Weylness of 2 × 2 operator matrices

DOI10.1002/mana.201600424OpenAlexW2755274810MaRDI QIDQ4603110

Alatancang Chen, Xiu Feng Wu, Jun-Jie Huang

Publication date: 19 February 2018

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mana.201600424

zbMATH Keywords

Weyl operator\(2\times 2\) operator matrixright (left) Weyl operator

Mathematics Subject Classification ID

(Semi-) Fredholm operators; index theories (47A53) Special classes of linear operators (47B99)

Related Items (6)

Uniqueness theorems for recovering the inverse image under degenerate transformations ⋮ Invertibility properties of operator matrices on Hilbert spaces ⋮ Fredholm properties of upper triangular matrices of relations ⋮ Essential spectra of upper triangular relation matrices ⋮ On Weyl completions of partial operator matrices ⋮ On the range of upper triangular relation matrices

Cites Work

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• On the perturbations of spectra of upper triangular operator matrices
• Drazin spectrum of operator matrices on the Banach space
• On the right (left) invertible completions for operator matrices
• The semi-Fredholmness of \(2\times 2\) operator matrices
• Complete controllability of spectrum assignment in infinite dimensional spaces
• Essential approximate point spectra and Weyl's theorem for operator matrices
• Invertible completions of operator matrices
• Weyl spectra of operator matrices
• Riesz points of upper triangular operator matrices
• A note on Weyl’s theorem for operator matrices
• Spectra of upper triangular operator matrices
• The boundedness below of \(2\times 2\) upper triangular operator matrices

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