Jointly prescalar sets in Banach algebras
Thomas, Gary M. (1981)
Portugaliae mathematica
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Displaying similar documents to “On spectral homomorphisms and continuous functions of Banach algebra elements”
Jointly prescalar sets in Banach algebras
Properties of the spectral radius in Banach algebras
Jaroslav Zemánek (1982)
Banach Center Publications
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A survey of recent results on the spectral radius in Banach algebras
Zemánek, Jaroslav
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On discontinuity of the spectral radius in Banach algebras
Vladimír Müller (1977)
Commentationes Mathematicae Universitatis Carolinae
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The strong spectral extension property does not imply the multiplicative Hahn-Banach property
A. Sołtysiak (2002)
Studia Mathematica
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An example is given of a semisimple commutative Banach algebra that has the strong spectral extension property but fails the multiplicative Hahn-Banach property. This answers a question posed by M. J. Meyer in [4].
Spectral radius characterization of commutativity in Banach algebras
Jaroslav Zemánek (1977)
Studia Mathematica
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