonline.com/top-stories/2025/03/18/659977/inflation-could-overshoot-2-4-range-in-second-half-bsp/|2025-03-17 16:32:08|198a99243c140b404db29deae7e5d6eb3114ee80fb3b651bc3ea6cd3a6866587

metadata:
{"title": "inflation could overshoot 2-4% range in second half \u2014 bsp", "link": "https://www.bworldonline.com/top-stories/2025/03/18/659977/inflation-could-overshoot-2-4-range-in-second-half-bsp/", "original_description": "the bangko sentral ng pilipinas (bsp) said inflation could overshoot the 2-4% target range in the second half of this year amid base effects. in its latest monetary policy report, the central bank said annual inflation is likely to settle within the 2-4% target band from this year to 2026 amid declining rice prices. \u201chowever, [&#8230;]", "published": "2025-03-17 16:32:08", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/public-market-300x200.jpg", "chroma:document": "the bangko sentral ng pilipinas (bsp) said inflation could overshoot the 2-4% target range in the second half of this year amid base effects. in its latest monetary policy report, the central bank said annual inflation is likely to settle within the 2-4% target band from this year to 2026 amid declining rice prices. \u201chowever, [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
below-target growth likely in 1st half of 2025|https://www.bworldonline.com/top-stories/2025/03/18/659979/below-target-growth-likely-in-1st-half-of-2025/|2025-03-17 16:31:09|9f426cf8f36496277709277f06d65809a3904f47722cc986f0369303e284a85d

metadata:
{"title": "below-target growth likely in 1st half of 2025", "link": "https://www.bworldonline.com/top-stories/2025/03/18/659979/below-target-growth-likely-in-1st-half-of-2025/", "original_description": "philippine economic growth is likely to fall short of the government\u2019s target in the first two quarters, globalsource partners said. \u201cour assessments show that gdp (gross domestic product) may be expected to increase within a narrow band over the next two quarters \u2014 rising from just above 5.7% in first quarter to approximately 5.9% in [&#8230;]", "published": "2025-03-17 16:31:09", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/infra-construction-building-300x200.jpg", "chroma:document": "philippine economic growth is likely to fall short of the government\u2019s target in the first two quarters, globalsource partners said. \u201cour assessments show that gdp (gross domestic product) may be expected to increase within a narrow band over the next two quarters \u2014 rising from just above 5.7% in first quarter to approximately 5.9% in [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
actis invests $600m for 40% stake in mterra solar|https://www.bworldonline.com/corporate/2025/03/18/659939/actis-invests-600m-for-40-stake-in-mterra-solar/|2025-03-17 16:12:12|7204649430df2b845bbf585b943571ca28be4a6ed7f2fd15961b310928823b18

metadata:
{"title": "actis invests $600m for 40% stake in mterra solar", "link": "https://www.bworldonline.com/corporate/2025/03/18/659939/actis-invests-600m-for-40-stake-in-mterra-solar/", "original_description": "mgen renewable energy, inc. (mgreen), through its subsidiary sp new energy corp. (spnec), said global investment firm actis rubyred (singapore) pte. ltd. has completed a $600-million transaction to acquire a 40% equity stake in mterra solar, mgreen\u2019s solar development platform. \u201cthis landmark investment marks a major step forward in our mission to accelerate the clean [&#8230;]", "published": "2025-03-17 16:12:12", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/mterra-solar-300x200.jpg", "chroma:document": "mgen renewable energy, inc. (mgreen), through its subsidiary sp new energy corp. (spnec), said global investment firm actis rubyred (singapore) pte. ltd. has completed a $600-million transaction to acquire a 40% equity stake in mterra solar, mgreen\u2019s solar development platform. \u201cthis landmark investment marks a major step forward in our mission to accelerate the clean [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
smc leads power generation with 22.44% market share — erc|https://www.bworldonline.com/corporate/2025/03/18/659948/smc-leads-power-generation-with-22-44-market-share-erc/|2025-03-17 16:11:31|53a4cc8cd52cf1147b1897113cf730cd8309880ff9d88517dba1c26c68f9a5ff

metadata:
{"title": "smc leads power generation with 22.44% market share \u2014 erc", "link": "https://www.bworldonline.com/corporate/2025/03/18/659948/smc-leads-power-generation-with-22-44-market-share-erc/", "original_description": "the energy regulatory commission (erc) said san miguel corp. (smc) dominated the power generation sector with a 22.44% market share of the national grid as of end-2024. smc overtook aboitiz equity ventures (aev), the investment arm of the aboitiz group that controls aboitiz power, as the country\u2019s largest power producer in terms of installed generating [&#8230;]", "published": "2025-03-17 16:11:31", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/san-miguel-global-power-300x183.jpg", "chroma:document": "the energy regulatory commission (erc) said san miguel corp. (smc) dominated the power generation sector with a 22.44% market share of the national grid as of end-2024. smc overtook aboitiz equity ventures (aev), the investment arm of the aboitiz group that controls aboitiz power, as the country\u2019s largest power producer in terms of installed generating [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
telcos to see modest growth, sustain strong credit profile, says creditsights|https://www.bworldonline.com/corporate/2025/03/18/659994/telcos-to-see-modest-growth-sustain-strong-credit-profile-says-creditsights/|2025-03-17 16:10:59|7d3a6540f3cea404c3215fe5e7d603a278edec4a5f4bd79378bc8a248942034b

metadata:
{"title": "telcos to see modest growth, sustain strong credit profile, says creditsights", "link": "https://www.bworldonline.com/corporate/2025/03/18/659994/telcos-to-see-modest-growth-sustain-strong-credit-profile-says-creditsights/", "original_description": "philippine telecommunications (telco) companies are expected to see modest growth this year while maintaining a strong credit profile, driven by continued data and broadband expansion, according to financial research firm creditsights. \u201coverall, we are comfortable with the resilient credit profiles of both globe and pldt, underpinned by their leading mobile and broadband market positions in [&#8230;]", "published": "2025-03-17 16:10:59", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2024/01/briefs-6-telco-bw-file-photo-300x169.jpg", "chroma:document": "philippine telecommunications (telco) companies are expected to see modest growth this year while maintaining a strong credit profile, driven by continued data and broadband expansion, according to financial research firm creditsights. \u201coverall, we are comfortable with the resilient credit profiles of both globe and pldt, underpinned by their leading mobile and broadband market positions in [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
maynilad targets july 10 for ipo|https://www.bworldonline.com/corporate/2025/03/18/659995/maynilad-targets-july-10-for-ipo/|2025-03-17 16:09:59|aeb6f3fa31dd8dff15fd970f99e8c14f5b9d6a789fbcb30abaf75921ff7c3a23

metadata:
{"title": "maynilad targets july 10 for ipo", "link": "https://www.bworldonline.com/corporate/2025/03/18/659995/maynilad-targets-july-10-for-ipo/", "original_description": "west zone water concessionaire maynilad water services is targeting a july 10 listing for its p49.15-billion initial public offering (ipo). the water provider filed a registration statement with the securities and exchange commission and a listing application with the philippine stock exchange (pse) for the ipo on monday, maynilad said in an e-mail statement. the [&#8230;]", "published": "2025-03-17 16:09:59", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/maynilad-water-treatment-facility-300x200.jpg", "chroma:document": "west zone water concessionaire maynilad water services is targeting a july 10 listing for its p49.15-billion initial public offering (ipo). the water provider filed a registration statement with the securities and exchange commission and a listing application with the philippine stock exchange (pse) for the ipo on monday, maynilad said in an e-mail statement. the [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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sm prime to expand solar energy capacity this year|https://www.bworldonline.com/corporate/2025/03/18/659938/sm-prime-to-expand-solar-energy-capacity-this-year/|2025-03-17 16:08:12|727c0ad833e94fdca7efb4fb5538b819b48bbf98ff9b30db715f381f41044134

metadata:
{"title": "sm prime to expand solar energy capacity this year", "link": "https://www.bworldonline.com/corporate/2025/03/18/659938/sm-prime-to-expand-solar-energy-capacity-this-year/", "original_description": "sy-led property developer sm prime holdings, inc. plans to expand its solar energy capacity this year as part of its sustainability initiatives. the company aims to add 20 solar rooftop projects to optimize power consumption and enhance resilience against fluctuating energy costs, sm prime said in a regulatory filing on monday. sm prime currently operates [&#8230;]", "published": "2025-03-17 16:08:12", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/02/solar_panel_sm-300x200.jpg", "chroma:document": "sy-led property developer sm prime holdings, inc. plans to expand its solar energy capacity this year as part of its sustainability initiatives. the company aims to add 20 solar rooftop projects to optimize power consumption and enhance resilience against fluctuating energy costs, sm prime said in a regulatory filing on monday. sm prime currently operates [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
sugar, renewables drag urc income down 2% to p12.5b|https://www.bworldonline.com/corporate/2025/03/18/659937/sugar-renewables-drag-urc-income-down-2-to-p12-5b/|2025-03-17 16:07:11|215a4246c4cc76e2677229ac546c6c240c881279682d3c8b77482be917e80878

metadata:
{"title": "sugar, renewables drag urc income down 2% to p12.5b", "link": "https://www.bworldonline.com/corporate/2025/03/18/659937/sugar-renewables-drag-urc-income-down-2-to-p12-5b/", "original_description": "gokongwei-led food and beverage manufacturer universal robina corp. (urc) saw its net income decline by 2% to p12.5 billion in 2024 from p12.8 billion in 2023, weighed down by lower profit from its sugar and renewables segment. sales rose by 3% to p161.9 billion on volume growth across all divisions, urc said in a regulatory [&#8230;]", "published": "2025-03-17 16:07:11", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2024/10/factory-worker-1-300x169.jpg", "chroma:document": "gokongwei-led food and beverage manufacturer universal robina corp. (urc) saw its net income decline by 2% to p12.5 billion in 2024 from p12.8 billion in 2023, weighed down by lower profit from its sugar and renewables segment. sales rose by 3% to p161.9 billion on volume growth across all divisions, urc said in a regulatory [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
cinepanalo 2025 pocket reviews: diving deep and finding limitations|https://www.bworldonline.com/arts-and-leisure/2025/03/18/659745/cinepanalo-2025-pocket-reviews-diving-deep-and-finding-limitations/|2025-03-17 16:06:55|8f57e004603c0a4402a4b49eb997afd6ff24177fb6784a11f194d0fc936a0157

