On the quasi-Fredholm and Saphar spectrum of strongly continuous cosine operator function

DOI10.2478/MJPAA-2021-0008MaRDI QIDQ6491237

Hamid Boua

Publication date: 24 April 2024

Published in: Moroccan Journal of Pure and Applied Analysis (Search for Journal in Brave)

zbMATH Keywords

cosinesemi-regularquasi-FredholmSaphar

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Integrated semigroups (47D62)

Cites Work

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• Les opérateurs quasi Fredholm: Une généralisation des opérateurs semi Fredholm
• Ordinary differential equations in linear topological space. II
• Vector-valued Laplace Transforms and Cauchy Problems
• A Cosine Functional Equation in Hilbert Space
• Inverses Generalises D'Operateurs Non Bornes
• Cosine families and abstract nonlinear second order differential equations
• Symmetric difference between pseudo B-Fredholm spectrum and spectra originated from fredholm theory
• Spectral theory of linear operators and spectral systems in Banach algebras

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