Continuity of spectrum and spectral radius in algebras of operators
Laura Burlando (1988)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Laura Burlando (1988)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Robin Harte (1996)
Studia Mathematica
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An exactness lemma offers a simplified account of the spectral properties of the "holomorphic" analogue of normal solvability.
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.
Seán Dineen (1970)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Dietmar Abts (1980)
Commentationes Mathematicae Universitatis Carolinae
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