About: Keio engineering reports is an academic journal. The journal publishes majorly in the area(s): Central limit theorem & Donsker's theorem. Over the lifetime, 59 publications have been published receiving 214 citations.
TL;DR: In this article, necessary and sufficient conditions for a pair of consistent linear matrix equations to have a common solution are given, and a simpler algebraic proof o£ Mitra's theorem on the rank of sum of non-negative definite matrices is also given.
Abstract: Some necessary and sufficient conditions for a pair of consistent linear matrix equations to have a common solution are given. A simpler algebraic proof o£ Mitra's theorem on the rank of sum of non-negative definite matrices is also given.