The essential pseudo-spectra of a sequence of linear operators

DOI10.1007/s11785-018-0776-7zbMath1435.47021OpenAlexW2792611259MaRDI QIDQ1743885

Aref Jeribi, Aymen Ammar

Publication date: 16 April 2018

Published in: Complex Analysis and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11785-018-0776-7

zbMATH Keywords

essential pseudospectra\(\nu \)-convergence\(2\times 2\) block operator matricessequence of closed linear operators

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Linear operator approximation theory (47A58) Operators on Banach spaces (47B01) Operator matrices (47A08)

Related Items (4)

Unnamed Item ⋮ The \(\varepsilon \)-pseudospectra and the essential \(\varepsilon \)-pseudospectra of linear relations ⋮ On the pseudo-spectra and the related properties of infinite-dimensional Hamiltonian operators ⋮ Generalized Drazin-meromorphic pseudospectrum for a bounded linear operator on a Banach space

Cites Work

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• A characterization of the essential pseudospectra on a Banach space
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• On the essential spectrum of an arbitrary operator. I
• The variation of spectra
• Spectral Theory and Applications of Linear Operators and Block Operator Matrices
• Measures of noncompactness and essential pseudospectra on Banach space
• A note on the essential pseudospectra and application
• Discrete approximation of unbounded operators and approximation of their spectra

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