SMALL C*-ALGEBRAS THAT FAIL TO HAVE SEPARABLE REPRESENTATIONS |
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Authors: | Saito Kazuyuki |
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Institution: | Mathematical Sciences, King's College, University of Aberdeen, Aberdeen AB24 3UE, Scotland |
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Abstract: | It is shown that any -finite, wild AW*-algebra of type II1 failsto have non-trivial separable representations. Here a wild AW*-algebrameans an AW*-algebra with no direct summand, which is *-isomorphicto a von Neumann algebra. Let be the -finite, wild type II1AW*-algebra formed by taking the monotone complete tensor productof the Dixmier algebra and a factor of type II1 acting ona separable Hilbert space. As both and act on separable Hilbertspaces, it seems natural to describe as small and to ask thefollowing question. Does have a non-trivial separable representation?The above described result answers negatively to this question.That is, fails to have non-trivial separable representations. |
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