metadata:
{"title": "cinepanalo 2025 pocket reviews: diving deep and finding limitations", "link": "https://www.bworldonline.com/arts-and-leisure/2025/03/18/659745/cinepanalo-2025-pocket-reviews-diving-deep-and-finding-limitations/", "original_description": "while the seven full-length films and 24 student-led shorts of the 2nd edition of puregold\u2019s cinepanalo film festival provide an exciting array of stories from all over the philippines to see, a shadow looms over the event due to a stark omission.", "published": "2025-03-17 16:06:55", "category": "Business", "image": "https://www.bworldonline.com/wp-content/uploads/2025/03/salum-poster-thumb-300x200.jpg", "chroma:document": "while the seven full-length films and 24 student-led shorts of the 2nd edition of puregold\u2019s cinepanalo film festival provide an exciting array of stories from all over the philippines to see, a shadow looms over the event due to a stark omission."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
euro, stocks rise ahead of landmark german spending vote|https://www.investing.com/news/stock-market-news/hong-kong-stocks-and-kiwi-rise-on-china-outlook-3933127|2025-03-18 09:05:44|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "euro, stocks rise ahead of landmark german spending vote", "link": "https://www.investing.com/news/stock-market-news/hong-kong-stocks-and-kiwi-rise-on-china-outlook-3933127", "original_description": "", "published": "2025-03-18 09:05:44", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h02x_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
explainer-why are chinese automakers like byd launching fast-charging ev systems?|https://www.investing.com/news/stock-market-news/explainerwhy-are-chinese-automakers-like-byd-launching-fastcharging-ev-systems-3933173|2025-03-18 09:01:14|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "explainer-why are chinese automakers like byd launching fast-charging ev systems?", "link": "https://www.investing.com/news/stock-market-news/explainerwhy-are-chinese-automakers-like-byd-launching-fastcharging-ev-systems-3933173", "original_description": "", "published": "2025-03-18 09:01:14", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h080_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
china's xiaomi raises ev delivery target for 2025 to 350,000|https://www.investing.com/news/stock-market-news/chinas-xiaomi-raises-ev-delivery-target-for-2025-to-350000-3933292|2025-03-18 08:55:52|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "china's xiaomi raises ev delivery target for 2025 to 350,000", "link": "https://www.investing.com/news/stock-market-news/chinas-xiaomi-raises-ev-delivery-target-for-2025-to-350000-3933292", "original_description": "", "published": "2025-03-18 08:55:52", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h0cs_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
blackrock, vanguard, state street ask court to dismiss us antitrust lawsuit|https://www.investing.com/news/stock-market-news/blackrock-vanguard-state-street-ask-court-to-dismiss-us-antitrust-lawsuit-3933129|2025-03-18 08:51:38|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "blackrock, vanguard, state street ask court to dismiss us antitrust lawsuit", "link": "https://www.investing.com/news/stock-market-news/blackrock-vanguard-state-street-ask-court-to-dismiss-us-antitrust-lawsuit-3933129", "original_description": "", "published": "2025-03-18 08:51:38", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h038_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
trustpilot beats 2024 forecasts, raises 2025 outlook with strong ebitda growth|https://www.investing.com/news/stock-market-news/trustpilot-beats-2024-forecasts-raises-2025-outlook-with-strong-ebitda-growth-3933278|2025-03-18 08:38:04|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "trustpilot beats 2024 forecasts, raises 2025 outlook with strong ebitda growth", "link": "https://www.investing.com/news/stock-market-news/trustpilot-beats-2024-forecasts-raises-2025-outlook-with-strong-ebitda-growth-3933278", "original_description": "", "published": "2025-03-18 08:38:04", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/news/lynxmpea7h0nx_m.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
end of u.s. exceptionalism drives ‘bull crash’ in investor sentiment: bofa|https://www.investing.com/news/stock-market-news/end-of-us-exceptionalism-drives-bull-crash-in-investor-sentiment-bofa-3933277|2025-03-18 08:36:03|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "end of u.s. exceptionalism drives \u2018bull crash\u2019 in investor sentiment: bofa", "link": "https://www.investing.com/news/stock-market-news/end-of-us-exceptionalism-drives-bull-crash-in-investor-sentiment-bofa-3933277", "original_description": "", "published": "2025-03-18 08:36:03", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/news/lynxmpee2j0b6-orubs_m.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
indonesia stocks lower at close of trade; idx composite index down 4.11%|https://www.investing.com/news/stock-market-news/indonesia-stocks-lower-at-close-of-trade-idx-composite-index-down-411-3933276|2025-03-18 08:35:03|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "indonesia stocks lower at close of trade; idx composite index down 4.11%", "link": "https://www.investing.com/news/stock-market-news/indonesia-stocks-lower-at-close-of-trade-idx-composite-index-down-411-3933276", "original_description": "", "published": "2025-03-18 08:35:03", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/news/lynxmped120ze_m.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
kingswood holdings accepts $62.4m takeover bid from hsq investment|https://www.investing.com/news/stock-market-news/kingswood-holdings-accepts-624m-takeover-bid-from-hsq-investment-93ch-3933273|2025-03-18 08:34:05|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "kingswood holdings accepts $62.4m takeover bid from hsq investment", "link": "https://www.investing.com/news/stock-market-news/kingswood-holdings-accepts-624m-takeover-bid-from-hsq-investment-93ch-3933273", "original_description": "", "published": "2025-03-18 08:34:05", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/news/lynxnpec0d0ap_m.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
german shares rise ahead of vote on debt reforms|https://www.investing.com/news/stock-market-news/german-shares-rise-ahead-of-vote-on-debt-reforms-3933268|2025-03-18 08:26:20|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "german shares rise ahead of vote on debt reforms", "link": "https://www.investing.com/news/stock-market-news/german-shares-rise-ahead-of-vote-on-debt-reforms-3933268", "original_description": "", "published": "2025-03-18 08:26:20", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h0c6_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
nasa astronauts head home on spacex capsule after drawn-out space station stay|https://www.investing.com/news/stock-market-news/nasa-astronauts-head-home-on-spacex-capsule-after-drawnout-space-station-stay-3933149|2025-03-18 08:21:15|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "nasa astronauts head home on spacex capsule after drawn-out space station stay", "link": "https://www.investing.com/news/stock-market-news/nasa-astronauts-head-home-on-spacex-capsule-after-drawnout-space-station-stay-3933149", "original_description": "", "published": "2025-03-18 08:21:15", "category": "Stocks & Markets", "image": "https://i-invdn-com.investing.com/trkd-images/lynxmpel2h05z_l.jpg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
ai that can match humans at any task will be here in five to 10 years, google deepmind ceo says|https://www.cnbc.com/2025/03/17/human-level-ai-will-be-here-in-5-to-10-years-deepmind-ceo-says.html|2025-03-17 14:05:24|c46ef0a8b13ee12efc9e953dc91741b6fa5de8e3dbe4f56acbe07eb26ac2adb2

metadata:
{"title": "ai that can match humans at any task will be here in five to 10 years, google deepmind ceo says", "link": "https://www.cnbc.com/2025/03/17/human-level-ai-will-be-here-in-5-to-10-years-deepmind-ceo-says.html", "original_description": "google deepmind ceo demis hassabis said he thinks artificial general intelligence, or agi, will emerge in the next five or 10 years.", "published": "2025-03-17 14:05:24", "category": "Business", "image": "svg", "chroma:document": "google deepmind ceo demis hassabis said he thinks artificial general intelligence, or agi, will emerge in the next five or 10 years."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
singapore is more expensive than regional peers. so it's using a different playbook to attract visitors|https://www.cnbc.com/2025/03/17/is-singapore-expensive-yes-but-travelers-visit-for-other-reasons.html|2025-03-18 01:58:09|a5b796cecca68aeadc642d11c8c0395eeb9a1d0514db8fdfa5168d3f5df51af7

metadata:
{"title": "singapore is more expensive than regional peers. so it's using a different playbook to attract visitors", "link": "https://www.cnbc.com/2025/03/17/is-singapore-expensive-yes-but-travelers-visit-for-other-reasons.html", "original_description": "singapore is one of the most expensive cities in the world, so it's using world-class attractions, business conferences and live events to attract visitors.", "published": "2025-03-18 01:58:09", "category": "Business", "image": "svg", "chroma:document": "singapore is one of the most expensive cities in the world, so it's using world-class attractions, business conferences and live events to attract visitors."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
cnbc daily open: markets rise for the second day as u.s. consumers continue spending|https://www.cnbc.com/2025/03/18/cnbc-daily-open-markets-rise-as-us-consumers-continue-spending.html|2025-03-18 07:30:01|64ba667911eb073eb79b8d5697bf49e8689bf07d8a4fc47e8fac7f94de4d6be1

metadata:
{"title": "cnbc daily open: markets rise for the second day as u.s. consumers continue spending", "link": "https://www.cnbc.com/2025/03/18/cnbc-daily-open-markets-rise-as-us-consumers-continue-spending.html", "original_description": "the adage to never bet against the u.s. consumer still holds true \u2014 to some degree. february retail sales, while lower than expected, rose from a month before.", "published": "2025-03-18 07:30:01", "category": "Business", "image": "svg", "chroma:document": "the adage to never bet against the u.s. consumer still holds true \u2014 to some degree. february retail sales, while lower than expected, rose from a month before."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
billionaire ray dalio attributes his success to meditation — and shares his 'best advice' for others|https://www.cnbc.com/2025/03/18/billionaire-ray-dalio-says-this-is-his-best-advice-for-success.html|2025-03-18 01:02:53|981a360f404c2465604943d3224702c1e291aeab0f66163fc2570cd9d8e26d7d

metadata:
{"title": "billionaire ray dalio attributes his success to meditation \u2014 and shares his 'best advice' for others", "link": "https://www.cnbc.com/2025/03/18/billionaire-ray-dalio-says-this-is-his-best-advice-for-success.html", "original_description": "\"whatever success i've had in life, has been more due to my meditating than anything else,\" said ray dalio, founder of bridgewater associates.", "published": "2025-03-18 01:02:53", "category": "Business", "image": "svg", "chroma:document": "\"whatever success i've had in life, has been more due to my meditating than anything else,\" said ray dalio, founder of bridgewater associates."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
u.s. and global economic outlooks cut by oecd as trump's trade tariffs weigh on growth|https://www.cnbc.com/2025/03/17/oecd-cuts-us-and-global-economic-growth-outlooks-as-trumps-trade-tariffs-weigh.html|2025-03-17 12:16:50|5ba17934c2cc6dac4d9d7a8946d3b9b1cc16626bef8acdfb91d935ca2a64b5d8

metadata:
{"title": "u.s. and global economic outlooks cut by oecd as trump's trade tariffs weigh on growth", "link": "https://www.cnbc.com/2025/03/17/oecd-cuts-us-and-global-economic-growth-outlooks-as-trumps-trade-tariffs-weigh.html", "original_description": "\"a series of recently announced trade policy measures will have implications for the economic outlook if sustained,\" the oecd said.", "published": "2025-03-17 12:16:50", "category": "Business", "image": "svg", "chroma:document": "\"a series of recently announced trade policy measures will have implications for the economic outlook if sustained,\" the oecd said."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
register now: applications open for the world's top fintech companies of 2025 list|https://www.cnbc.com/2025/02/26/register-now-applications-open-for-cnbcs-top-global-fintechs-list.html|2025-03-14 11:39:41|d5b7cfb72158f92edd6b58a3239d9f1ead6c1aa12e2933636977e71870b0554f

metadata:
{"title": "register now: applications open for the world's top fintech companies of 2025 list", "link": "https://www.cnbc.com/2025/02/26/register-now-applications-open-for-cnbcs-top-global-fintechs-list.html", "original_description": "for the third year in a row, cnbc is working with market research firm statista to list the world's top financial technology companies.", "published": "2025-03-14 11:39:41", "category": "Business", "image": "svg", "chroma:document": "for the third year in a row, cnbc is working with market research firm statista to list the world's top financial technology companies."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
oil rises as trump says iran will be held responsible for any future houthi attacks|https://www.cnbc.com/2025/03/17/oil-rises-as-trump-says-iran-will-be-held-responsible-for-any-future-houthi-attacks.html|2025-03-17 18:58:36|cac1b7a14183e0caf9f9c9fbe56e05153497249860c9f5a010ee668df764341f

metadata:
{"title": "oil rises as trump says iran will be held responsible for any future houthi attacks", "link": "https://www.cnbc.com/2025/03/17/oil-rises-as-trump-says-iran-will-be-held-responsible-for-any-future-houthi-attacks.html", "original_description": "houthi strikes have forced international shipping companies to re-route container ships that would normally pass through the red sea and suez canal.", "published": "2025-03-17 18:58:36", "category": "Business", "image": "svg", "chroma:document": "houthi strikes have forced international shipping companies to re-route container ships that would normally pass through the red sea and suez canal."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
japan lacks workers to care for the elderly. this company is using ai to help|https://www.cnbc.com/2025/03/18/how-ai-can-help-care-for-elderly-people-a-company-in-japan-explains.html|2025-03-17 23:40:47|78ee6aa457cdc31fec1d80ddd68deaf2e72fad324ffd8c4c5252115cfab77586

metadata:
{"title": "japan lacks workers to care for the elderly. this company is using ai to help", "link": "https://www.cnbc.com/2025/03/18/how-ai-can-help-care-for-elderly-people-a-company-in-japan-explains.html", "original_description": "japan's sompo holdings, inc. is using artificial intelligence to help alleviate a critical shortage of workers needed to care for the country's aging population.", "published": "2025-03-17 23:40:47", "category": "Business", "image": "svg", "chroma:document": "japan's sompo holdings, inc. is using artificial intelligence to help alleviate a critical shortage of workers needed to care for the country's aging population."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
china announces plan to 'vigorously boost consumption' in bid to shore up economy|https://www.cnbc.com/2025/03/17/china-economy-plan-to-boost-domestic-consumption.html|2025-03-17 03:19:32|14d2d5c15f511e193cc49282c43669c7b0c82aa8110a5c69a4852990f874ddb1

metadata:
{"title": "china announces plan to 'vigorously boost consumption' in bid to shore up economy", "link": "https://www.cnbc.com/2025/03/17/china-economy-plan-to-boost-domestic-consumption.html", "original_description": "the plan was to vigorously boost consumption, expand domestic demand, and \"enhance consumption capacity by increasing income and reducing burdens.\"", "published": "2025-03-17 03:19:32", "category": "Business", "image": "svg", "chroma:document": "the plan was to vigorously boost consumption, expand domestic demand, and \"enhance consumption capacity by increasing income and reducing burdens.\""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
'see you in four years': canada flexes economic muscle as tariff negotiations continue|https://www.cnbc.com/2025/03/16/see-you-in-four-years-canada-flexes-economic-muscle-as-tariff-negotiations-continue.html|2025-03-17 14:41:56|e7f3e0e9cafa281de707bb723864242fa5103f1ce3cb8e4df41515ed5b5af63d

