Canonical decomposition of completely nonunitary contractions (Q1069107)
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scientific article; zbMATH DE number 3933830
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Canonical decomposition of completely nonunitary contractions |
scientific article; zbMATH DE number 3933830 |
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Canonical decomposition of completely nonunitary contractions (English)
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1984
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The author discusses with an application the isometric part and the coisometric part of a completely nonunitary contraction on a Hilbert space. [Probably, researchers who wish to know more general decomposition theorems should refer to \textit{W. Szymański}, Stud. Math. 50, 265-280 (1974; Zbl 0264.47036), \textit{M. Fujii}, \textit{Y. Kato}, Math. Jap., 21, 43-49 (1976; Zbl 0342.47019) and \textit{M. Fujii}, \textit{M. Kajiwara}, \textit{Y. Kato}, Math. Jap. 21, 117-120 (1976; Zbl 0343.47027), etc.].
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isometric part
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coisometric
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completely nonunitary contraction
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decomposition theorems
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