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arxiv: math/0302217 · v1 · submitted 2003-02-18 · 🧮 math.OA

On multiplicity and free absorption for free Araki-Woods factors

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keywords freearaki-woodsfactorsmultiplicityabsorptionfunctionalgebrasassociated
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We show that Ozawa's recent results on solid von Neumann algebras imply that there are free Araki-Woods factors, which fail to have free absorption. We also show that a free Araki-Woods factors $\Gamma (\mu, n)$ associated to a measure and a multiplicity function $n$ may non-trivially depend on the multiplicity function.

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