Generalized Weyl spectrum of upper triangular operator matrices

DOI10.1007/S00009-014-0426-XzbMath1321.47008OpenAlexW2010815118MaRDI QIDQ493344

Guangfang Li, Alatancang Chen, Guo-jun Hai

Publication date: 3 September 2015

Published in: Mediterranean Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00009-014-0426-x

zbMATH Keywords

upper triangular operator matricesgeneralized Weyl operatorgeneralized Weyl spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

Related Items (2)

Perturbing the spectrum of operator \(T_n^d(A)\) ⋮ The local spectrum, property \((\beta)\) and decomposability of operator matrices

Cites Work

• A note on Drazin invertibility for upper triangular block operators
• The reduced minimum modulus
• On generalized Weyl operators
• Perturbation of Spectrums of 2 × 2 Operator Matrices
• Weyl spectra of operator matrices
• Spectra of upper triangular operator matrices
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