Organised by Ed Effros, Narutaka Ozawa, Sorin Popa, Dima Shlyakhtenko.

This is the first workshop in a series. Our idea is to bring together several people interested in the areas of

von Neumann Aalgebras/Group Theory/Orbit Equivalence Ergodic Theory/Borel Classification.

Partial funding for the workshop is made possible by the Kristyn Yuki Takesaki Lagae Endowed Fund, established

in 2004 by Masamichi Takesaki. The workshop is also partially supported by funds from the NSF.

Confirmed participants:

Miklos Abert, Uri Bader, Yves Cornulier, Ed Effros, Talia Fernos,

David Fisher, Alex Furman, Damien Gaboriau, Greg Hjorth, Cyril Houdayer, Adrian Ioana,

Alekos Kechris, Yoshikata Kida, Ben Miller, Nicolas Monod, Jesse Peterson,

Mikael Pichot, Sorin Popa, Romain Tessera, Roman Sasyk, Dima Shlyakhtenko, Terry Tao,

Simon Thomas, Todor Tsankov, Yoshimichi Ueda, Stefaan Vaes, Laszlo Zsido.

Photo from the March 2007 Workshop:

Schedule of talks:

09:00-09:40 |
Popa |
Monod |
Thomas |

10:10-10:50 |
Shlyakhtenko |
Ozawa |
Peterson |

11:20-12:00 |
Pichot |
Tsankov |
Fisher |

Lunch
break |
|||

02:00-02:40 |
Hjorth |
Bader |
Vaes |

03:10-03:50 |
Kida |
Furman |
Abert |

04:20-05:00 |
Miller |
Ioana |
Tao |

Abert |
Profinite actions from an
ergodic point of view |

Bader |
Superrigidity via Weyl groups 1 |

Fisher |
Strengthening property (T) |

Furman |
Superrigidity via Weyl groups 2 |

Hjorth |
Classification
by countable
structures |

Ioana |
Superrigidity for profinite
actions of Kazhdan groups |

Kida |
Measurable rigidity of mapping
class groups |

Miller |
Coordinatewise
decomposition and
dichotomy theorems in descriptive set theory |

Monod |
Superrigidity and cat0 spaces |

Ozawa |
Boundary double amenability |

Peterson |
L^2-rigidity in von Neumann
algebras |

Pichot |
The space of triangle buildings |

Popa |
Some
problems on OE and vNE of group actions |

Shlyakhtenko |
Free entropy dimension |

Tao |
A quantitative nilpotent Ratner
theorem, and the distribution of the primes |

Thomas |
Some
open problems on countable
Borel equivalence relations |

Tsankov |
Modular Actions and Amenable
Representations |

Vaes |
Popa's
rigidity theorems and
II_1 factors without non-trivial finite index subfactors |