Essential approximate point spectra and Weyl's theorem for operator matrices
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Publication:1772392
DOI10.1016/j.jmaa.2004.09.053zbMath1083.47006OpenAlexW2037423239MaRDI QIDQ1772392
Publication date: 18 April 2005
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.2004.09.053
Weyl's theorema-Weyl's theoremWeyl spectrumBrowder's theoremessential approximate point spectrumupper triangular operator matrix
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Cites Work
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- Weyl's theorem for operator matrices
- The reduced minimum modulus
- Theorems on ascent, descent, nullity and defect of linear operators
- $a$-Weyl’s theorem for operator matrices
- Perturbation of Spectrums of 2 × 2 Operator Matrices
- Another note on Weyl’s theorem
- Weyl spectra of operator matrices
- Invertible completions of $2\times 2$ upper triangular operator matrices
- The boundedness below of \(2\times 2\) upper triangular operator matrices
