Decompositions of Beurling Type for E_0-Semigroups

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We define tensor product decompositions of $E_0$-semigroups with a structure analogous to a classical theorem of Beurling. Such decompositions can be characterized by adaptedness and exactness of unitary cocycles. For CCR-flows we show that such cocycles are convergent.
minor corrections, 10 pages

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Operator Algebras, Functional Analysis, 46L55; 47D03; 81S25

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http://salesiana.dossiersoluciones.com/handle/123456789/221516

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0412107
 http://arxiv.org/abs/math/0412107
 Banach Center Publications, Vol. 73, Institute of Mathematics, Polish Academy of Sciences, Warzawa (2006), 167-176

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arXiv