Removing the interior of the spectrum
Gerald J. Murphy, Timothy Trevor West (1980)
Commentationes Mathematicae Universitatis Carolinae
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Displaying similar documents to “The inverse spectral radius formula and removability of spectrum”
Removing the interior of the spectrum
On a certain class of subspectra
Andrzej Sołtysiak (1991)
Commentationes Mathematicae Universitatis Carolinae
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The aim of this paper is to characterize a class of subspectra for which the geometric spectral radius is the same and depends only upon a commuting -tuple of elements of a complex Banach algebra. We prove also that all these subspectra have the same capacity.
Spectrum of generators of a noncommutative Banach algebra
Vladimír Müller, Andrzej Sołtysiak (1989)
Studia Mathematica
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Continuity of spectrum and spectral radius in Banach algebras
Laura Burlando (1994)
Banach Center Publications
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This survey deals with necessary and/or sufficient conditions for continuity of the spectrum and spectral radius functions at a point of a Banach algebra.
Inverse elements in extensions of Banach algebras
Vladimír Müller (1984)
Studia Mathematica
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