On some local spectral theory and bounded local resolvent of operator matrices

DOI10.21136/MB.2017.0052-16zbMath1487.47012OpenAlexW2617622714MaRDI QIDQ4568250

Abdelaziz Tajmouati, A. El Bakkali, Mohammed Karmouni

Publication date: 15 June 2018

Published in: Mathematica Bohemica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.21136/mb.2017.0052-16

zbMATH Keywords

operator matrixsingle-valued extension propertylocal resolvent function

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Local spectral properties of linear operators (47A11) Operator matrices (47A08)

Related Items (1)

Limit points for left and right spectra of operator matrices

Cites Work

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• Perturbation of spectra of operator matrices and local spectral theory
• On the boundedness of the local resolvent function
• Local spectral theory for \(2\times 2\) operator matrices
• Local spectral properties of a square matrix of operators
• Invariant subspaces and localizable spectrum
• On bounded local resolvents
• SVEP and local spectral radius formula for unbounded operators
• Perturbation of Spectrums of 2 × 2 Operator Matrices
• A note on the spectrum of an upper triangular operator matrix
• Invertible completions of $2\times 2$ upper triangular operator matrices
• Spectra of upper triangular operator matrices
• Essential, Weyl and Browder spectra of unbounded upper triangular operator matrices

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