Workshop on von Neumann Algebras
October 29 - November 2, 2007
Thematic Program on Operator Algebras
Fields Institute

Monday, October 29

9:20 - 10:20
Sorin Popa (University of California, Los Angeles)
Some open problems on II₁ factors of group actions

11:00 - 11:50
Narutaka Ozawa (University of California, Los Angeles)
On a class of II₁ factors with at most one Cartan subalgebra

2:00 - 2:50
Jesse Peterson (University of California, Berkeley)
Group cocycles into the left regular representation and applications to II₁ factors

3:00 - 3:50
Ken Dykema (Texas A&M University)
Horn's inequalities and Connes' embedding problem

4:30 - 5:00
Nate Brown (Pennsylvania State University)
Embeddings into R^ω

5:10 - 5:40
Andreas Thom (Georg-August-Universität Göttingen)
Group cocycles and affiliated operators

Tuesday, October 30

9:30 - 10:20
Uffe Haagerup (University of Southern Denmark)
Solution of the Effros-Ruan conjecture for bilinear forms on C^*-algebras

11:00 - 11:50
Stefaen Vaes (K.U.Leuven)
Explicit computations of all finite index bimodules for a family of II₁ factors

1:50 - 2:40
Adrian Ioana (Caltech)
Cocycle superrigidity for profinite actions of Kazhdan groups

2:50 - 3:20
Cyril Houdayer (University of California, Los Angeles)
Another construction of type II₁ factors with a prescribed countable fundamental group

3:30 - 4:00
Ionut Chifan (University of California, Los Angeles)
Estimating relative commutants in II₁ factors of wreath products

4:30 - 5:00
Dan Shiber (University of California, Los Angeles)
CCR random matrix models with potential

5:10 - 5:50

Marta Asaeda (University of California, Riverside)
Non-existense of finite depth subfactors with with certain small indices

Wednesday, October 31

9:30 - 10:20
Yasuyuki Kawahigashi (University of Tokyo)
Superconformal field theory and operator algebras

11:00 - 11:50
Dimitri Shlyakhtenko (University of California, Los Angeles)
Algebras of q-semicircular elements and free stochastic calculus

2:00 - 2:50
Kenley Jung (University of California, Los Angeles)
Geometric measure theory and von Neumann algebras

3:00 - 3:30
Emily Peters (University of California, Berkeley)
Constructing the Haagerup Subfactor with Planar Algebras

3:40 - 4:10
Shamindra Ghosh (Vanderbilt University)
The planar algebra of the group-type subfactors of Bisch and Haagerup

Thursday, November 1

9:30 - 10:20
Roland Speicher (Queen's University)
Operator-valued Semicircular Elements: at the Intersection of Combinatorics, Random Matrix Theory and Complex Analysis

11:00 - 11:50
Hans Wenzl (University of California, San Diego)
Subgroup type subfactors and twisted Kac-Moody algebras

2:00 - 2:50
Mikael Pichot (University of Tokyo)
Intermediate rank and property RD

3:00 - 3:50
Yoshimichi Ueda (Kyushu University)
Orbital free entropy and Its dimension counterpart

4:30 - 5:00
Remus Nicoara (University of Tennessee)
Subfactors and Hadamard Matrices

Friday, November 2

9:30 - 10:20
Thierry Giordano (University of Ottawa)

11:00 - 11:30
Magdalena Musat (University of Memphis)
Classification of hyperfinite factors up to completely bounded isomorphism of their predual

11:40 - 12:30
Claire Anantharaman-Delaroche (Université d'Orléans)
On the non-commutative G.-C. Rota dilation theorem

Monday, October 29
9:20 - 10:20	Sorin Popa (University of California, Los Angeles) Some open problems on II₁ factors of group actions
11:00 - 11:50	Narutaka Ozawa (University of California, Los Angeles) On a class of II₁ factors with at most one Cartan subalgebra
2:00 - 2:50	Jesse Peterson (University of California, Berkeley) Group cocycles into the left regular representation and applications to II₁ factors
3:00 - 3:50	Ken Dykema (Texas A&M University) Horn's inequalities and Connes' embedding problem
4:30 - 5:00	Nate Brown (Pennsylvania State University) Embeddings into R^ω
5:10 - 5:40	Andreas Thom (Georg-August-Universität Göttingen) Group cocycles and affiliated operators
Tuesday, October 30
9:30 - 10:20	Uffe Haagerup (University of Southern Denmark) Solution of the Effros-Ruan conjecture for bilinear forms on C^-algebras*
11:00 - 11:50	Stefaen Vaes (K.U.Leuven) Explicit computations of all finite index bimodules for a family of II₁ factors
1:50 - 2:40	Adrian Ioana (Caltech) Cocycle superrigidity for profinite actions of Kazhdan groups
2:50 - 3:20	Cyril Houdayer (University of California, Los Angeles) Another construction of type II₁ factors with a prescribed countable fundamental group
3:30 - 4:00	Ionut Chifan (University of California, Los Angeles) Estimating relative commutants in II₁ factors of wreath products
4:30 - 5:00	Dan Shiber (University of California, Los Angeles) CCR random matrix models with potential
5:10 - 5:50	Marta Asaeda (University of California, Riverside) Non-existense of finite depth subfactors with with certain small indices
Wednesday, October 31
9:30 - 10:20	Yasuyuki Kawahigashi (University of Tokyo) Superconformal field theory and operator algebras
11:00 - 11:50	Dimitri Shlyakhtenko (University of California, Los Angeles) Algebras of q-semicircular elements and free stochastic calculus
2:00 - 2:50	Kenley Jung (University of California, Los Angeles) Geometric measure theory and von Neumann algebras
3:00 - 3:30	Emily Peters (University of California, Berkeley) Constructing the Haagerup Subfactor with Planar Algebras
3:40 - 4:10	Shamindra Ghosh (Vanderbilt University) The planar algebra of the group-type subfactors of Bisch and Haagerup
Thursday, November 1
9:30 - 10:20	Roland Speicher (Queen's University) Operator-valued Semicircular Elements: at the Intersection of Combinatorics, Random Matrix Theory and Complex Analysis
11:00 - 11:50	Hans Wenzl (University of California, San Diego) Subgroup type subfactors and twisted Kac-Moody algebras
2:00 - 2:50	Mikael Pichot (University of Tokyo) Intermediate rank and property RD
3:00 - 3:50	Yoshimichi Ueda (Kyushu University) Orbital free entropy and Its dimension counterpart
4:30 - 5:00	Remus Nicoara (University of Tennessee) Subfactors and Hadamard Matrices
Friday, November 2
9:30 - 10:20	Thierry Giordano (University of Ottawa)
11:00 - 11:30	Magdalena Musat (University of Memphis) Classification of hyperfinite factors up to completely bounded isomorphism of their predual
11:40 - 12:30	Claire Anantharaman-Delaroche (Université d'Orléans) On the non-commutative G.-C. Rota dilation theorem