Quasireducible operators.
Kubrusly, C. S. (2003)
International Journal of Mathematics and Mathematical Sciences
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Kubrusly, C. S. (2003)
International Journal of Mathematics and Mathematical Sciences
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Marek Ptak (1986)
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V. Müller, M. Zając (1999)
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A new example of a non-zero quasi-nilpotent operator T with reflexive commutant is presented. The norms converge to zero arbitrarily fast.
Wing-Suet Li, John McCarthy (1997)
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We prove that any set of commuting isometries on a separable Hilbert space is reflexive.
Bernard Morrel, Paul Muhly (1974)
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Jin-Hsien Wang, Pei Wu (1991)
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Michal Zajac (1981)
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