During the academic year 2014-2015, I organized the monthly seminar Groups, Actions and von Neumann algebras at the Institut Henri Poincaré.
Meetings
Tuesday September 16
- Mikael de la Salle (ENS de Lyon)
Rigidity results for the von Neumann algebras and the Banach space actions of simple Lie groups of very high rank and their lattices
- Romain Tessera (Université Paris-Sud)
Lp-measure equivalence and surface groups
Tuesday October 14
- Tim de Laat (KU Leuven)
An obstruction to the Approximation Property for groups
- François Le Maître (UC Louvain)
Full groups for measure preserving actions of locally compact groups
Tuesday November 18
- Nicolás Matte Bon (ENS Paris)
Some analytic properties of topological full groups and of finitely generated groups of interval exchange transformations
- Bertrand Deroin (ENS Paris)
Left-orderable groups and almost periodicity
Tuesday December 9
- Stefaan Vaes (KU Leuven)
Representation theory for subfactors, λ-lattices and C*-tensor categories
- Yusuke Isono (Kyoto University)
Free independence in ultraproduct von Neumann algebras and applications
Tuesday January 13
- Yves de Cornulier (Université Paris-Sud)
Sofic profile
- Amine Marrakchi (ENS Paris)
L2-homology of groups and von Neumann algebras
Tuesday February 10
- Alessandro Carderi (ENS Lyon)
Maximal amenable von Neumann subalgebras and boundaries
- Peter Verraedt (KU Leuven)
Classification of type III Bernoulli crossed products
Tuesday March 10
- Mathilde Perrin (ICMAT)
Noncommutative de Leeuw theorems
- Henrik Petersen (EPFL)
Quasi-isometries of nilpotent groups
Tuesday April 14
- Rémi Boutonnet (UCSD)
Spectral gap for translation actions on locally compact groups
- Cyril Houdayer (Université Paris-Est)
Unique prime factorization and bicentralizer problem for a class of type III factors
Cyril Houdayer 