New characterizations of k-normal and k-EP matrices

DOI: 10.48129/kjs.16087

Authors

  • Kezheng Zuo Dept. of Mathematics Hubei Normal University, China
  • ZhiMei Fu Dept. of Mathematics Hubei Normal University, China
  • Yang Chen3 Dept. of Mathematics Hubei Normal University, China

DOI:

https://doi.org/10.48129/kjs.16087

Abstract

In this paper, some new characterizations of k-normal and k-EP matrices are obtained using theĀ core-EP decomposition. We obtain several equivalent conditions for a matrix A to be k-normalĀ and k-EP in terms of certain generalized inverses.

Published

14-12-2021

Issue

Section

Mathematics