Spectra of upper triangular operator matrices

DOI10.1090/S0002-9939-05-07812-3zbMath1067.47005MaRDI QIDQ5461313

Hassane Zguitti, Chafiq Benhida, El Hassan Zerouali

Publication date: 26 July 2005

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

spectraoperator matriceslocal spectral theory

Mathematics Subject Classification ID

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

Related Items (18)

SVEP for multipliers on a faithful commutative Banach algebra ⋮ On Taylor and other joint spectra for commuting \(n\)-tuples of operators ⋮ A note on Drazin invertibility for upper triangular block operators ⋮ On some local spectral theory and bounded local resolvent of operator matrices ⋮ The point spectrum and residual spectrum of upper triangular operator matrices ⋮ Self-adjoint perturbations of spectra for upper triangular operator matrices ⋮ Spectra of \(3 \times 3\) upper triangular operator matrices ⋮ On the left (right) invertibility of operator matrices ⋮ The decomposability for operator matrices and perturbations ⋮ Weylness of 2 × 2 operator matrices ⋮ Upper triangular operator matrices and limit points of the essential spectrum ⋮ Generalized Drazin-type spectra of Operator matrices ⋮ Right and left Weyl operator matrices in a Banach space setting ⋮ Generalized Weyl spectrum of upper triangular operator matrices ⋮ Consistent invertibility of upper triangular operator matrices ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Asymetric Fuglede Putnam’s theorem for operators reduced by their eigenspaces

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