New characterizations of k-normal and k-EP matrices

DOI: 10.48129/kjs.16087

Authors

  • ZhiMei Fu Dept. of Mathematics Hubei Normal University, China
  • Kezheng Zuo Dept. of Mathematics Hubei Normal University, China
  • Yang Chen 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 the core-EP decomposition. We obtain several equivalent conditions for a matrix A to be k-normal and k-EP in terms of certain generalized inverses.

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Published

25-09-2022

Issue

Vol. 49 No. 4 (2022): Kuwait Journal of Science

Section

Mathematics