On a constructive procedure for verifying whether a matrix can be made real by a unitary similarity transformation

DOI10.1134/S0965542510030012zbMath1224.15024OpenAlexW2068873705MaRDI QIDQ2995833

Khakim D. Ikramov

Publication date: 4 May 2011

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0965542510030012

zbMATH Keywords

unitary matricescomplex matrixunitary similarity transformationreal matricesTakagi theoremDanilevsky methodsimple real spectrumSpecht criterion

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Hermitian, skew-Hermitian, and related matrices (15B57) Canonical forms, reductions, classification (15A21) Orthogonal matrices (15B10)

Related Items (1)

Constructive sufficient conditions for the existence of a unitary similarity transformation that converts a given complex matrix into a real one

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