metadata:
{"title": "'see you in four years': canada flexes economic muscle as tariff negotiations continue", "link": "https://www.cnbc.com/2025/03/16/see-you-in-four-years-canada-flexes-economic-muscle-as-tariff-negotiations-continue.html", "original_description": "trump's plans for tariffs and comments about canada becoming a state has enraged the country's consumers and politicians.", "published": "2025-03-17 14:41:56", "category": "Business", "image": "svg", "chroma:document": "trump's plans for tariffs and comments about canada becoming a state has enraged the country's consumers and politicians."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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jobless claims stay low in latest week|https://www.marketwatch.com/story/jobless-claims-stay-low-in-latest-week-27b4b50b?mod=mw_rss_marketpulse|2025-02-13 13:33:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "jobless claims stay low in latest week", "link": "https://www.marketwatch.com/story/jobless-claims-stay-low-in-latest-week-27b4b50b?mod=mw_rss_marketpulse", "original_description": "", "published": "2025-02-13 13:33:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
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consumer credit growth soars in december|https://www.marketwatch.com/story/consumer-credit-growth-soars-in-december-d405d18e?mod=mw_rss_marketpulse|2025-02-07 20:26:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "consumer credit growth soars in december", "link": "https://www.marketwatch.com/story/consumer-credit-growth-soars-in-december-d405d18e?mod=mw_rss_marketpulse", "original_description": "", "published": "2025-02-07 20:26:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
u.s. productivity slows down in fourth quarter while unit labor costs accelerate|https://www.marketwatch.com/story/u-s-productivity-slows-down-in-fourth-quarter-while-unit-labor-costs-accelerate-3c2b9092?mod=mw_rss_marketpulse|2025-02-06 13:34:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "u.s. productivity slows down in fourth quarter while unit labor costs accelerate", "link": "https://www.marketwatch.com/story/u-s-productivity-slows-down-in-fourth-quarter-while-unit-labor-costs-accelerate-3c2b9092?mod=mw_rss_marketpulse", "original_description": "", "published": "2025-02-06 13:34:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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beyond to buy rights to buy buy baby brand and reunite it with bed bath & beyond|https://www.marketwatch.com/story/beyond-to-buy-rights-to-buy-buy-baby-brand-and-reunite-it-with-bed-bath-beyond-4383c6be?mod=mw_rss_marketpulse|2025-02-03 13:46:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "beyond to buy rights to buy buy baby brand and reunite it with bed bath & beyond", "link": "https://www.marketwatch.com/story/beyond-to-buy-rights-to-buy-buy-baby-brand-and-reunite-it-with-bed-bath-beyond-4383c6be?mod=mw_rss_marketpulse", "original_description": "", "published": "2025-02-03 13:46:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
trump asks supreme court to pause tiktok ban|https://www.marketwatch.com/story/trump-asks-supreme-court-to-pause-tiktok-ban-2b724ae6?mod=mw_rss_marketpulse|2024-12-28 00:32:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "trump asks supreme court to pause tiktok ban", "link": "https://www.marketwatch.com/story/trump-asks-supreme-court-to-pause-tiktok-ban-2b724ae6?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-12-28 00:32:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
amazon says it had best-ever thanksgiving holiday week with record sales and number of items sold|https://www.marketwatch.com/story/amazon-says-it-had-best-ever-thanksgiving-holiday-week-with-record-sales-and-number-of-items-sold-786e0143?mod=mw_rss_marketpulse|2024-12-03 14:05:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "amazon says it had best-ever thanksgiving holiday week with record sales and number of items sold", "link": "https://www.marketwatch.com/story/amazon-says-it-had-best-ever-thanksgiving-holiday-week-with-record-sales-and-number-of-items-sold-786e0143?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-12-03 14:05:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
u.s. stock futures and bond yields drop on reports putin has updated nuclear doctrine|https://www.marketwatch.com/story/u-s-stock-futures-and-bond-yields-drop-on-reports-putin-has-updated-nuclear-doctrine-4b9792c4?mod=mw_rss_marketpulse|2024-11-19 08:55:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "u.s. stock futures and bond yields drop on reports putin has updated nuclear doctrine", "link": "https://www.marketwatch.com/story/u-s-stock-futures-and-bond-yields-drop-on-reports-putin-has-updated-nuclear-doctrine-4b9792c4?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-11-19 08:55:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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charter communications announces buyout deal for liberty broadband at terms above its previous proposal|https://www.marketwatch.com/story/charter-communications-announces-buyout-deal-for-liberty-broadband-at-terms-above-its-previous-proposal-552f7acd?mod=mw_rss_marketpulse|2024-11-13 13:52:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "charter communications announces buyout deal for liberty broadband at terms above its previous proposal", "link": "https://www.marketwatch.com/story/charter-communications-announces-buyout-deal-for-liberty-broadband-at-terms-above-its-previous-proposal-552f7acd?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-11-13 13:52:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
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general motors unveils new all-electric cadillac called the vistiq with 300-mile range|https://www.marketwatch.com/story/general-motors-unveils-new-all-electric-cadillac-called-the-vistiq-with-300-mile-range-c16fb8a6?mod=mw_rss_marketpulse|2024-11-12 13:53:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "general motors unveils new all-electric cadillac called the vistiq with 300-mile range", "link": "https://www.marketwatch.com/story/general-motors-unveils-new-all-electric-cadillac-called-the-vistiq-with-300-mile-range-c16fb8a6?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-11-12 13:53:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
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vestas wind systems stock slumps as company says margins to be at low end of guidance|https://www.marketwatch.com/story/vestas-wind-systems-stock-slumps-as-company-says-margins-to-be-at-low-end-of-guidance-a33bf5c4?mod=mw_rss_marketpulse|2024-11-05 08:39:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "vestas wind systems stock slumps as company says margins to be at low end of guidance", "link": "https://www.marketwatch.com/story/vestas-wind-systems-stock-slumps-as-company-says-margins-to-be-at-low-end-of-guidance-a33bf5c4?mod=mw_rss_marketpulse", "original_description": "", "published": "2024-11-05 08:39:00", "category": "Business", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
defence spending is on the rise and this uk growth stock could be set to cash in|https://www.fool.co.uk/2025/03/18/defence-spending-is-on-the-rise-and-this-uk-growth-stock-could-be-set-to-cash-in/|2025-03-18 09:08:00|ac7f718be0712aee55cfae9c4a41f5efbf6d07a75524db02fa675aca78b828a0

metadata:
{"title": "defence spending is on the rise and this uk growth stock could be set to cash in", "link": "https://www.fool.co.uk/2025/03/18/defence-spending-is-on-the-rise-and-this-uk-growth-stock-could-be-set-to-cash-in/", "original_description": "with the uk ready to increase its defence spending, stephen wright thinks the stock likely to benefit the most isn\u2019t rolls-royce or bae systems. the post defence spending is on the rise and this uk growth stock could be set to cash in appeared first on the motley fool uk.", "published": "2025-03-18 09:08:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "with the uk ready to increase its defence spending, stephen wright thinks the stock likely to benefit the most isn\u2019t rolls-royce or bae systems. the post defence spending is on the rise and this uk growth stock could be set to cash in appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
£11,000 in savings? here’s how investors could use that to target an annual passive income of £12,892 over time!|https://www.fool.co.uk/2025/03/18/11000-in-savings-heres-how-investors-could-use-that-to-target-an-annual-passive-income-of-12892-over-time/|2025-03-18 08:40:11|fcdf000bcabc55352df8c32fff0ff6fb8d06f9d335ed69dc324e9dfb90df0491

metadata:
{"title": "\u00a311,000 in savings? here\u2019s how investors could use that to target an annual passive income of \u00a312,892 over time!", "link": "https://www.fool.co.uk/2025/03/18/11000-in-savings-heres-how-investors-could-use-that-to-target-an-annual-passive-income-of-12892-over-time/", "original_description": "money put into high-dividend-paying shares with the returns used to buy more of them can generate potentially life-changing passive income. the post \u00a311,000 in savings? here\u2019s how investors could use that to target an annual passive income of \u00a312,892 over time! appeared first on the motley fool uk.", "published": "2025-03-18 08:40:11", "category": "Stocks & Markets", "image": "svg", "chroma:document": "money put into high-dividend-paying shares with the returns used to buy more of them can generate potentially life-changing passive income. the post \u00a311,000 in savings? here\u2019s how investors could use that to target an annual passive income of \u00a312,892 over time! appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
down 10% and 15% in a month! 2 cheap shares investors might consider buying with £2k today|https://www.fool.co.uk/2025/03/18/down-10-and-15-in-a-month-2-cheap-shares-investors-might-consider-buying-with-2k-today/|2025-03-18 08:10:00|d62e38c25c83368f8819ab960126637ce856d9651d97e4b72e6c5f2bf5b286ce

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{"title": "down 10% and 15% in a month! 2 cheap shares investors might consider buying with \u00a32k today", "link": "https://www.fool.co.uk/2025/03/18/down-10-and-15-in-a-month-2-cheap-shares-investors-might-consider-buying-with-2k-today/", "original_description": "it's always a good time to buy cheap shares! harvey jones picks out two ftse 100 companies that have fallen sharply during recent stock market turbulence. the post down 10% and 15% in a month! 2 cheap shares investors might consider buying with \u00a32k today appeared first on the motley fool uk.", "published": "2025-03-18 08:10:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "it's always a good time to buy cheap shares! harvey jones picks out two ftse 100 companies that have fallen sharply during recent stock market turbulence. the post down 10% and 15% in a month! 2 cheap shares investors might consider buying with \u00a32k today appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
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here’s how £350 a month could put a stock market beginner on the road to wealth!|https://www.fool.co.uk/2025/03/18/heres-how-350-a-month-could-put-a-stock-market-beginner-on-the-road-to-wealth/|2025-03-18 07:48:00|2caac48b12243a9a6e9122c22d1efe210993c1f12dff284c72fbc60d264c0f82

metadata:
{"title": "here\u2019s how \u00a3350 a month could put a stock market beginner on the road to wealth!", "link": "https://www.fool.co.uk/2025/03/18/heres-how-350-a-month-could-put-a-stock-market-beginner-on-the-road-to-wealth/", "original_description": "interested in getting a foot on the stock market ladder? our writer breaks down the facts and figures so aspiring investors feel safe to get started. the post here\u2019s how \u00a3350 a month could put a stock market beginner on the road to wealth! appeared first on the motley fool uk.", "published": "2025-03-18 07:48:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "interested in getting a foot on the stock market ladder? our writer breaks down the facts and figures so aspiring investors feel safe to get started. the post here\u2019s how \u00a3350 a month could put a stock market beginner on the road to wealth! appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
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the 5 most popular ftse 100 shares on the aj bell trading platform|https://www.fool.co.uk/2025/03/18/the-5-most-popular-ftse-100-shares-on-the-aj-bell-trading-platform/|2025-03-18 07:45:00|4075242ef0c2c85b40a9ac649d62079594981c2ca5a6e0a2bae544116ca8e5e4

metadata:
{"title": "the 5 most popular ftse 100 shares on the aj bell trading platform", "link": "https://www.fool.co.uk/2025/03/18/the-5-most-popular-ftse-100-shares-on-the-aj-bell-trading-platform/", "original_description": "our writer\u2019s been looking at the ftse 100\u2019s most bought stocks on one particular investment platform. and he\u2019s heartened by one of the choices. the post the 5 most popular ftse 100 shares on the aj bell trading platform appeared first on the motley fool uk.", "published": "2025-03-18 07:45:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "our writer\u2019s been looking at the ftse 100\u2019s most bought stocks on one particular investment platform. and he\u2019s heartened by one of the choices. the post the 5 most popular ftse 100 shares on the aj bell trading platform appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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why isn’t everyone aiming for £37m in stocks and shares?|https://www.fool.co.uk/2025/03/18/why-isnt-everyone-aiming-for-37m-in-stocks-and-shares/|2025-03-18 07:31:00|01a48698a376fdd4af981cee25f8ade144cfc4a8b0f57ff5724256fa9731d7c6

metadata:
{"title": "why isn\u2019t everyone aiming for \u00a337m in stocks and shares?", "link": "https://www.fool.co.uk/2025/03/18/why-isnt-everyone-aiming-for-37m-in-stocks-and-shares/", "original_description": "it\u2019s never too early to start investing in stocks and shares through a sipp or isa. dr james fox explains how multi-millionaire status can be achieved. the post why isn\u2019t everyone aiming for \u00a337m in stocks and shares? appeared first on the motley fool uk.", "published": "2025-03-18 07:31:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "it\u2019s never too early to start investing in stocks and shares through a sipp or isa. dr james fox explains how multi-millionaire status can be achieved. the post why isn\u2019t everyone aiming for \u00a337m in stocks and shares? appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
here’s how much an investor needs in an isa to generate a £27,500 second income|https://www.fool.co.uk/2025/03/18/heres-how-much-an-investor-needs-in-an-isa-to-generate-a-27500-second-income/|2025-03-18 06:45:15|405b9629e3728df999b586b63d4e713839f0df0612d38b9229edeb1821370b22

metadata:
{"title": "here\u2019s how much an investor needs in an isa to generate a \u00a327,500 second income", "link": "https://www.fool.co.uk/2025/03/18/heres-how-much-an-investor-needs-in-an-isa-to-generate-a-27500-second-income/", "original_description": "imagine creating a second income that's the equivalent of the average post-tax salary in the uk. dr james fox explains how it might be done. the post here\u2019s how much an investor needs in an isa to generate a \u00a327,500 second income appeared first on the motley fool uk.", "published": "2025-03-18 06:45:15", "category": "Stocks & Markets", "image": "svg", "chroma:document": "imagine creating a second income that's the equivalent of the average post-tax salary in the uk. dr james fox explains how it might be done. the post here\u2019s how much an investor needs in an isa to generate a \u00a327,500 second income appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
here’s the tesco share price forecast for the next 12 months!|https://www.fool.co.uk/2025/03/17/heres-the-tesco-share-price-forecast-for-the-next-12-months/|2025-03-17 18:13:00|ffd62b3f31569548081901a14f59ca1e1c860a303baca01b312944bd085f2500

metadata:
{"title": "here\u2019s the tesco share price forecast for the next 12 months!", "link": "https://www.fool.co.uk/2025/03/17/heres-the-tesco-share-price-forecast-for-the-next-12-months/", "original_description": "tesco's valuation has dropped to multi-year lows after recent share price weakness. is now the time to consider buying the ftse 100 firm? the post here\u2019s the tesco share price forecast for the next 12 months! appeared first on the motley fool uk.", "published": "2025-03-17 18:13:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "tesco's valuation has dropped to multi-year lows after recent share price weakness. is now the time to consider buying the ftse 100 firm? the post here\u2019s the tesco share price forecast for the next 12 months! appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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just released: march’s higher-risk, high-reward stock recommendation [premium picks]|https://www.fool.co.uk/2025/03/17/just-released-februarys-higher-risk-high-reward-stock-recommendation-premium-picks-2/|2025-03-17 17:18:00|64f50f67ac03979c8d7995812b25a9c9af9a88b25b62801544cb69bd3128b4e9

