Paul Jolissaint

most citedStrongly singular MASA's and mixing actions in finite von Neumann algebras

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math.OA2006★ 2 cited

Strongly singular MASA's and mixing actions in finite von Neumann algebras

Paul Jolissaint, Yves Stalder

Let $Γ$ be a countable group and let $Γ_{0}$ be an infinite abelian subgroup of $Γ$ . We prove that if the pair $(Γ, Γ_{0})$ satisfies some combinatorial condition called (SS), then the…

math.OA2005

Actions of dense subgroups of compact groups and $II_{1}$ -factors with the Haagerup property

Paul Jolissaint

Let $M$ be a finite von Neumann algebra with the Haagerup property, and let $G$ be a compact group that acts continuously on $M$ and that preserves some finite trace $τ$ . We prove…

Strongly singular MASA's and mixing actions in finite von Neumann algebras

Actions of dense subgroups of compact groups and II1​-factors with the Haagerup property

Actions of dense subgroups of compact groups and $II_{1}$ -factors with the Haagerup property