Positive matrices partitioned into a small number of Hermitian blocks
Functional Analysis
2012-10-11 v1
Abstract
Positive semidefinite matrices partitioned into a small number of Hermitian blocks have a remarkable property. Such a matrix may be written in a simple way from the sum of its diagonal blocks
Keywords
Cite
@article{arxiv.1210.2914,
title = {Positive matrices partitioned into a small number of Hermitian blocks},
author = {Jean-Christophe Bourin and Eun-Young Lee and Minghua Lin},
journal= {arXiv preprint arXiv:1210.2914},
year = {2012}
}