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Jolissaint, Paul
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Relative inner amenability and relative property gamma
2016-11-2, Jolissaint, Paul
Relations de récurrence linéaires, primitivité et loi de Benford
2013-3-13, Jolissaint, Paul
Actions of dense subgroups of compact groups and II1-factors with the Haagerup property
2007, Jolissaint, Paul
Loi de Benford, relations de récurrence et suites équidistribuées
2005, Jolissaint, Paul
Proper cocycles and weak forms of amenability
2015-1-30, Jolissaint, Paul
On the relative weak asymptotic homomorphism property for triples of group von Neumann algebras
2012-3-1, Jolissaint, Paul
The Haagerup property for measure preserving standard equivalence relations
2005, Jolissaint, Paul
We define a notion of the Haagerup property for measure-preserving standard equivalence relations. Given such a relation R on X with finite invariant measure mu, we prove that R has the Haagerup property if and only if the associated finite von Neumann algebra L(R) (see J. Feldman and C. C. Moore. Ergodic equivalence relations, cohomology and von Neumann algebras II. Trans. Amer. Math. Soc. 234 (1977), 325-350) has relative property H in the sense of Popa with respect to its natural Cartan subalgebra L-infinity(X, mu). We also prove that if G is a countable group such that R = R-G has the Haagerup property and if R is ergodic, then G cannot have Kazhdan's property T.
C_0-representations and the Haagerup property
2014, Jolissaint, Paul
Loi de Benford, relations de récurrence et suites équidistribuées II
2009, Jolissaint, Paul
On property (T) for pairs of topological groups
2005, Jolissaint, Paul