First order structure-preserving perturbation theory for eigenvalues of symplectic matrices. II

DOI10.1016/j.laa.2024.02.018OpenAlexW4392104247MaRDI QIDQ6131335

Christian Mehl, Julio Moro, Fredy Sosa

Publication date: 5 April 2024

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2024.02.018

zbMATH Keywords

Newton polygonasymptotic expansionssymplectic matricesmultiplicative perturbationsperturbation of eigenvaluesstructure-preserving perturbations

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Perturbation theory of linear operators (47A55) Canonical forms, reductions, classification (15A21)

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