Non-analytic local spectral properties in several variables
Ernst J. Albrecht, Florian-Horia Vasilescu (1974)
Czechoslovak Mathematical Journal
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Ernst J. Albrecht, Florian-Horia Vasilescu (1974)
Czechoslovak Mathematical Journal
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Zdeněk Dostál (1980)
Časopis pro pěstování matematiky
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J.M.A.M. van Neerven (1995)
Czechoslovak Mathematical Journal
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Vladimír Muller, Andrzej Sołtysiak (1992)
Studia Mathematica
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A formula is given for the (joint) spectral radius of an n-tuple of mutually commuting Hilbert space operators analogous to that for one operator. This gives a positive answer to a conjecture raised by J. W. Bunce in [1].