Rajarama Bhat, B. V. (2002) Minimal isometric dilations of operator cocycles Integral Equations and Operator Theory, 42 (2). pp. 125-141. ISSN 0378-620X
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Official URL: http://www.springerlink.com/content/x011853v017665...
Related URL: http://dx.doi.org/10.1007/BF01275511
Abstract
We obtain existence, uniqueness results for minimal isometric dilations of contractive cocycles of semigroups of unital ∗-endomorphisms of B(H). This generalizes the result of Sz. Nagy on minimal isometric dilations of semigroups of contractive operators on a Hilbert space. In a similar fashion we explore results analogus to Sarason's characterization that subspaces to which compressions of semigroups are again semigroups are semi-invariant subspaces, in the context of cocycles and quantum dynamical semigroups.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Birkhauser-Verlag. |
| ID Code: | 2546 |
| Deposited On: | 08 Oct 2010 06:59 |
| Last Modified: | 17 May 2011 05:12 |
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