Decompositions of Beurling Type for E_0-Semigroups
Operator Algebras
2009-02-26 v2 Functional Analysis
Abstract
We define tensor product decompositions of -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.
Cite
@article{arxiv.math/0412107,
title = {Decompositions of Beurling Type for E_0-Semigroups},
author = {Rolf Gohm},
journal= {arXiv preprint arXiv:math/0412107},
year = {2009}
}
Comments
minor corrections, 10 pages