metadata:
{"title": "just released: march\u2019s higher-risk, high-reward stock recommendation [premium picks]", "link": "https://www.fool.co.uk/2025/03/17/just-released-februarys-higher-risk-high-reward-stock-recommendation-premium-picks-2/", "original_description": "fire ideas will tend to be more adventurous and are designed for investors who can stomach a bit more volatility. the post just released: march&#8217;s higher-risk, high-reward stock recommendation [premium picks] appeared first on the motley fool uk.", "published": "2025-03-17 17:18:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "fire ideas will tend to be more adventurous and are designed for investors who can stomach a bit more volatility. the post just released: march&#8217;s higher-risk, high-reward stock recommendation [premium picks] appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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i asked chatgpt for the best ftse 100 investment trust to buy… here’s what it said|https://www.fool.co.uk/2025/03/17/i-asked-chatgpt-for-the-best-ftse-100-investment-trust-to-buy-heres-what-it-said/|2025-03-17 16:40:00|507c215ef53647a615f15832d046538c859a9e0fd927585c43dc98435b29ae30

metadata:
{"title": "i asked chatgpt for the best ftse 100 investment trust to buy\u2026 here\u2019s what it said", "link": "https://www.fool.co.uk/2025/03/17/i-asked-chatgpt-for-the-best-ftse-100-investment-trust-to-buy-heres-what-it-said/", "original_description": "there aren't many ftse 100-listed investment trusts and according to chatgpt there\u2019s only one winner. dr james fox explores. the post i asked chatgpt for the best ftse 100 investment trust to buy\u2026 here\u2019s what it said appeared first on the motley fool uk.", "published": "2025-03-17 16:40:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": "there aren't many ftse 100-listed investment trusts and according to chatgpt there\u2019s only one winner. dr james fox explores. the post i asked chatgpt for the best ftse 100 investment trust to buy\u2026 here\u2019s what it said appeared first on the motley fool uk."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
capstone copper: a solid q4 2024 result and strong 2025 guidance|https://seekingalpha.com/article/4768338-capstone-copper-stock-solid-q4-2024-result-and-strong-2025-guidance?source=feed_all_articles|2025-03-18 05:10:18|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "capstone copper: a solid q4 2024 result and strong 2025 guidance", "link": "https://seekingalpha.com/article/4768338-capstone-copper-stock-solid-q4-2024-result-and-strong-2025-guidance?source=feed_all_articles", "original_description": "", "published": "2025-03-18 05:10:18", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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trump tariffs pose risks to japan's monetary policy, outlook for megabanks|https://seekingalpha.com/article/4768348-trump-tariffs-pose-risks-japan-monetary-policy-outlook-megabanks?source=feed_all_articles|2025-03-18 05:10:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "trump tariffs pose risks to japan's monetary policy, outlook for megabanks", "link": "https://seekingalpha.com/article/4768348-trump-tariffs-pose-risks-japan-monetary-policy-outlook-megabanks?source=feed_all_articles", "original_description": "", "published": "2025-03-18 05:10:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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codere online: solid performance amid ongoing risks|https://seekingalpha.com/article/4768337-codere-online-stock-solid-performance-amid-ongoing-risks-reiterate-hold?source=feed_all_articles|2025-03-18 05:05:41|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "codere online: solid performance amid ongoing risks", "link": "https://seekingalpha.com/article/4768337-codere-online-stock-solid-performance-amid-ongoing-risks-reiterate-hold?source=feed_all_articles", "original_description": "", "published": "2025-03-18 05:05:41", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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duke energy: why i own it during volatile markets|https://seekingalpha.com/article/4768336-duke-energy-stock-why-i-own-it-during-volatile-markets?source=feed_all_articles|2025-03-18 04:58:36|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "duke energy: why i own it during volatile markets", "link": "https://seekingalpha.com/article/4768336-duke-energy-stock-why-i-own-it-during-volatile-markets?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:58:36", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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china unveils special action plan to boost consumption|https://seekingalpha.com/article/4768344-china-unveils-special-action-plan-boost-consumption?source=feed_all_articles|2025-03-18 04:55:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "china unveils special action plan to boost consumption", "link": "https://seekingalpha.com/article/4768344-china-unveils-special-action-plan-boost-consumption?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:55:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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patience for crown castle and its new strategy|https://seekingalpha.com/article/4768335-patience-for-crown-castle-and-its-new-strategy?source=feed_all_articles|2025-03-18 04:50:54|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "patience for crown castle and its new strategy", "link": "https://seekingalpha.com/article/4768335-patience-for-crown-castle-and-its-new-strategy?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:50:54", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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aercap: key developments in 2024 annual report|https://seekingalpha.com/article/4768333-aercap-stock-key-developments-2024-annual-report?source=feed_all_articles|2025-03-18 04:44:18|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "aercap: key developments in 2024 annual report", "link": "https://seekingalpha.com/article/4768333-aercap-stock-key-developments-2024-annual-report?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:44:18", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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nutanix is a winner|https://seekingalpha.com/article/4768330-nutanix-is-a-winner?source=feed_all_articles|2025-03-18 04:33:06|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "nutanix is a winner", "link": "https://seekingalpha.com/article/4768330-nutanix-is-a-winner?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:33:06", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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so much for a trump economic boom|https://seekingalpha.com/article/4768310-so-much-for-trump-economic-boom?source=feed_all_articles|2025-03-18 04:30:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "so much for a trump economic boom", "link": "https://seekingalpha.com/article/4768310-so-much-for-trump-economic-boom?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:30:00", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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progressive: fundamentally strong, but earning multiples are elevated, hold for now|https://seekingalpha.com/article/4768328-progressive-stock-q4-strong-fundamentals-but-earning-multiples-elevated-hold-for-now?source=feed_all_articles|2025-03-18 04:26:27|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "progressive: fundamentally strong, but earning multiples are elevated, hold for now", "link": "https://seekingalpha.com/article/4768328-progressive-stock-q4-strong-fundamentals-but-earning-multiples-elevated-hold-for-now?source=feed_all_articles", "original_description": "", "published": "2025-03-18 04:26:27", "category": "Stocks & Markets", "image": "svg", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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elon musk and sam altman finally agree on something: when their courtroom showdown should start|https://finance.yahoo.com/news/elon-musk-and-sam-altman-finally-agree-on-something-when-their-courtroom-showdown-should-start-165356911.html|2025-03-17 16:53:56|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "elon musk and sam altman finally agree on something: when their courtroom showdown should start", "link": "https://finance.yahoo.com/news/elon-musk-and-sam-altman-finally-agree-on-something-when-their-courtroom-showdown-should-start-165356911.html", "original_description": "", "published": "2025-03-17 16:53:56", "category": "Stocks & Markets", "image": "https://s.yimg.com/os/creatr-uploaded-images/2024-02/316e6210-d7ee-11ee-bbf7-12c258bde82b", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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intel stock rises on report new ceo plans big changes. what has the market most excited.|https://www.barrons.com/articles/intel-stock-price-ceo-f93e7f48?siteid=yhoof2&yptr=yahoo|2025-03-17 14:23:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "intel stock rises on report new ceo plans big changes. what has the market most excited.", "link": "https://www.barrons.com/articles/intel-stock-price-ceo-f93e7f48?siteid=yhoof2&yptr=yahoo", "original_description": "", "published": "2025-03-17 14:23:00", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/barrons.com/8ec7467486b7efd46fb2239aca5488bd", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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nvidia stock slides ahead of gtc as investors look to new blackwell ultra|https://finance.yahoo.com/news/nvidia-stock-slides-ahead-of-gtc-as-investors-look-to-new-blackwell-ultra-143639940.html|2025-03-17 14:36:39|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "nvidia stock slides ahead of gtc as investors look to new blackwell ultra", "link": "https://finance.yahoo.com/news/nvidia-stock-slides-ahead-of-gtc-as-investors-look-to-new-blackwell-ultra-143639940.html", "original_description": "", "published": "2025-03-17 14:36:39", "category": "Stocks & Markets", "image": "https://s.yimg.com/os/creatr-uploaded-images/2024-08/d5abddc0-6b79-11ef-afef-884f4c5e5de3", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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these are the five best stocks to buy and watch now|https://www.investors.com/research/best-stocks-to-buy-now/?src=a00220&yptr=yahoo|2025-03-17 00:03:04|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "these are the five best stocks to buy and watch now", "link": "https://www.investors.com/research/best-stocks-to-buy-now/?src=a00220&yptr=yahoo", "original_description": "", "published": "2025-03-17 00:03:04", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/ibd.com/d286311e6de86e24602ae294b1416a97", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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retail sales rise less than expected in february|https://finance.yahoo.com/news/retail-sales-rise-less-than-expected-in-february-123534269.html|2025-03-17 12:35:34|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "retail sales rise less than expected in february", "link": "https://finance.yahoo.com/news/retail-sales-rise-less-than-expected-in-february-123534269.html", "original_description": "", "published": "2025-03-17 12:35:34", "category": "Stocks & Markets", "image": "https://s.yimg.com/os/creatr-uploaded-images/2025-03/b1b8c210-02bf-11f0-9ffe-fe915a288260", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
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european stocks rise before german spending vote: markets wrap|https://finance.yahoo.com/news/asian-equities-set-track-wall-224106598.html|2025-03-18 08:21:55|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "european stocks rise before german spending vote: markets wrap", "link": "https://finance.yahoo.com/news/asian-equities-set-track-wall-224106598.html", "original_description": "", "published": "2025-03-18 08:21:55", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/bloomberg_markets_842/1253e545b5508248429c2e3df1cef06b", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
s&p 500 price trend flashes warning signals but this expert says 'start looking for a buy signal' after last week's drawdown|https://finance.yahoo.com/news/p-500-price-trend-flashes-183014731.html|2025-03-17 18:30:14|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "s&p 500 price trend flashes warning signals but this expert says 'start looking for a buy signal' after last week's drawdown", "link": "https://finance.yahoo.com/news/p-500-price-trend-flashes-183014731.html", "original_description": "", "published": "2025-03-17 18:30:14", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/benzinga_79/816bd126c13135d042a95e78fdc2ca53", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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intel’s new ceo lip-bu tan is getting lower base salary than predecessor|https://www.barrons.com/articles/intel-ceo-salary-lip-bu-tan-19cbee13?siteid=yhoof2&yptr=yahoo|2025-03-17 20:36:00|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "intel\u2019s new ceo lip-bu tan is getting lower base salary than predecessor", "link": "https://www.barrons.com/articles/intel-ceo-salary-lip-bu-tan-19cbee13?siteid=yhoof2&yptr=yahoo", "original_description": "", "published": "2025-03-17 20:36:00", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/barrons.com/2d6c44852a3a7b2b44a6734b74b12de3", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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japanese trading house shares rise on buffett’s growing stake|https://finance.yahoo.com/news/japanese-trading-house-shares-rise-001415327.html|2025-03-18 00:14:15|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "japanese trading house shares rise on buffett\u2019s growing stake", "link": "https://finance.yahoo.com/news/japanese-trading-house-shares-rise-001415327.html", "original_description": "", "published": "2025-03-18 00:14:15", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/bloomberg_markets_842/708fa05f523dc70962a0e48113c9668d", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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venezuela's pdvsa to keep producing, exporting oil previously handled by chevron, document says|https://finance.yahoo.com/news/venezuelas-pdvsa-produce-refine-export-205738609.html|2025-03-17 20:57:38|e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

metadata:
{"title": "venezuela's pdvsa to keep producing, exporting oil previously handled by chevron, document says", "link": "https://finance.yahoo.com/news/venezuelas-pdvsa-produce-refine-export-205738609.html", "original_description": "", "published": "2025-03-17 20:57:38", "category": "Stocks & Markets", "image": "https://media.zenfs.com/en/reuters-finance.com/eb936ec7f757076704fbd32090f806f2", "chroma:document": ""}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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texas high school aerospace scholars: a launchpad for future innovators|https://www.nasa.gov/centers-and-facilities/johnson/texas-high-school-aerospace-scholars-a-launchpad-for-future-innovators/|2025-03-17 22:25:42|54b426ae257f8100b44d98f23581b368436fb2027bf3f02784f762ddeeae52a5

metadata:
{"title": "texas high school aerospace scholars: a launchpad for future innovators", "link": "https://www.nasa.gov/centers-and-facilities/johnson/texas-high-school-aerospace-scholars-a-launchpad-for-future-innovators/", "original_description": "nasa\u2019s office of stem engagement at johnson space center offers texas high school students a unique gateway to the world of space exploration through the high school aerospace scholars (has) program. this initiative gives juniors hands-on experience, working on projects that range from designing spacecraft to planning mars missions.&#160; nearly 30 participants who have been [&#8230;]", "published": "2025-03-17 22:25:42", "category": "Space", "image": "svg", "chroma:document": "nasa\u2019s office of stem engagement at johnson space center offers texas high school students a unique gateway to the world of space exploration through the high school aerospace scholars (has) program. this initiative gives juniors hands-on experience, working on projects that range from designing spacecraft to planning mars missions.&#160; nearly 30 participants who have been [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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nasa space day to share progress, opportunities at texas capitol|https://www.nasa.gov/news-release/nasa-space-day-to-share-progress-opportunities-at-texas-capitol/|2025-03-17 20:51:14|9572ef7216483ee970c0ff2c3842964929703c3e0e8fe934771e8641453fb4cc

