The semi-Fredholmness of \(2\times 2\) operator matrices
type: Item
instance of: scholarly article
title: The semi-Fredholmness of \(2\times 2\) operator matrices
zbMATH Open document ID: 1216.47019
author: Alatancang
author: Guojun Hai
published in: Journal of Mathematical Analysis and Applications
publication date: 2009-05-20T00:00:00Z
Mathematics Subject Classification ID: 47A53
zbMATH DE Number: 5555785
zbMATH Keywords: operator matrices
zbMATH Keywords: right (left) Fredholm operator
zbMATH Keywords: right (left) essential spectrum
MaRDI profile type: Publication
full work available at URL: j.jmaa.2008.11.035
OpenAlex ID: W2093160576
cites work: Perturbation of Spectrums of 2 × 2 Operator Matrices
cites work: The boundedness below of \(2\times 2\) upper triangular operator matrices
cites work: Q4422033
cites work: Essential approximate point spectra and Weyl's theorem for operator matrices
cites work: Semi-Fredholm spectrum and Weyl's theorem for operator matrices
cites work: Browder essential approximate point spectra and hypercyclicity for operator matrices
cites work: The intersection of essential approximate point spectra of operator matrices
cites work: The intersection of left (right) spectra of \(2 \times 2\) upper triangular operator matrices
cites work: Browder spectra of upper-triangular operator matrices
cites work: Perturbation of spectra of operator matrices and local spectral theory
cites work: Essential point spectra of operator matrices trough local spectral theory
cites work: Q4284402
cites work: Invertible completions of operator matrices
cites work: On Majorization, Factorization, and Range Inclusion of Operators on Hilbert Space
DOI: 10.1016/J.JMAA.2008.11.035
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description: scientific article; zbMATH DE number 5555785