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Questions
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38
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6
answers
8k
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Is Thompson’s Group F amenable?

nov 25 at 11:10 Mariarty 153●6

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11
votes
3
answers
967
views

Solutions to some equations in a free group

jan 3 11 at 13:11 Bill Thurston 17.6k●8●62●100

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10
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1
answer
342
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When is an HNN-extension finitely presented?

aug 15 at 19:24 Mark Sapir 27.7k●2●57●118

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8
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2
answers
236
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A malnormal embedding theorem?

mar 3 at 1:45 Mark Sapir 27.7k●2●57●118

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7
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0
answers
186
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Nielsen equivalence in one-relator groups

nov 8 11 at 11:05 AL 1,246●6●13

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7
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3
answers
394
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Torsion in triangle groups

feb 7 12 at 15:06 HW 10.1k●1●23●66

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6
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1
answer
219
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Linking the residual finiteness of $G$ with $Aut(G)$ or $Out(G)$

sep 29 11 at 17:23 Mark Sapir 27.7k●2●57●118

 
6
votes
0
answers
168
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Recursive presentability of outer automorphism group

apr 18 at 13:22 MathOverflow♦ 1●2●3

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4
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2
answers
212
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When are isomorphic copies of the base group in an $HNN$-extension subgroups of the base group (up to conjugacy)?

nov 29 11 at 11:42 Mark Sapir 27.7k●2●57●118

2
4
votes
4
answers
425
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residually finite-by-$\mathbb{Z}$ groups are residually finite

oct 18 11 at 18:01 Denis Osin 1,706●6●14

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