---
author:
- |
    James Demmel, Laura Grigori,\
    Mark Hoemmen, and Julien Langou
bibliography:
- 'qr.bib'
title: 'Communication-optimal parallel and sequential QR and LU factorizations: theory and practice'
---

Appendix {#appendix .unnumbered}
========

{'source': 'arXiv_out/0806'}