User Vladimir

12 votes

2 answers

621 views

Group with a translation invariant ultrafilter

asked Jun 10 at 1:34

11 votes

1 answer

2k views

Candidates for non-sofic groups

asked Feb 10, 2014 at 2:22

8 votes

0 answers

297 views

Geometric characterization of property (T) and the Haagerup property

asked May 23, 2014 at 17:15

7 votes

2 answers

287 views

Robustly recurrent random walk

asked Mar 3, 2016 at 1:50

7 votes

1 answer

272 views

What is the simplest SFT on $\mathbb{Z}^2$ that has no periodic points?

asked Dec 18, 2016 at 19:53

6 votes

2 answers

532 views

Tail sigma-algebra of a branching random walk

asked Apr 4, 2015 at 16:57

6 votes

1 answer

430 views

Free actions of non-amenable groups

asked May 27, 2015 at 16:25

5 votes

1 answer

283 views

Can an amenable group have a weak mixing unitary representation without almost invariant vectors?

asked Apr 18, 2017 at 5:51

5 votes

1 answer

165 views

On a finitary version of mixing

asked Nov 25, 2017 at 18:53

5 votes

0 answers

240 views

Cartesian square root of a measure preserving action

asked Nov 24, 2015 at 5:52

5 votes

1 answer

163 views

Recurrence of ergodic processes

asked Dec 8, 2021 at 0:51

4 votes

1 answer

331 views

Large deviations for sequences that are not sums of iid

asked Aug 31, 2022 at 16:25

4 votes

1 answer

1k views

Local Markov implies global Markov

asked May 2, 2014 at 13:23

4 votes

3 answers

1k views

Arcsine law for Brownian motion with drift

asked Nov 5, 2015 at 1:00

4 votes

1 answer

242 views

Amenable normal closure

asked Jun 9, 2013 at 14:56

3 votes

1 answer

266 views

Lowering metrics to finite index subgroups

asked Sep 12, 2012 at 22:18

3 votes

2 answers

862 views

Finite union of tail sigma-algebras

asked Sep 23, 2012 at 14:42

3 votes

1 answer

332 views

General ballot theorem

asked Apr 20, 2015 at 11:14

3 votes

1 answer

161 views

Zero entropy and the Koopman representation

asked Nov 3, 2021 at 14:12

2 votes

1 answer

747 views

Is the push forward of a sigma-finite measure equivalent to a sigma-finite measure?

asked Jan 10, 2015 at 19:33

2 votes

1 answer

176 views

How many finite subsets in $\mathbb{Z}^d$ have a given sum of squares?

asked Mar 11, 2015 at 13:25

2 votes

0 answers

162 views

Equivalence relations that are both not treeable and amenable

asked Jun 15, 2015 at 17:00

2 votes

0 answers

151 views

A generalized Ballot theorem

asked Oct 20, 2015 at 21:33

2 votes

1 answer

925 views

Continuity of relative entropy with respect to the weak* topology

asked Nov 5, 2012 at 3:52

2 votes

1 answer

1k views

Are bounded functions L-1 compact?

asked May 20, 2012 at 20:29

2 votes

0 answers

112 views

Ergodic actions with co-finite stabilizers

asked Sep 3, 2013 at 13:55

1 vote

1 answer

208 views

Non-exchangeable unimodular graph

asked Feb 10, 2014 at 20:35

1 vote

0 answers

5k views

Conditional KL divergence

asked May 23, 2012 at 12:50

1 vote

1 answer

191 views

Determining conjugacy class of a subgroup from the sizes of its intersections with the conjugacy classes

asked Nov 24, 2015 at 5:17

1 vote

0 answers

40 views

Semi-continuity extends to dual

asked Oct 30, 2016 at 22:45

Stack Exchange Network

32 Questions

Group with a translation invariant ultrafilter

Candidates for non-sofic groups

Geometric characterization of property (T) and the Haagerup property

Robustly recurrent random walk

What is the simplest SFT on $\mathbb{Z}^2$ that has no periodic points?

Tail sigma-algebra of a branching random walk

Free actions of non-amenable groups

Can an amenable group have a weak mixing unitary representation without almost invariant vectors?

On a finitary version of mixing

Cartesian square root of a measure preserving action

Recurrence of ergodic processes

Large deviations for sequences that are not sums of iid

Local Markov implies global Markov

Arcsine law for Brownian motion with drift

Amenable normal closure

Lowering metrics to finite index subgroups

Finite union of tail sigma-algebras

General ballot theorem

Zero entropy and the Koopman representation

Is the push forward of a sigma-finite measure equivalent to a sigma-finite measure?

How many finite subsets in $\mathbb{Z}^d$ have a given sum of squares?

Equivalence relations that are both not treeable and amenable

A generalized Ballot theorem

Continuity of relative entropy with respect to the weak* topology

Are bounded functions L-1 compact?

Ergodic actions with co-finite stabilizers

Non-exchangeable unimodular graph

Conditional KL divergence

Determining conjugacy class of a subgroup from the sizes of its intersections with the conjugacy classes

Semi-continuity extends to dual