학술논문

A counterexample to the Drury permanent conjecture
Document Type
article
Source
Special Matrices, Vol 5, Iss 1, Pp 301-302 (2017)
Subject
positive semidefinite matrices
matrix permanent
15a15
15b48
Mathematics
QA1-939
Language
English
ISSN
2300-7451
Abstract
We offer a counterexample to a conjecture concerning the permanent of positive semidefinite matrices. The counterexample is a 4 × 4 complex correlation matrix.