Mathematics of Computation, Vol. 77, No. 261 (Jan., 2008), pp. 353-378 (26 pages) We consider the problem of completion of a matrix with a specified lower triangular part to a unitary matrix. In this ...
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 ...
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