31

Questions

4
14
votes
0
answers
389
views

Are amenable groups topologizable?

nov 27 at 18:53 Łukasz Grabowski 2,771516

3
13
votes
1
answer
638
views

Rokhlin lemma for arbitrary infinite groups.

nov 14 11 at 22:30 Brandon Seward 2137

2
10
votes
4
answers
1k
views

reversible Turing machines

may 10 10 at 15:35 Niall Murphy 1919

3
10
votes
0
answers
523
views

Regular languages of matrices and their generating functions

oct 1 10 at 13:39 Łukasz Grabowski 2,771516

2
9
votes
5
answers
744
views

Which Turing machines accept the language of trivial words in a finitely presented group?

jul 28 11 at 11:52 Sam Jones 416

3
8
votes
1
answer
327
views

“double” semidirect product

jul 7 11 at 10:01 Łukasz Grabowski 2,771516

3
7
votes
3
answers
243
views

presentations of Sp(n, Z) and cocycles.

oct 24 11 at 18:07 Andy Putman 18.7k358119

3
7
votes
4
answers
489
views

If the series Σ pᵃ⁽ʷ⁾·xᴵʷᴵ is rational, is Σ a(w)·xᴵʷᴵ also rational (summation over words w in a regular language)?

oct 20 10 at 2:52 Gjergji Zaimi 37.8k275151

1
7
votes
1
answer
781
views

Rational numbers as an extension of the field with one element?

mar 23 10 at 20:03 lieven lebruyn 2,632914

1
6
votes
3
answers
628
views

Decomposition of a dynamical system into ergodic componenents

jul 5 11 at 17:29 Łukasz Grabowski 2,771516

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