A criterion for unitary congruence between matrices

DOI10.1134/S1064562411020013zbMath1232.15012OpenAlexW2060442892MaRDI QIDQ656266

Yurii A. Al'pin, Khakim D. Ikramov

Publication date: 17 January 2012

Published in: Doklady Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s1064562411020013

zbMATH Keywords

unitary congruence

Mathematics Subject Classification ID

Canonical forms, reductions, classification (15A21)

Related Items (6)

Local unitary equivalence of quantum states and simultaneous orthogonal equivalence ⋮ Unitary congruence to a conjugate-normal matrix ⋮ Simultaneous unitary equivalences ⋮ Effective algorithms for decomplexifying a matrix by unitary similarities or congruences ⋮ A criterion for unitary congruence between complex matrices ⋮ OPUC, CMV matrices and perturbations of measures supported on the unit circle

Cites Work

• An upper bound for the length of a finite-dimensional algebra
• A complete set of unitary invariants for operators generating finite \(W^ *\)-algebras of type I
• Matrix Analysis
• A characterization of unitary congruence

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