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Symmetric operators commuting with a family of unitary operators

✍ Scribed by A. N. Kochubei

Publisher: Springer US
Year: 1980
Tongue: English
Weight: 165 KB
Volume: 13
Category: Article
ISSN: 0016-2663
DOI: 10.1007/bf01078378

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## Abstract This relationship between the weak and strong bounded commutants of a symmetric operator __S__ and the commutant of a generalized spectral family (in Naimark's sense) of __S__ is studied. A characterization of the existence of self‐adjoint extensions of __S__ via von Neumann subalgebras