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scientific article; zbMATH DE number 4184223 - MaRDI portal

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Publication:5749849

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zbMath0718.47019MaRDI QIDQ5749849

V. R. Ol'shevskij

Publication date: 1990

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

indefinite inner product invertible selfadjoint operator lengths of Jordan chains perturbations of holomorphic operator functions

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)

Related Items (1)

Stability of self-adjoint square roots and polar decompositions in indefinite scalar product spaces

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