Solving the Yang-Baxter-Like Matrix Equation For a Rank-One Matrix

Document Type

Article

Publication Date

1-1-2023

Department

Mathematics

School

Mathematics and Natural Sciences

Abstract

We reduce the problem of solving the Yang-Baxter-like matrix equation AXA = XAX, where A is a rank-one matrix, to that of solving linear matrix equations, obtaining all solutions. We use a direct and unified approach for the both cases that A is diagonalizable or otherwise, instead of seeking the help of the Jordan canonical form or factorization of A. Based on the characterizations for the solutions, we derive a perturbation result when A is not diagonalizable.

Publication Title

Journal of Applied Analyis and Computation

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