Block perturbation of symplectic matrices in Williamson’s theorem

DOI10.4153/S0008439523000620arXiv2307.01078OpenAlexW4385839037WikidataQ123160380 ScholiaQ123160380MaRDI QIDQ6150581

Gajendra Babu, Hemant Kumar Mishra

Publication date: 9 February 2024

Published in: Canadian Mathematical Bulletin (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2307.01078

zbMATH Keywords

perturbationpositive definite matrixsymplectic matrixsymplectic eigenvalueWilliamson's theorem

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Positive matrices and their generalizations; cones of matrices (15B48) Canonical forms, reductions, classification (15A21)

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