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{"title": "nasa space day to share progress, opportunities at texas capitol", "link": "https://www.nasa.gov/news-release/nasa-space-day-to-share-progress-opportunities-at-texas-capitol/", "original_description": "march 17, 2025 nasa is heading back to the state capitol in march for space day texas, a recognition of achievements throughout texas and a look ahead to the impact future human space exploration has on the lone star state. the two-day schedule of events and exhibits focusing on exploration, astronauts, and science, technology, engineering, [&#8230;]", "published": "2025-03-17 20:51:14", "category": "Space", "image": "svg", "chroma:document": "march 17, 2025 nasa is heading back to the state capitol in march for space day texas, a recognition of achievements throughout texas and a look ahead to the impact future human space exploration has on the lone star state. the two-day schedule of events and exhibits focusing on exploration, astronauts, and science, technology, engineering, [&#8230;]"}


created_at: 2025-03-18 09:12:45
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students dive into robotics at competition supported by nasa jpl|https://www.nasa.gov/centers-and-facilities/jpl/students-dive-into-robotics-at-competition-supported-by-nasa-jpl/|2025-03-17 17:23:38|e7c7dd0501279f4f2846514da98aff1cdfff3069a5092e73236e34023f97ccad

metadata:
{"title": "students dive into robotics at competition supported by nasa jpl", "link": "https://www.nasa.gov/centers-and-facilities/jpl/students-dive-into-robotics-at-competition-supported-by-nasa-jpl/", "original_description": "robots built by high schoolers vied for points in a fast-moving game inspired by complex ocean ecosystems at the first robotics los angeles regional competition. high school students who spent weeks designing, assembling, and testing 125-pound rolling robots put their fast-moving creations into the ring over the weekend, facing off at the annual los angeles [&#8230;]", "published": "2025-03-17 17:23:38", "category": "Space", "image": "svg", "chroma:document": "robots built by high schoolers vied for points in a fast-moving game inspired by complex ocean ecosystems at the first robotics los angeles regional competition. high school students who spent weeks designing, assembling, and testing 125-pound rolling robots put their fast-moving creations into the ring over the weekend, facing off at the annual los angeles [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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nasa’s spacex crew-10 launch|https://www.nasa.gov/image-article/nasas-spacex-crew-10-launch/|2025-03-17 15:44:22|f5e4742ce93a680c7630b6204cd63db6502ed2b7f76b4f27425e7d4d8777a774

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{"title": "nasa\u2019s spacex crew-10 launch", "link": "https://www.nasa.gov/image-article/nasas-spacex-crew-10-launch/", "original_description": "a spacex falcon 9 rocket carrying the company&#8217;s dragon spacecraft is launched on nasa\u2019s spacex crew-10 mission to the international space station with nasa astronauts anne mcclain and nichole ayers, jaxa (japan aerospace exploration agency) astronaut takuya onishi, and roscosmos cosmonaut kirill peskov onboard, friday, march 14, 2025, from nasa&#8217;s kennedy space center in florida. [&#8230;]", "published": "2025-03-17 15:44:22", "category": "Space", "image": "svg", "chroma:document": "a spacex falcon 9 rocket carrying the company&#8217;s dragon spacecraft is launched on nasa\u2019s spacex crew-10 mission to the international space station with nasa astronauts anne mcclain and nichole ayers, jaxa (japan aerospace exploration agency) astronaut takuya onishi, and roscosmos cosmonaut kirill peskov onboard, friday, march 14, 2025, from nasa&#8217;s kennedy space center in florida. [&#8230;]"}


created_at: 2025-03-18 09:12:45
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nasa, firefly invite media to discuss end of blue ghost moon mission|https://www.nasa.gov/news-release/nasa-firefly-invite-media-to-discuss-end-of-blue-ghost-moon-mission/|2025-03-17 15:28:14|d3f1bedf068517952700398edfac2c3da6ba280bdca653050c032efedff8a636

metadata:
{"title": "nasa, firefly invite media to discuss end of blue ghost moon mission", "link": "https://www.nasa.gov/news-release/nasa-firefly-invite-media-to-discuss-end-of-blue-ghost-moon-mission/", "original_description": "nasa and firefly aerospace will host a news conference at 2 p.m. edt tuesday, march 18, from nasa\u2019s johnson space center in houston to discuss the company\u2019s successful blue ghost mission 1 on the moon\u2019s surface. watch the news conference on&#160;nasa+. learn how to watch&#160;nasa content&#160;through a variety of platforms, including social media. u.s. media [&#8230;]", "published": "2025-03-17 15:28:14", "category": "Space", "image": "svg", "chroma:document": "nasa and firefly aerospace will host a news conference at 2 p.m. edt tuesday, march 18, from nasa\u2019s johnson space center in houston to discuss the company\u2019s successful blue ghost mission 1 on the moon\u2019s surface. watch the news conference on&#160;nasa+. learn how to watch&#160;nasa content&#160;through a variety of platforms, including social media. u.s. media [&#8230;]"}


created_at: 2025-03-18 09:12:45
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new modeling assesses age of next target asteroid for nasa’s lucy|https://www.nasa.gov/centers-and-facilities/goddard/new-modeling-assesses-age-of-next-target-asteroid-for-nasas-lucy/|2025-03-17 14:23:54|a2a99e54ee6f92701ba66969aa8224fc8441382a4dcb34c8b92b97fe3b3a7dee

metadata:
{"title": "new modeling assesses age of next target asteroid for nasa\u2019s lucy", "link": "https://www.nasa.gov/centers-and-facilities/goddard/new-modeling-assesses-age-of-next-target-asteroid-for-nasas-lucy/", "original_description": "although nasa\u2019s lucy spacecraft\u2019s upcoming encounter with the asteroid donaldjohanson is primarily a mission rehearsal for later asteroid encounters, a new paper suggests that this small, main belt asteroid may have some surprises of its own. new modeling indicates that donaldjohanson may have been formed about 150 million years ago when a larger parent asteroid [&#8230;]", "published": "2025-03-17 14:23:54", "category": "Space", "image": "svg", "chroma:document": "although nasa\u2019s lucy spacecraft\u2019s upcoming encounter with the asteroid donaldjohanson is primarily a mission rehearsal for later asteroid encounters, a new paper suggests that this small, main belt asteroid may have some surprises of its own. new modeling indicates that donaldjohanson may have been formed about 150 million years ago when a larger parent asteroid [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
nasa’s webb images young, giant exoplanets, detects carbon dioxide|https://science.nasa.gov/missions/webb/nasas-webb-images-young-giant-exoplanets-detects-carbon-dioxide/|2025-03-17 14:00:00|aa062a3e44110e65203a546e07602ac32faff17ea3a5b5797b82b00ef0cd3cd3

metadata:
{"title": "nasa\u2019s webb images young, giant exoplanets, detects carbon dioxide", "link": "https://science.nasa.gov/missions/webb/nasas-webb-images-young-giant-exoplanets-detects-carbon-dioxide/", "original_description": "nasa\u2019s james webb space telescope has captured direct images of multiple gas giant planets within an iconic planetary system. hr 8799, a young system 130 light-years away, has long been a key target for planet formation studies. the observations indicate that the well-studied planets of hr 8799 are rich in carbon dioxide gas. this provides [\u2026]", "published": "2025-03-17 14:00:00", "category": "Space", "image": "svg", "chroma:document": "nasa\u2019s james webb space telescope has captured direct images of multiple gas giant planets within an iconic planetary system. hr 8799, a young system 130 light-years away, has long been a key target for planet formation studies. the observations indicate that the well-studied planets of hr 8799 are rich in carbon dioxide gas. this provides [\u2026]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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summer 2024|https://science.nasa.gov/uncategorized/summer-2024/|2025-03-17 13:46:29|cb2df562273810b7fb1bf68e4b530e2d418cbc82107d2f604503078b579ab10e

metadata:
{"title": "summer 2024", "link": "https://science.nasa.gov/uncategorized/summer-2024/", "original_description": "help learners stemify their summer through hands-on and engaging activities curated by the nasa eclips team. you\u2019ll find something for everyone \u2013 earth-based and out-of-this-world. this issue includes eclips videos, resources, and design challenges as well as partner activities and other recommended summer activities. we have organized them by the amount of time the activity [\u2026]", "published": "2025-03-17 13:46:29", "category": "Space", "image": "svg", "chroma:document": "help learners stemify their summer through hands-on and engaging activities curated by the nasa eclips team. you\u2019ll find something for everyone \u2013 earth-based and out-of-this-world. this issue includes eclips videos, resources, and design challenges as well as partner activities and other recommended summer activities. we have organized them by the amount of time the activity [\u2026]"}


created_at: 2025-03-18 09:12:45
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september 2024|https://science.nasa.gov/uncategorized/eclips-september-2024/|2025-03-17 13:30:12|a637e75fe41b7d1b19f485bbe6fc634a483eae8c995decc4494dd2d1858822ef

metadata:
{"title": "september 2024", "link": "https://science.nasa.gov/uncategorized/eclips-september-2024/", "original_description": "fall back to school with this edition of the nasa eclips newsletter! educators are provided with a host of resources to help engineer a great school year! videos and activities focus on comparing science and engineering practices. two new spotlite design challenges are launched on climate change and earth-observing satellites! and a fun activity for [\u2026]", "published": "2025-03-17 13:30:12", "category": "Space", "image": "svg", "chroma:document": "fall back to school with this edition of the nasa eclips newsletter! educators are provided with a host of resources to help engineer a great school year! videos and activities focus on comparing science and engineering practices. two new spotlite design challenges are launched on climate change and earth-observing satellites! and a fun activity for [\u2026]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
nasa to provide live coverage of crew-9 return, splashdown|https://www.nasa.gov/news-release/nasa-to-provide-live-coverage-of-crew-9-return-splashdown/|2025-03-16 22:03:04|3edd9778b82332bdccc0e55cc0cf2865a4444726a8c5d025b5d8a090507488c2

metadata:
{"title": "nasa to provide live coverage of crew-9 return, splashdown", "link": "https://www.nasa.gov/news-release/nasa-to-provide-live-coverage-of-crew-9-return-splashdown/", "original_description": "editor\u2019s note: this advisory was updated march 17, 2025, to add new nasa+ links for the return coverage events. additionally, updates to the return-to-earth media conference were made, including a change in participants and rsvp deadline for media to attend in-person at nasa\u2019s johnson space center in houston. &#160; nasa will provide live coverage of [&#8230;]", "published": "2025-03-16 22:03:04", "category": "Space", "image": "svg", "chroma:document": "editor\u2019s note: this advisory was updated march 17, 2025, to add new nasa+ links for the return coverage events. additionally, updates to the return-to-earth media conference were made, including a change in participants and rsvp deadline for media to attend in-person at nasa\u2019s johnson space center in houston. &#160; nasa will provide live coverage of [&#8230;]"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
combination of cosmic processes shapes the size and location of sub-neptunes|https://www.sciencedaily.com/releases/2025/03/250317163749.htm|2025-03-17 16:37:49|6a9d4956a814764b51fdba2d14adb56e999e5a65a827a2a2bd5b9026314dc4b0

metadata:
{"title": "combination of cosmic processes shapes the size and location of sub-neptunes", "link": "https://www.sciencedaily.com/releases/2025/03/250317163749.htm", "original_description": "a combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.", "published": "2025-03-17 16:37:49", "category": "Science", "image": "svg", "chroma:document": "a combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
age of upcoming asteroid flyby target|https://www.sciencedaily.com/releases/2025/03/250317163629.htm|2025-03-17 16:36:29|72f176f6a051e19f2e8b499cf72da3a7d09f1aac5bad301af13629099bcccf6e

metadata:
{"title": "age of upcoming asteroid flyby target", "link": "https://www.sciencedaily.com/releases/2025/03/250317163629.htm", "original_description": "new modeling indicates the main belt asteroid (52246) donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have undergone significant evolution since. when nasa's lucy spacecraft flies by this approximately three-mile-wide space rock on april 20, 2025, the data collected could provide independent insights on such processes based on its shape, surface geology and cratering history.", "published": "2025-03-17 16:36:29", "category": "Science", "image": "svg", "chroma:document": "new modeling indicates the main belt asteroid (52246) donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have undergone significant evolution since. when nasa's lucy spacecraft flies by this approximately three-mile-wide space rock on april 20, 2025, the data collected could provide independent insights on such processes based on its shape, surface geology and cratering history."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
unique dove species is the dodo of the caribbean and in similar danger of dying out|https://www.sciencedaily.com/releases/2025/03/250317160458.htm|2025-03-17 16:04:58|c0d5d54c7538fec761e24fafcdd20413beaade50052e54e5389d3a8029fef9d2

metadata:
{"title": "unique dove species is the dodo of the caribbean and in similar danger of dying out", "link": "https://www.sciencedaily.com/releases/2025/03/250317160458.htm", "original_description": "ancient dna shows an endangered dove species endemic to cuba is more genetically distinct than the dodo was before it died out.", "published": "2025-03-17 16:04:58", "category": "Science", "image": "svg", "chroma:document": "ancient dna shows an endangered dove species endemic to cuba is more genetically distinct than the dodo was before it died out."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
iguanas floated one-fifth of the way around the world to colonize fiji|https://www.sciencedaily.com/releases/2025/03/250317160331.htm|2025-03-17 16:03:31|01121fec02022be101f00f00442f0d77ce8068ede4e1ee573f7d3a04aeb216a6

