Let A be a complex diagonalizable matrix with two distinct nonzero eigenvalues λ and μ, the Yang-Baxter-like matrix equation AXA = XAX is reconsidered. We correct and improve the results in Shen et al ...
One of the essential dilemmas in our lives is choosing between what is urgent and what is important. Years ago, Stephen Covey placed both issues on a 2x2 matrix, giving new light by having us consider ...
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