On the right (left) invertible completions for operator matrices

DOI10.1007/s00020-010-1771-1zbMath1202.47002OpenAlexW1973886728MaRDI QIDQ989962

Alatancang Chen, Guo-jun Hai

Publication date: 23 August 2010

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00020-010-1771-1

zbMATH Keywords

invertible completionsoperator matricesright (left) Fredholm operatorright (left) invertible operator

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05)

Related Items

An analogue to a result of Takahashi, Left invertibility of formal Hamiltonian operators, Unnamed Item, The upper semi-Weylness and positive nullity for operator matrices, Weylness of 2 × 2 operator matrices, Invertibility of operator matrices on a Banach space, A note on Browder spectrum of operator matrices, Applications of completions of operator matrices to reverse order law for \(\{1\}\)-inverses of operators on Hilbert spaces, Perturbation of spectra for a class of \(2\times 2\) operator matrices, Various solutions to reverse order law problems, Some spectra properties of unbounded $2\times2$ upper triangular operator matrices, Different completions of \(A + CX\), Unnamed Item, Closedness of ranges of unbounded upper triangular operator matrices, Left invertible completions of upper triangular operator matrices with unbounded entries

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