Generalized Drazin-type spectra of Operator matrices

DOI10.4067/S0716-09172018000100119zbMath1442.47002MaRDI QIDQ3295195

M. Abkari, Abdelaziz Tajmouati, Mohammed Karmouni

Publication date: 8 July 2020

Published in: Proyecciones (Antofagasta) (Search for Journal in Brave)

zbMATH Keywords

approximate point spectrumoperator matricessingle-valued extension propertygeneralized Drazin spectrumsurjective spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Local spectral properties of linear operators (47A11) Operator matrices (47A08)

Cites Work

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• Perturbation of spectra of operator matrices and local spectral theory
• Local spectral properties of a square matrix of operators
• Generalized Drazin spectrum of operator matrices
• Spectra of Upper-triangular Operator Matrix
• A generalized Drazin inverse
• Spectra of upper triangular operator matrices
• On pseudo B-Weyl operators and generalized Drazin invertibility for operator matrices

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