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Nonnegative unitary operators - MaRDI portal

Nonnegative unitary operators

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Publication:4452210

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DOI10.1090/S0002-9939-03-07202-2zbMath1073.47028MaRDI QIDQ4452210

B. Nagy, Karl-Heinz Förster

Publication date: 12 February 2004

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

invariants orthonormal basis spectral properties unitary operator infinite matrix complex Hilbert space

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Positive linear operators and order-bounded operators (47B65)

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