On the polar decomposition of scalar-type operators
Marta Kováříková (1967)
Czechoslovak Mathematical Journal
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Marta Kováříková (1967)
Czechoslovak Mathematical Journal
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Gerd Grubb (1983)
Banach Center Publications
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Takashi Ichinose (1982)
Banach Center Publications
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P. A. Cojuhari, A. M. Gomilko (2008)
Studia Mathematica
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The paper is concerned with conditions guaranteeing that a bounded operator in a reflexive Banach space is a scalar type spectral operator. The cases where the spectrum of the operator lies on the real axis and on the unit circle are studied separately.
Ştefan Frunză (1977)
Czechoslovak Mathematical Journal
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Pierre Robert (1968)
Compositio Mathematica
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