At the conference , Dr. Yau had a brainstorm , realizing he could disprove a longstanding conjecture by the University of Pennsylvania professor Eugenio Calabi that the dimensions of space could be curled up like the loops in a carpet .
Eugenio Calabi /business/person/company University of Pennsylvania
IN DT NN , NNP NNP VBD DT NN , VBG PRP MD VB DT JJ NN IN DT NNP IN NNP NN NNP NNP IN DT NNS IN NN MD VB VBN RP IN DT NNS IN DT NN .
Eugenio Calabi
PERSON
University of Pennsylvania
ORGANIZATION
/business/person/company