sigmoid-colon 发表于 2025-3-25 04:36:35

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JUST 发表于 2025-3-25 11:15:47

8 Bounded Perturbations of Nonselfadjoint Operators,nvertibility conditions and bounds for the spectra of such operators. In particular, we consider perturbations of the von Neumann - Schatten operators and operators with von Neumann - Schatten Hermitian components.

预感 发表于 2025-3-25 11:45:20

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使残废 发表于 2025-3-25 18:05:32

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NOT 发表于 2025-3-25 22:50:29

16 Hille - Tamarkin Integral Operators,e inverse operators and positive invertibility conditions are established. In addition, bounds for the spectral radius are suggested. Applications to nonselfadjoint differential operators and integro-differential ones are also discussed.

银版照相 发表于 2025-3-26 03:02:02

17 Integral Operators in Space ,,,sitive invertibility conditions are established. In addition, bounds for the spectral radius are suggested. Applications to nonselfadjoint differential operators and integro-differential ones are also discussed.

无聊点好 发表于 2025-3-26 06:09:03

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相容 发表于 2025-3-26 10:47:34

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Detoxification 发表于 2025-3-26 14:35:09

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暴露他抗议 发表于 2025-3-26 18:20:55

3 Invertibility of Finite Matrices,The present chapter deals with various types of invertibility conditions for finite matrices. In particular, we improve the classical Levy-Desplanques theorem and other well-known invertibility results for matrices that are close to triangular ones.
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查看完整版本: Titlebook: Operator Functions and Localization of Spectra; Michael I. Gil’ Book 2003 Springer-Verlag Berlin Heidelberg 2003 Eigenvalue.Hilbert space.