Continuity of spectrum and approximate point spectrum on operator matrices

DOI10.1016/j.jmaa.2011.01.062zbMath1232.47003OpenAlexW2051942476MaRDI QIDQ631861

Salvador Sánchez-Perales, Slaviša V. Djordjević

Publication date: 14 March 2011

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2011.01.062

zbMATH Keywords

operator matricescontinuity of the spectrumapproximative point spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10)

Related Items (2)

Spectral continuity using \(\nu\)-convergence ⋮ Dichotomy spectra of triangular equations

Cites Work

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• Perturbation of spectra of operator matrices and local spectral theory
• Operators that are points of spectral continuity
• Operators that are points of spectral continuity. II
• Essential point spectra of operator matrices trough local spectral theory
• The variation of spectra
• Spectral continuity for operator matrices
• Another note on Weyl’s theorem
• SHIFTS ON BANACH SPACES
• Invertible completions of $2\times 2$ upper triangular operator matrices

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