Finite rank perturbations of normal operators: spectral idempotents and decomposability

DOI10.1016/j.jfa.2023.110148OpenAlexW4386295680MaRDI QIDQ6072347

Eva A. Gallardo-Gutiérrez, F. Javier González-Doña

Publication date: 13 October 2023

Published in: Journal of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jfa.2023.110148

zbMATH Keywords

invariant subspacesdecomposable operatorsspectral subspacesfinite rank perturbations of normal operators

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Perturbation theory of linear operators (47A55) Invariant subspaces of linear operators (47A15)

Cites Work

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• On rank-one perturbations of normal operators, II
• Indecomposable Compact Perturbations of the Bilateral Shift
• On Decomposability of Compact Perturbations of Normal Operators
• On Decomposability of Compact Perturbations of Operators
• Rank-one perturbations of diagonal operators

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