Perturbation of unbounded linear operators by \(\gamma \)-relative boundedness

DOI10.1007/S11587-017-0341-0OpenAlexW2766176882MaRDI QIDQ1623025

Faten Bouzayeni, Aymen Ammar, Aref Jeribi

Publication date: 22 November 2018

Published in: Ricerche di Matematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11587-017-0341-0

zbMATH Keywords

\(\gamma \)-relative boundednesssome block matricesthe gap

Mathematics Subject Classification ID

General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items (1)

New results on perturbations of p-adic linear operators

Cites Work

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• Measure of weak noncompactness, some new properties in Fredholm theory, characterization of the Schechter essential spectrum and application to transport operators
• Perturbations of Unbounded Fredholm Linear Operators in Banach Spaces
• Spectral Theory and Applications of Linear Operators and Block Operator Matrices
• Essential spectra of some matrix operators involving γ-relatively bounded entries and an application

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