metadata:
{"title": "iguanas floated one-fifth of the way around the world to colonize fiji", "link": "https://www.sciencedaily.com/releases/2025/03/250317160331.htm", "original_description": "the only iguanas outside the americas, fiji iguanas are an enigma. a new genetic analysis shows that they are most closely related to the north american desert iguana, having separated about 34 million years ago, around the same time that the islands emerged from the sea. this suggests that the iguanas rafted 5,000 miles across the pacific from western north america to reach fiji -- the longest known transoceanic dispersal of any land animal.", "published": "2025-03-17 16:03:31", "category": "Science", "image": "svg", "chroma:document": "the only iguanas outside the americas, fiji iguanas are an enigma. a new genetic analysis shows that they are most closely related to the north american desert iguana, having separated about 34 million years ago, around the same time that the islands emerged from the sea. this suggests that the iguanas rafted 5,000 miles across the pacific from western north america to reach fiji -- the longest known transoceanic dispersal of any land animal."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
'microlightning' in water droplets may have sparked life on earth|https://www.sciencedaily.com/releases/2025/03/250314170431.htm|2025-03-14 17:04:31|f41f22bac903dd39ca62313df7317d4edd3501212c7b8894debea549c5f72c32

metadata:
{"title": "'microlightning' in water droplets may have sparked life on earth", "link": "https://www.sciencedaily.com/releases/2025/03/250314170431.htm", "original_description": "a study shows that electrical charges in sprays of water can cause chemical reactions that form organic molecules from inorganic materials. the findings provide evidence that microlightning may have helped create the building blocks necessary for early life on the planet.", "published": "2025-03-14 17:04:31", "category": "Science", "image": "svg", "chroma:document": "a study shows that electrical charges in sprays of water can cause chemical reactions that form organic molecules from inorganic materials. the findings provide evidence that microlightning may have helped create the building blocks necessary for early life on the planet."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
toi-1453: sub-neptune in system of two exoplanets|https://www.sciencedaily.com/releases/2025/03/250314113808.htm|2025-03-14 11:38:08|4bd01e59c7bb2cc65dc919b0c9560ad78350c6a3a9d8f546dafb9bd8735e4533

metadata:
{"title": "toi-1453: sub-neptune in system of two exoplanets", "link": "https://www.sciencedaily.com/releases/2025/03/250314113808.htm", "original_description": "astronomers have discovered two exoplanets around toi-1453, a star about 250 light years away. these two exoplanets, a super-earth and a sub-neptune, are common in the galaxy, yet are absent from our system. this discovery paves the way for future atmospheric studies to better understand these types of planets.", "published": "2025-03-14 11:38:08", "category": "Science", "image": "svg", "chroma:document": "astronomers have discovered two exoplanets around toi-1453, a star about 250 light years away. these two exoplanets, a super-earth and a sub-neptune, are common in the galaxy, yet are absent from our system. this discovery paves the way for future atmospheric studies to better understand these types of planets."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
weighing in on a mars water debate|https://www.sciencedaily.com/releases/2025/03/250313180455.htm|2025-03-13 18:04:55|20d46aa568685f98cef7b6aaec5550f1009de3fa6d332e9ae38b79394e7e1a90

metadata:
{"title": "weighing in on a mars water debate", "link": "https://www.sciencedaily.com/releases/2025/03/250313180455.htm", "original_description": "water once existed in abundance of at the surface of mars. how much of that water has been stored in the planet's crust is still unclear, according to a new analysis.", "published": "2025-03-13 18:04:55", "category": "Science", "image": "svg", "chroma:document": "water once existed in abundance of at the surface of mars. how much of that water has been stored in the planet's crust is still unclear, according to a new analysis."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
spinning, twisted light could power next-generation electronics|https://www.sciencedaily.com/releases/2025/03/250313151808.htm|2025-03-13 15:18:08|cd9b3e269a8aa415a44bb079803faae0b27cc5fe92b8f224d86c1ecad7944a45

metadata:
{"title": "spinning, twisted light could power next-generation electronics", "link": "https://www.sciencedaily.com/releases/2025/03/250313151808.htm", "original_description": "researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. the researchers have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of oled displays in television and smartphone screens, or power next-generation computing technologies such as spintronics and quantum computing.", "published": "2025-03-13 15:18:08", "category": "Science", "image": "svg", "chroma:document": "researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. the researchers have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of oled displays in television and smartphone screens, or power next-generation computing technologies such as spintronics and quantum computing."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
study highlights noninvasive hearing aid|https://www.sciencedaily.com/releases/2025/03/250313151757.htm|2025-03-13 15:17:57|1c0043a7b2bd6755cee97de57120e7f48c62ef562bf10e50f0d46e01b9904b0e

metadata:
{"title": "study highlights noninvasive hearing aid", "link": "https://www.sciencedaily.com/releases/2025/03/250313151757.htm", "original_description": "a study highlights a new approach in addressing conductive hearing loss. a team of scientists has designed a new type of hearing aid that not only improves hearing but also offers a safe, non-invasive alternative to implantable devices and corrective surgeries.", "published": "2025-03-13 15:17:57", "category": "Science", "image": "svg", "chroma:document": "a study highlights a new approach in addressing conductive hearing loss. a team of scientists has designed a new type of hearing aid that not only improves hearing but also offers a safe, non-invasive alternative to implantable devices and corrective surgeries."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
us bird populations continue alarming decline|https://www.sciencedaily.com/releases/2025/03/250313130951.htm|2025-03-13 13:09:51|1940c8c5eac64fd13981c60a9b9e225d856327a5cd4b6c914acb3c4be789ab86

metadata:
{"title": "us bird populations continue alarming decline", "link": "https://www.sciencedaily.com/releases/2025/03/250313130951.htm", "original_description": "the 2025 u. s. state of the birds report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in american bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action.", "published": "2025-03-13 13:09:51", "category": "Science", "image": "svg", "chroma:document": "the 2025 u. s. state of the birds report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in american bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
lg promo codes: extra 20% off|https://www.wired.com/story/lg-promo-code/|2025-03-18 05:30:00|40ece62460d35aac64bc95819d688fc033eacd2a73fa79ed72d4d74a3029591a

metadata:
{"title": "lg promo codes: extra 20% off", "link": "https://www.wired.com/story/lg-promo-code/", "original_description": "save 20% with an lg promo code and explore today\u2019s latest coupons for appliances and electronics.", "published": "2025-03-18 05:30:00", "category": "Tech", "image": "https://media.wired.com/photos/67b63b985a505b018b67ed90/master/pass/wired-coupons-r2_17.png", "chroma:document": "save 20% with an lg promo code and explore today\u2019s latest coupons for appliances and electronics."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
bose coupon codes & discounts: 10% off|https://www.wired.com/story/bose-coupon-code/|2025-03-18 05:00:00|ff453632f9ffeae08a1c894e1baabc99d6513290f39639e08ded28298bb7bb33

metadata:
{"title": "bose coupon codes & discounts: 10% off", "link": "https://www.wired.com/story/bose-coupon-code/", "original_description": "enjoy at least 10% off headphones, speakers, soundbars, and other audio products from bose.", "published": "2025-03-18 05:00:00", "category": "Tech", "image": "https://media.wired.com/photos/67b63b9283a9f95e0ab9b215/master/pass/wired-coupons-r2_3.png", "chroma:document": "enjoy at least 10% off headphones, speakers, soundbars, and other audio products from bose."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
donald trump held another million-dollar ‘candlelight’ dinner—with elon musk in tow|https://www.wired.com/story/trump-million-dollar-candlelight-dinner-elon-musk/|2025-03-17 22:43:03|915f698b2e9ec9b73e7a3a9f921ab0d137d823102a8c09efd4428ab1d7208d93

metadata:
{"title": "donald trump held another million-dollar \u2018candlelight\u2019 dinner\u2014with elon musk in tow", "link": "https://www.wired.com/story/trump-million-dollar-candlelight-dinner-elon-musk/", "original_description": "unlike the previous fundraiser, this event did not appear on president donald trump\u2019s official schedule.", "published": "2025-03-17 22:43:03", "category": "Tech", "image": "https://media.wired.com/photos/67d87b1672f3cfb6457630cf/master/pass/million-dollar-dinner-trump-politics-2205126566.jpg", "chroma:document": "unlike the previous fundraiser, this event did not appear on president donald trump\u2019s official schedule."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
everything you say to your echo will soon be sent to amazon, and you can’t opt out|https://www.wired.com/story/everything-you-say-to-your-echo-will-be-sent-to-amazon-starting-march-28/|2025-03-17 18:09:07|c22023f97167619b524a2d4d9e5eb47c51fadfb6aaeae36274298f67986345d7

metadata:
{"title": "everything you say to your echo will soon be sent to amazon, and you can\u2019t opt out", "link": "https://www.wired.com/story/everything-you-say-to-your-echo-will-be-sent-to-amazon-starting-march-28/", "original_description": "amazon is killing its \u201cdo not send voice recordings\u201d privacy feature on march 28 as the company aims to bolster alexa+, its new subscription assistant.", "published": "2025-03-17 18:09:07", "category": "Tech", "image": "https://media.wired.com/photos/67d85e1d66a17a14c827189f/master/pass/amazon-echo-privacy-sec-97612037%20.jpg", "chroma:document": "amazon is killing its \u201cdo not send voice recordings\u201d privacy feature on march 28 as the company aims to bolster alexa+, its new subscription assistant."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
how to shop for vinyl records online (2025): discogs, ebay|https://www.wired.com/story/how-to-shop-for-vinyl-online/|2025-03-17 14:02:00|856c31dc928e0a3546c7a55ff0b743adbcb9576bfb407ebdea2c17cded467a57

metadata:
{"title": "how to shop for vinyl records online (2025): discogs, ebay", "link": "https://www.wired.com/story/how-to-shop-for-vinyl-online/", "original_description": "don't just load up on amazon! here are the best ways to find your favorite records on wax.", "published": "2025-03-17 14:02:00", "category": "Tech", "image": "https://media.wired.com/photos/67d71775e784d4b8067ba635/master/pass/record-player-turntable-vinyl-headphones-gettyimages-2163788608-eyeem-mobile-gmbh-(cropped).jpg", "chroma:document": "don't just load up on amazon! here are the best ways to find your favorite records on wax."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
bitwarden review: the best password manager|https://www.wired.com/review/bitwarden-password-manager/|2025-03-17 13:02:00|4a7625d7cb2606aa53804d7bac3ddad182e005fbb4259282179482422573014d

metadata:
{"title": "bitwarden review: the best password manager", "link": "https://www.wired.com/review/bitwarden-password-manager/", "original_description": "bitwarden is open source and secure, has support for passkeys, and costs just $10 per year.", "published": "2025-03-17 13:02:00", "category": "Tech", "image": "https://media.wired.com/photos/67d6ff8715a0889a6cb0fb6e/master/pass/bitwarden-password-manager-(multiple-devieces)-source-bitwarden.jpg", "chroma:document": "bitwarden is open source and secure, has support for passkeys, and costs just $10 per year."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
7 best video doorbell cameras (2025): smart, battery, ai, budget, and subscription-free|https://www.wired.com/gallery/best-video-doorbells/|2025-03-17 12:33:00|d4d0e3cb21217d62858fb064b6ca25585bd61d915e74ece2f6b654909a073ceb

metadata:
{"title": "7 best video doorbell cameras (2025): smart, battery, ai, budget, and subscription-free", "link": "https://www.wired.com/gallery/best-video-doorbells/", "original_description": "never miss a delivery. these wired-tested picks will help you keep tabs on your front door from anywhere.", "published": "2025-03-17 12:33:00", "category": "Tech", "image": "https://media.wired.com/photos/67d707e526827645179d3714/master/pass/best%20smart%20doorbells%20collage%20032025%20source%20simon%20hill.jpg", "chroma:document": "never miss a delivery. these wired-tested picks will help you keep tabs on your front door from anywhere."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
8 best down comforters (2025), tested and reviewed|https://www.wired.com/gallery/best-down-comforters/|2025-03-17 12:01:00|4c1b28b66255897dcc36b48ba5e7336056d6c11d9c36133fbbb25627dbf7e66f

metadata:
{"title": "8 best down comforters (2025), tested and reviewed", "link": "https://www.wired.com/gallery/best-down-comforters/", "original_description": "snuggle up under our favorite comforters for every season and every budget.", "published": "2025-03-17 12:01:00", "category": "Tech", "image": "https://media.wired.com/photos/67d6fc5779c15074178985f8/master/pass/best%20down%20comforters%20reviewer%20collage%20032025%20source%20martin%20cizmar-molly%20higgins-louryn%20strampe.jpg", "chroma:document": "snuggle up under our favorite comforters for every season and every budget."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
how to choose a mattress|https://www.wired.com/story/how-do-i-find-a-mattress/|2025-03-17 11:31:00|8d2ce8604142d4a10411ef7d6c950275caca869125ad571a5b19adc610557a6e

metadata:
{"title": "how to choose a mattress", "link": "https://www.wired.com/story/how-do-i-find-a-mattress/", "original_description": "after testing nearly two dozen mattresses, i have some tips on how you can find the best mattress for you, from firmness and materials to deciphering warranties.", "published": "2025-03-17 11:31:00", "category": "Tech", "image": "https://media.wired.com/photos/67d6f63479c15074178985f6/master/pass/mattress-showroom-beds-furniture-store-gettyimages-1433340188-jackf-(cropped).jpg", "chroma:document": "after testing nearly two dozen mattresses, i have some tips on how you can find the best mattress for you, from firmness and materials to deciphering warranties."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
the anti-dei agenda is reprogramming america|https://www.wired.com/story/anti-dei-agenda-reprogramming-america/|2025-03-17 11:00:00|bd84cde9759ffbc17638758c4fb3f2545cd22cd4bb2b93701a581e1088b54310

