On the continuity of the spectrum in certain Banach algebras

DOI10.1007/BF01291715zbMath0977.47061MaRDI QIDQ1592831

Israel Feldman, N. Ya. Krupnik

Publication date: 7 January 2002

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

zbMATH Keywords

Banach algebrasingular integral operatorToeplitz operatorsintegral operatorsWiener-Hopf operatorslocal principlecontinuity of a spectrumlinear operator on a Hilbert space

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Abstract operator algebras on Hilbert spaces (47L30) Algebras of specific types of operators (Toeplitz, integral, pseudodifferential, etc.) (47L80)

Related Items (1)

On the theory of topological radicals

Cites Work

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• Algebras generated by idempotents and the symbol calculus for singular integral operators
• Operators that are points of spectral continuity
• Propriétés spectrales des algèbres de Banach
• Invertibility symbol for a Banach algebra generated by two idempotents and a shift
• Banach algebras of singular integral operators with piecewise continuous coefficients. General contour and weight
• Extension theorems for invertibility symbols in Banach algebras
• Toeplitz operators on H\(_p\)
• On invertibility symbols in Banach algebras
• Extension theorems for Fredholm and invertibility symbols
• The variation of spectra
• Hyponormality and spectra of Toeplitz operators

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