Positive matrices partitioned into a small number of Hermitian blocks
Jean-Christophe BourinEun-Young LeeMinghua Lin
所有作者
Jean-Christophe BourinEun-Young LeeMinghua Lin
文献摘要
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