metadata:
{"title": "the anti-dei agenda is reprogramming america", "link": "https://www.wired.com/story/anti-dei-agenda-reprogramming-america/", "original_description": "president trump\u2019s anti-dei playbook doesn\u2019t just affect the makeup of america\u2019s workplaces. it also impacts cultural production. just ask netflix\u2019s former head of diversity.", "published": "2025-03-17 11:00:00", "category": "Tech", "image": "https://media.wired.com/photos/67d21cea90f53a3ff103a42e/master/pass/netflix-dei-lead-culture-1203605173.jpg", "chroma:document": "president trump\u2019s anti-dei playbook doesn\u2019t just affect the makeup of america\u2019s workplaces. it also impacts cultural production. just ask netflix\u2019s former head of diversity."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
scientists unlock new dimension in light manipulation, ushering in a new era in photonic technology|https://phys.org/news/2025-03-scientists-dimension-ushering-era-photonic.html|2025-03-17 18:00:01|e7176558735794f600ce839a25be97259c976b38b240528058ef0a6d39be3fd8

metadata:
{"title": "scientists unlock new dimension in light manipulation, ushering in a new era in photonic technology", "link": "https://phys.org/news/2025-03-scientists-dimension-ushering-era-photonic.html", "original_description": "researchers at heriot-watt university have made a discovery that could pave the way for a transformative era in photonic technology. for decades, scientists have theorized the possibility of manipulating the optical properties of light by adding a new dimension\u2014time. this once-elusive concept has now become a reality thanks to nanophotonics experts from the school of engineering and physical sciences in edinburgh, scotland.", "published": "2025-03-17 18:00:01", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/scientists-unlock-new-1.jpg", "chroma:document": "researchers at heriot-watt university have made a discovery that could pave the way for a transformative era in photonic technology. for decades, scientists have theorized the possibility of manipulating the optical properties of light by adding a new dimension\u2014time. this once-elusive concept has now become a reality thanks to nanophotonics experts from the school of engineering and physical sciences in edinburgh, scotland."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
a new computational method for super-large-scale atomic structures|https://phys.org/news/2025-03-method-super-large-scale-atomic.html|2025-03-17 17:40:39|0e5fd8ee005b1ec512805805ea57ad389d2f027d357a93f96a25a1e686778a8b

metadata:
{"title": "a new computational method for super-large-scale atomic structures", "link": "https://phys.org/news/2025-03-method-super-large-scale-atomic.html", "original_description": "new theoretical physics research introduces a simulation method of machine-learning-based effective hamiltonian for super-large-scale atomic structures. this effective hamiltonian method could simulate much larger structures than the methods based on quantum mechanisms and classical mechanics.", "published": "2025-03-17 17:40:39", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/new-computational-meth-1.jpg", "chroma:document": "new theoretical physics research introduces a simulation method of machine-learning-based effective hamiltonian for super-large-scale atomic structures. this effective hamiltonian method could simulate much larger structures than the methods based on quantum mechanisms and classical mechanics."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
dialing in the temperature needed for precise nuclear timekeeping|https://phys.org/news/2025-03-dialing-temperature-precise-nuclear-timekeeping.html|2025-03-17 16:45:15|21e62bf1796d87f70aebb4b66c654da68790a8ab1c88ebc49848671e9c39a27a

metadata:
{"title": "dialing in the temperature needed for precise nuclear timekeeping", "link": "https://phys.org/news/2025-03-dialing-temperature-precise-nuclear-timekeeping.html", "original_description": "for decades, atomic clocks have been the pinnacle of precision timekeeping, enabling gps navigation, cutting-edge physics research, and tests of fundamental theories. but researchers at jila, led by jila and nist fellow and university of colorado boulder physics professor jun ye, in collaboration with the technical university of vienna, are pushing beyond atomic transitions to something potentially even more stable: a nuclear clock.", "published": "2025-03-17 16:45:15", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/dialing-in-the-tempera.jpg", "chroma:document": "for decades, atomic clocks have been the pinnacle of precision timekeeping, enabling gps navigation, cutting-edge physics research, and tests of fundamental theories. but researchers at jila, led by jila and nist fellow and university of colorado boulder physics professor jun ye, in collaboration with the technical university of vienna, are pushing beyond atomic transitions to something potentially even more stable: a nuclear clock."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
supercritical water's structure decoded: analysis finds no molecular clusters, just fleeting bonds|https://phys.org/news/2025-03-supercritical-decoded-analysis-molecular-clusters.html|2025-03-17 15:50:04|de307ff19ae66623d6391ba96c58d81385e6f7aa0237b22cd48b4419b6d6aec0

metadata:
{"title": "supercritical water's structure decoded: analysis finds no molecular clusters, just fleeting bonds", "link": "https://phys.org/news/2025-03-supercritical-decoded-analysis-molecular-clusters.html", "original_description": "researchers at ruhr university bochum, germany, have shed light on the structure of supercritical water. in this state, which exists at extreme temperatures and pressures, water has the properties of both a liquid and a gas at the same time. according to one theory, the water molecules form clusters, within which they are then connected by hydrogen bonds.", "published": "2025-03-17 15:50:04", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/structure-of-supercrit.jpg", "chroma:document": "researchers at ruhr university bochum, germany, have shed light on the structure of supercritical water. in this state, which exists at extreme temperatures and pressures, water has the properties of both a liquid and a gas at the same time. according to one theory, the water molecules form clusters, within which they are then connected by hydrogen bonds."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
study reveals the illusion of 'dazzle' paint on world war i battleships|https://phys.org/news/2025-03-reveals-illusion-dazzle-world-war.html|2025-03-17 15:49:03|8e79aaf39ed505ad7347aca241d28a08d92d3c61286ad291e9047f4fecda4beb

metadata:
{"title": "study reveals the illusion of 'dazzle' paint on world war i battleships", "link": "https://phys.org/news/2025-03-reveals-illusion-dazzle-world-war.html", "original_description": "a new analysis of 105-year-old data on the effectiveness of \"dazzle\" camouflage on battleships in world war i by aston university researchers professor tim meese and dr. samantha strong has found that while dazzle had some effect, the \"horizon effect\" had far more influence when it came to confusing the enemy.", "published": "2025-03-17 15:49:03", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/study-reveals-the-illu.jpg", "chroma:document": "a new analysis of 105-year-old data on the effectiveness of \"dazzle\" camouflage on battleships in world war i by aston university researchers professor tim meese and dr. samantha strong has found that while dazzle had some effect, the \"horizon effect\" had far more influence when it came to confusing the enemy."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
an acoustic ising machine: novel system tackles hard combinatorial problems|https://phys.org/news/2025-03-acoustic-ising-machine-tackles-hard.html|2025-03-17 13:09:05|e02b498f6a54e26fd041fe11e9cc42d52ede2af363df93897c254906dd67ff75

metadata:
{"title": "an acoustic ising machine: novel system tackles hard combinatorial problems", "link": "https://phys.org/news/2025-03-acoustic-ising-machine-tackles-hard.html", "original_description": "researchers at the university of gothenburg have developed a novel ising machine that utilizes surface acoustic waves as an effective carrier of dense information flow. this approach enables fast, energy-efficient solutions to complex optimization problems, offering a promising alternative to conventional computing methods based on von-neumann architecture. the findings are published in the journal communications physics.", "published": "2025-03-17 13:09:05", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/new-acoustic-system-ta.jpg", "chroma:document": "researchers at the university of gothenburg have developed a novel ising machine that utilizes surface acoustic waves as an effective carrier of dense information flow. this approach enables fast, energy-efficient solutions to complex optimization problems, offering a promising alternative to conventional computing methods based on von-neumann architecture. the findings are published in the journal communications physics."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
octupole excitation: research provides direct evidence for rare, pulsing pear shapes in gadolinium nuclei|https://phys.org/news/2025-03-octupole-evidence-rare-pulsing-pear.html|2025-03-17 12:53:03|a41a3cfa03ed0fdfc3a376a6f9ed2cdeec100efe42ff886340d261bf0ae9f958

metadata:
{"title": "octupole excitation: research provides direct evidence for rare, pulsing pear shapes in gadolinium nuclei", "link": "https://phys.org/news/2025-03-octupole-evidence-rare-pulsing-pear.html", "original_description": "for the first time, scientists have acquired direct evidence of rare, pulsing pear-shaped structures within atomic nuclei of the rare-earth element gadolinium, thanks to new research led by the university of surrey, the national physical laboratory (npl) and the ifin-hh research institute in bucharest, romania.", "published": "2025-03-17 12:53:03", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/direct-evidence-for-ra.jpg", "chroma:document": "for the first time, scientists have acquired direct evidence of rare, pulsing pear-shaped structures within atomic nuclei of the rare-earth element gadolinium, thanks to new research led by the university of surrey, the national physical laboratory (npl) and the ifin-hh research institute in bucharest, romania."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
q&a: crystallizing time—physicists create a new phase of matter in the center of a diamond|https://phys.org/news/2025-03-qa-crystallizing-physicists-phase-center.html|2025-03-17 12:51:39|18b45a635ccd63b29da9accaa838c3d6355090cdd0147320140ce964eb088dcb

metadata:
{"title": "q&a: crystallizing time\u2014physicists create a new phase of matter in the center of a diamond", "link": "https://phys.org/news/2025-03-qa-crystallizing-physicists-phase-center.html", "original_description": "in their ongoing efforts to push the boundaries of quantum possibilities, physicists in arts & sciences at washington university in st. louis have created a new type of \"time crystal,\" a novel phase of matter that defies common perceptions of motion and time.", "published": "2025-03-17 12:51:39", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/crystallizing-time.jpg", "chroma:document": "in their ongoing efforts to push the boundaries of quantum possibilities, physicists in arts & sciences at washington university in st. louis have created a new type of \"time crystal,\" a novel phase of matter that defies common perceptions of motion and time."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
from order to chaos: understanding the principles behind collective motion in bacteria|https://phys.org/news/2025-03-chaos-principles-motion-bacteria.html|2025-03-17 12:51:20|27b025c97a502f9ef211754cbcb46632c6656103511bd4dfc331c5d6e25162c2

metadata:
{"title": "from order to chaos: understanding the principles behind collective motion in bacteria", "link": "https://phys.org/news/2025-03-chaos-principles-motion-bacteria.html", "original_description": "the collective motion of bacteria\u2014from stable swirling patterns to chaotic turbulent flows\u2014has intrigued scientists for decades. when a bacterial swarm is confined in small circular space, stable rotating vortices are formed. however, as the radius of this confined space increases, the organized swirling pattern breaks down into a turbulent state.", "published": "2025-03-17 12:51:20", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/from-order-to-chaos-un-1.jpg", "chroma:document": "the collective motion of bacteria\u2014from stable swirling patterns to chaotic turbulent flows\u2014has intrigued scientists for decades. when a bacterial swarm is confined in small circular space, stable rotating vortices are formed. however, as the radius of this confined space increases, the organized swirling pattern breaks down into a turbulent state."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
milestone achieved in predicting turbulence in fusion plasmas|https://phys.org/news/2025-03-milestone-turbulence-fusion-plasmas.html|2025-03-17 11:38:04|33b750f42aa48ce172326c3fc1fadadaa4f31b1c3c89ba0ea47c68fb408d043a

metadata:
{"title": "milestone achieved in predicting turbulence in fusion plasmas", "link": "https://phys.org/news/2025-03-milestone-turbulence-fusion-plasmas.html", "original_description": "in a comprehensive experimental study, an international team of researchers has confirmed the calculations of a leading turbulence simulation code to an unprecedented degree. this marks a major breakthrough in understanding turbulent transport processes in nuclear fusion devices.", "published": "2025-03-17 11:38:04", "category": "Physics", "image": "https://scx1.b-cdn.net/csz/news/tmb/2025/milestone-achieved-in-1.jpg", "chroma:document": "in a comprehensive experimental study, an international team of researchers has confirmed the calculations of a leading turbulence simulation code to an unprecedented degree. this marks a major breakthrough in understanding turbulent transport processes in nuclear fusion devices."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
net zero by 2050 'impossible' for uk, says badenoch|https://www.bbc.com/news/articles/cly3pnjyzp4o|2025-03-17 22:55:05|557c609517d551b992a3af089073c8018c8c471e56283159c2379b177095d996

metadata:
{"title": "net zero by 2050 'impossible' for uk, says badenoch", "link": "https://www.bbc.com/news/articles/cly3pnjyzp4o", "original_description": "the conservative leader says the target is impossible \"without a serious drop in our living standards or by bankrupting us\".", "published": "2025-03-17 22:55:05", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/9d27/live/2fa7c430-037b-11f0-9ce8-2b19041e8f2b.jpg", "chroma:document": "the conservative leader says the target is impossible \"without a serious drop in our living standards or by bankrupting us\"."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
crackdown on government cards to cut 'wasteful' spending|https://www.bbc.com/news/articles/cvgp3ge97glo|2025-03-17 22:31:36|7e375b09166e0be43202416b15139dcf7c819119cae2d28718dc1e16270b6e35

