An algorithm verifying the congruence of complex matrices whose cosquares have eigenvalues of modulus one

DOI10.3103/S0278641920040020zbMath1464.15020OpenAlexW3118526748MaRDI QIDQ2656012

V. A. Usov, Khakim D. Ikramov

Publication date: 18 March 2021

Published in: Moscow University Computational Mathematics and Cybernetics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3103/s0278641920040020

zbMATH Keywords

congruencesJordan formcanonical formsimilaritiesrational algorithmcosquares

Mathematics Subject Classification ID

Linear transformations, semilinear transformations (15A04) Canonical forms, reductions, classification (15A21)

Related Items (2)

An unusual criterion for normality of nonsingular matrices ⋮ On matrices having \(J_m(1)\oplus J_m(1)\) as their cosquare

Cites Work

• The method of symmetric and Hermitian forms in the theory of the separation of the roots of algebraic equations
• On the Congruent Selection of Jordan Blocks from a Singular Square Matrix
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