On matrices having \(J_m(1)\oplus J_m(1)\) as their cosquare

DOI10.1134/S0001434621070075zbMath1475.15014OpenAlexW3195219523MaRDI QIDQ2049286

Khakim D. Ikramov

Publication date: 25 August 2021

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0001434621070075

zbMATH Keywords

rational algorithmcosquarecongruent matrices

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Canonical forms, reductions, classification (15A21) Diagonalization, Jordan forms (15A20) Applications of generalized inverses (15A10)

Cites Work

• On the parameters of the singular part of the Horn-Sergeichuk regularizing decomposition
• An algorithm verifying the congruence of complex matrices whose cosquares have eigenvalues of modulus one
• On the Congruent Selection of Jordan Blocks from a Singular Square Matrix
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