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Invariant subspaces of analytic perturbations - MaRDI portal

Invariant subspaces of analytic perturbations

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Publication:6633319

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DOI10.1090/spmj/1821MaRDI QIDQ6633319

Jaydeb Sarkar, Susmita Das

Publication date: 5 November 2024

Published in: St. Petersburg Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

perturbations invariant subspaces reproducing kernels Toeplitz operators shift operators inner functions commutants

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Perturbation theory of linear operators (47A55) Invariant subspaces of linear operators (47A15) Hilbert spaces with reproducing kernels (= (proper) functional Hilbert spaces, including de Branges-Rovnyak and other structured spaces) (46E22) Hardy spaces (30H10) Inner functions of one complex variable (30J05)

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