Jesse Peterson's user avatar
Jesse Peterson's user avatar
Jesse Peterson's user avatar
Jesse Peterson
  • Member for 13 years, 9 months
  • Last seen more than 1 year ago
20 votes
Accepted

Commutators in the reduced C*-algebra of the free group

18 votes
Accepted

Which von Neumann algebras have inner permutation of tensor factors?

14 votes
Accepted

Embedding the group von Neumann algebra into an injective von Neumann algebra on the same Hilbert space

12 votes
Accepted

Injection between non-isomorphic irreducible Hilbert space reps?

11 votes
Accepted

Injective von Neumann algebra

11 votes
Accepted

Is the fundamental group of $II_{1}$ factors invariant under a relation?

11 votes
Accepted

Reference for embedding an infinite direct product of matrix algebras into the hyperfinite $II_1$ factor

11 votes
Accepted

Tensor product of a von Neumann algebra and $L_\infty $

10 votes
Accepted

A small corner w.r.t. a masa in a von Neumann algebra

10 votes

Abelian sub-W*-algebras

10 votes
Accepted

Induced representations of topological groups

10 votes
Accepted

How well do we know relative commutants in $L(\mathbb{F}_\infty)$?

10 votes
Accepted

positive element in C* tensor product

10 votes
Accepted

orders and length functions on finitely generated groups

10 votes
Accepted

trace norm inequality for positive matrices

10 votes
Accepted

How big are the ultrapowers of the hyperfinite $II_1$-factor?

9 votes
Accepted

Does a crossed product R⋊_α F_n of the hyperfinite factor of type II_1 and a free group have the QWEP?

9 votes
Accepted

Actions orbit equivalent to profinite ones

9 votes
Accepted

Infinite finitely generated non-amenable groups

8 votes
Accepted

Characterization of amenable actions

8 votes

Property (T) for pseudogroups

8 votes

Group Action with a Fixed-Point Property

8 votes
Accepted

Question about projections in von Neumann algebras

7 votes
Accepted

Free actions of non-amenable groups

7 votes
Accepted

Multiplicative domains and conditional expectations

7 votes
Accepted

endomorphism of factor: can it be idempotent up to congugacy?

7 votes
Accepted

Left mean values vs right mean values

6 votes
Accepted

Fubini's theorem and unique mean value

6 votes
Accepted

Do syndetic sets on amenable semigroups have positive upper density?

6 votes
Accepted

Operator Valued Weights