metadata:
{"title": "crackdown on government cards to cut 'wasteful' spending", "link": "https://www.bbc.com/news/articles/cvgp3ge97glo", "original_description": "purchases include \u00a32,500 spent at a women's shoe shop in barbados and \u00a31,200 on luxury coffee pods.", "published": "2025-03-17 22:31:36", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/ff7a/live/f9963d70-03cc-11f0-bbde-f372f8924428.jpg", "chroma:document": "purchases include \u00a32,500 spent at a women's shoe shop in barbados and \u00a31,200 on luxury coffee pods."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
chris mason: trade-offs for ministers over towering benefits bill|https://www.bbc.com/news/articles/c30mr44p1elo|2025-03-17 10:49:51|c712c36623b47f61c18bc06832864055f8638ffdff77cfb5fcee05763929ed00

metadata:
{"title": "chris mason: trade-offs for ministers over towering benefits bill", "link": "https://www.bbc.com/news/articles/c30mr44p1elo", "original_description": "the government is aiming to save money while also protecting those who cannot work.", "published": "2025-03-17 10:49:51", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/2c07/live/cf116770-031b-11f0-9f12-9b6193ff4762.jpg", "chroma:document": "the government is aiming to save money while also protecting those who cannot work."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
labour's plan for benefits throws up a bigger dilemma|https://www.bbc.com/news/articles/cvgev3dvz3jo|2025-03-17 06:06:29|804c51bb3e78e4229b4d9a688f2bae21a87940206b2e032b5b8708686e284cdf

metadata:
{"title": "labour's plan for benefits throws up a bigger dilemma", "link": "https://www.bbc.com/news/articles/cvgev3dvz3jo", "original_description": "the debate has sparked a wider dilemma about the broader purpose of welfare", "published": "2025-03-17 06:06:29", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/1392/live/c8736b20-0311-11f0-8c3d-b7dcc7510cb1.png", "chroma:document": "the debate has sparked a wider dilemma about the broader purpose of welfare"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
twenty-nine councillors defect to reform uk|https://www.bbc.com/news/articles/c871wzx8r47o|2025-03-17 15:00:59|7b2b81566792c6eb3ed9b4933c2fe1fee8e466b51c5a30dd95897a831a99e874

metadata:
{"title": "twenty-nine councillors defect to reform uk", "link": "https://www.bbc.com/news/articles/c871wzx8r47o", "original_description": "nigel farage welcomes new members to his party and dismisses rupert lowe row as \"a bit of turbulence\".", "published": "2025-03-17 15:00:59", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/15ac/live/4d1a5740-0334-11f0-b55c-4f3c5296ab34.jpg", "chroma:document": "nigel farage welcomes new members to his party and dismisses rupert lowe row as \"a bit of turbulence\"."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
ex-ofsted boss says education secretary wants 'to please unions'|https://www.bbc.com/news/articles/cgq9kdvv24ko|2025-03-17 14:08:28|8935317f4c9fc50b2bb1578209003dc64f1a83d5b52384347ad4712b55092bb0

metadata:
{"title": "ex-ofsted boss says education secretary wants 'to please unions'", "link": "https://www.bbc.com/news/articles/cgq9kdvv24ko", "original_description": "the former head of ofsted amanda spielman says the government should \"think again\" on its reform proposals.", "published": "2025-03-17 14:08:28", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/2254/live/c0a42250-0329-11f0-9d83-c7f80f10afdc.jpg", "chroma:document": "the former head of ofsted amanda spielman says the government should \"think again\" on its reform proposals."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
encoding: FLOAT32
id:
'too much bureaucracy,' reeves tells regulators|https://www.bbc.com/news/articles/crmj14d220vo|2025-03-17 17:28:49|0322d33a0405a00b65939846dca63a8511e4424e6fe06fff2a947458d578c067

metadata:
{"title": "'too much bureaucracy,' reeves tells regulators", "link": "https://www.bbc.com/news/articles/crmj14d220vo", "original_description": "the chancellor wants to cut red tape to boost growth, but critics say there is no plan.", "published": "2025-03-17 17:28:49", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/7130/live/01924f20-0353-11f0-afda-6146e09cccfe.jpg", "chroma:document": "the chancellor wants to cut red tape to boost growth, but critics say there is no plan."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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nearly 42,000 uk asylum seekers waiting on appeal|https://www.bbc.com/news/articles/cn4837w4z2vo|2025-03-17 00:03:50|1d4fd4b163a97110d991bfcb3558e4d63c157416f9099307fd169235dd232415

metadata:
{"title": "nearly 42,000 uk asylum seekers waiting on appeal", "link": "https://www.bbc.com/news/articles/cn4837w4z2vo", "original_description": "refugee council said the number increased by five times in two years and those appealing still require accommodation.", "published": "2025-03-17 00:03:50", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/6dd7/live/40aa8de0-0294-11f0-86d2-77411124a5d3.jpg", "chroma:document": "refugee council said the number increased by five times in two years and those appealing still require accommodation."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
mental health conditions are overdiagnosed, streeting says|https://www.bbc.com/news/articles/cd7ejvr3y0zo|2025-03-16 21:00:36|0a99e335af1ded6f7031b4737e8f08dfd66a0a41db7e22bab8692e1ba63bb120

metadata:
{"title": "mental health conditions are overdiagnosed, streeting says", "link": "https://www.bbc.com/news/articles/cd7ejvr3y0zo", "original_description": "mental health charity mind warns it is important to be \"extremely careful\" with language around diagnoses.", "published": "2025-03-16 21:00:36", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/630a/live/578fdbc0-026a-11f0-8c3d-b7dcc7510cb1.jpg", "chroma:document": "mental health charity mind warns it is important to be \"extremely careful\" with language around diagnoses."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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plan to freeze key disability benefit may be dropped|https://www.bbc.com/news/articles/cy9dgwe1q27o|2025-03-16 11:27:47|306ddc16f11bb81f78ff05987657bb3914b01ab3737fa3e73475cf5e7db40037

metadata:
{"title": "plan to freeze key disability benefit may be dropped", "link": "https://www.bbc.com/news/articles/cy9dgwe1q27o", "original_description": "many usually loyal labour mps had voiced strong opposition to the idea of not increasing pip in line with inflation, as part of expected welfare cuts.", "published": "2025-03-16 11:27:47", "category": "Politics", "image": "https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/caf3/live/ebb091b0-01d3-11f0-b50e-9d086302645f.jpg", "chroma:document": "many usually loyal labour mps had voiced strong opposition to the idea of not increasing pip in line with inflation, as part of expected welfare cuts."}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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former nasa astronaut: ‘we’re a good 15 years away from going to mars’|https://thehill.com/policy/transportation/5199874-former-nasa-astronauts-mars/|2025-03-18 03:35:40|61830b9dc99193eade708bc5959a46fbdea0f631d56a3f2304c0c4baae14b8b3

metadata:
{"title": "former nasa astronaut: \u2018we\u2019re a good 15 years away from going to mars\u2019", "link": "https://thehill.com/policy/transportation/5199874-former-nasa-astronauts-mars/", "original_description": "former nasa astronaut jos\u00e9 hern\u00e1ndez said monday that travel to mars is \u201ca good 15 years away.\u201d \u201cas i&#8217;ve always said \u2026 space travel is not trivial, and so what we need to do next is, we&#8217;re going to retire the international space station, invest that \u2014 that operational money in developing a lunar base&#8230;", "published": "2025-03-18 03:35:40", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2024/02/nasa_spacex_020824ap.jpg?w=900", "chroma:document": "former nasa astronaut jos\u00e9 hern\u00e1ndez said monday that travel to mars is \u201ca good 15 years away.\u201d \u201cas i&#8217;ve always said \u2026 space travel is not trivial, and so what we need to do next is, we&#8217;re going to retire the international space station, invest that \u2014 that operational money in developing a lunar base&#8230;"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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new york post says musk is ‘way out of his lane’ in calling for impeachment of judge boasberg|https://thehill.com/homenews/media/5199813-new-york-post-elon-musk-impeachment-judge-boasberg/|2025-03-18 02:44:22|b0a543e256897d814b29f382851a55242915534ce3cb767374f0d573b03a1e20

metadata:
{"title": "new york post says musk is \u2018way out of his lane\u2019 in calling for impeachment of judge boasberg", "link": "https://thehill.com/homenews/media/5199813-new-york-post-elon-musk-impeachment-judge-boasberg/", "original_description": "the editorial board of the new york post went after tech billionaire elon musk on sunday, stating that he is \u201cway out of his lane\u201d in calling for the impeachment of a judge who temporarily blocked the trump administration from carrying out deportations under the alien enemies act. \u201celon musk is way out of his&#8230;", "published": "2025-03-18 02:44:22", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2025/03/ap25070731402081.jpg?w=900", "chroma:document": "the editorial board of the new york post went after tech billionaire elon musk on sunday, stating that he is \u201cway out of his lane\u201d in calling for the impeachment of a judge who temporarily blocked the trump administration from carrying out deportations under the alien enemies act. \u201celon musk is way out of his&#8230;"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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trump displays declaration of independence copy in the oval office|https://thehill.com/homenews/administration/5199767-trump-declaration-of-independence-oval-office/|2025-03-18 00:10:52|d1328c0c8ca749e8e68df4cb6ce38af7be8536a2e25857af54ab650450fb20fe

metadata:
{"title": "trump displays declaration of independence copy in the oval office", "link": "https://thehill.com/homenews/administration/5199767-trump-declaration-of-independence-oval-office/", "original_description": "president trump is displaying a copy of the declaration of independence in the oval office after requesting it from the national archives, according to a photograph he shared on monday. \u201cthe nationals archives delivered the declaration of independence to the white house at the president\u2019s request. it is displayed in the oval office where it&#8230;", "published": "2025-03-18 00:10:52", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2025/03/ap070122034369-e1742256529278.jpg?w=900", "chroma:document": "president trump is displaying a copy of the declaration of independence in the oval office after requesting it from the national archives, according to a photograph he shared on monday. \u201cthe nationals archives delivered the declaration of independence to the white house at the president\u2019s request. it is displayed in the oval office where it&#8230;"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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trump taps bryan bedford to head faa|https://thehill.com/homenews/administration/5199714-trump-taps-bryan-bedford-to-head-faa/|2025-03-17 23:35:37|a810f41ce6a879e89fdde4537dfc8cf4760ba9b2ea02eddad3ee7185c59e64b5

metadata:
{"title": "trump taps bryan bedford to head faa", "link": "https://thehill.com/homenews/administration/5199714-trump-taps-bryan-bedford-to-head-faa/", "original_description": "president trump has tapped bryan bedford, the president and ceo of republic airways, to head the federal aviation administration (faa). \u201cbrian brings over three decades of experience in aviation and executive leadership to this critical position,\u201d trump said in a truth social post. \u201cbryan will work with our great secretary of transportation, sean duffy, to&#8230;", "published": "2025-03-17 23:35:37", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2025/03/trump_doj3_03142025_7e9647.jpg?w=900", "chroma:document": "president trump has tapped bryan bedford, the president and ceo of republic airways, to head the federal aviation administration (faa). \u201cbrian brings over three decades of experience in aviation and executive leadership to this critical position,\u201d trump said in a truth social post. \u201cbryan will work with our great secretary of transportation, sean duffy, to&#8230;"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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the memo: trump ratchets up confrontation with judiciary|https://thehill.com/homenews/administration/5199680-trump-executive-confrontation-judiciary/|2025-03-17 23:15:36|e9315b3b0233dea16c137d494045679b2be42fa312530c77bd7356346239f404

metadata:
{"title": "the memo: trump ratchets up confrontation with judiciary", "link": "https://thehill.com/homenews/administration/5199680-trump-executive-confrontation-judiciary/", "original_description": "president trump and his administration ramped up their confrontation with the judiciary to extraordinary heights monday, demanding that a judge whose ruling had incurred their disfavor should be removed from the case. that move comes amid a still-murky controversy over the extent to which the white house ignored the judge\u2019s earlier order in the high-profile&#8230;", "published": "2025-03-17 23:15:36", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2025/03/trumpdonald_031225gn08_w.jpg?w=900", "chroma:document": "president trump and his administration ramped up their confrontation with the judiciary to extraordinary heights monday, demanding that a judge whose ruling had incurred their disfavor should be removed from the case. that move comes amid a still-murky controversy over the extent to which the white house ignored the judge\u2019s earlier order in the high-profile&#8230;"}


created_at: 2025-03-18 09:12:45
topic: persistent://default/default/fcee209d-857e-4fed-83d4-f302cd701247
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id:
third challenge filed to trump’s order on transgender troops|https://thehill.com/homenews/lgbtq/5199691-third-challenge-trump-order-transgender-troops/|2025-03-17 23:13:07|60d2cedcda691173b0a6a8bd37738246a6b240a72dea6cb5481d96ad15c0055b

metadata:
{"title": "third challenge filed to trump\u2019s order on transgender troops", "link": "https://thehill.com/homenews/lgbtq/5199691-third-challenge-trump-order-transgender-troops/", "original_description": "two transgender service members are suing the trump administration over a pair of executive orders targeting transgender americans and their implementation by the u.s. military.&#160; the lawsuit filed monday in the u.s. district court for the district of new jersey by two transgender men \u2014 master sgt. logan ireland and staff sgt. nicholas bear bade&#8230;", "published": "2025-03-17 23:13:07", "category": "Politics", "image": "https://thehill.com/wp-content/uploads/sites/2/2025/03/ap20168483247515.jpg?w=900", "chroma:document": "two transgender service members are suing the trump administration over a pair of executive orders targeting transgender americans and their implementation by the u.s. military.&#160; the lawsuit filed monday in the u.s. district court for the district of new jersey by two transgender men \u2014 master sgt. logan ireland and staff sgt. nicholas bear bade&#8230;"}


