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AGenevois

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Top Questions
23 votes

Modern references on hyperbolic groups

reference-request gr.group-theory geometric-group-theory asked Aug 24, 2018 at 7:23
mathoverflow.net

18 votes

Why are Thompson's groups called $F$, $T$ and $V$?

gr.group-theory ho.history-overview notation asked May 10, 2019 at 23:34
mathoverflow.net

18 votes

Finite presentability and elementary equivalence

gr.group-theory lo.logic asked Dec 30, 2021 at 7:08
mathoverflow.net

14 votes

Prehistory of Gromov-hyperbolic spaces/groups

gr.group-theory mg.metric-geometry ho.history-overview geometric-group-theory coarse-geometry asked Jun 6, 2021 at 6:09
mathoverflow.net

11 votes

Translation lengths in CAT(0) spaces

mg.metric-geometry geometric-group-theory alexandrov-geometry asked Mar 5, 2021 at 9:46
mathoverflow.net

11 votes

Recognising the elements of the Grigorchuk group

reference-request gr.group-theory geometric-group-theory asked Jun 22 at 13:39
mathoverflow.net

10 votes

Subgroups of RAAGs vs. subgroups of RACGs

gr.group-theory geometric-group-theory coxeter-groups combinatorial-group-theory asked Jul 12, 2021 at 13:10
mathoverflow.net

9 votes

Braid groups and Kazhdan's property (T)

gr.group-theory rt.representation-theory geometric-group-theory mapping-class-groups braid-groups asked Apr 6, 2021 at 13:44
mathoverflow.net

9 votes

Initiation to constructive mathematics

reference-request constructive-mathematics asked Feb 8, 2021 at 9:22
mathoverflow.net

8 votes

A group of all whose elements are distorted

gr.group-theory geometric-group-theory asked Apr 6, 2019 at 16:49
mathoverflow.net

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Top Answers
32
Is the intersection of two subgroups, defined below, always trivial?
mathoverflow.net

29
Examples of hyperbolic groups
mathoverflow.net

25
A funny metric over $\mathbb{N}$
mathoverflow.net

14
Proving that a countable group is not finitely generated
mathoverflow.net

13
Are Artin-Tits groups ordered groups?
mathoverflow.net

12
Groups acting on infinite dimensional CAT(0) cube complex
mathoverflow.net

12
Action of braid groups on regular trees
mathoverflow.net

12
Group of exponential growth always contains a free sub-group?
mathoverflow.net

12
Ends of finitely generated torsion groups
mathoverflow.net

12
Examples of non-cubulated hyperbolic groups
mathoverflow.net

11
CAT(0) groups that does not act on CAT(0) cubical complex
mathoverflow.net

11
Examples of groups that are unknown to be acylindrically hyperbolic
mathoverflow.net

11
Constraints on the homology of amenable groups
mathoverflow.net

10
Finite normal subgroup of mapping class group
mathoverflow.net

10
Perfect quotients of braid groups
mathoverflow.net

10
All Gromov-hyperbolic spaces are CAT(0)
math.stackexchange.com

10
Abelianization of mapping class groups $\Gamma_{g,n}$
mathoverflow.net

10
Parabolic subgroups of relatively hyperbolic and CAT(0) groups
mathoverflow.net

10
Hyperbolic groups and spaces of negative curvature
mathoverflow.net

10
Conjugating generators in free groups
mathoverflow.net

9
Contractible Rips complex from non-hyperbolic group
mathoverflow.net

9
3-manifold with fundamental group $\mathbb Z$
mathoverflow.net

9
Roots in Thompson's groups
mathoverflow.net

9
Looking for a citation: the Rips $n$-complex of a $\delta$-hyperbolic group is contractible for high enough $n$
mathoverflow.net

9
Group acting on a CAT(0) cube complex then acting also on a tree
mathoverflow.net

9
Cantor-Bernstein for quasi-isometric embeddings?
mathoverflow.net

8
Easy example of an infinite simple group with an embedding into a finitely presented group
mathoverflow.net

8
Bass-Serre theory textbook
mathoverflow.net

8
A question about conjugacy in Higman's group
mathoverflow.net

8
Is Higman's group a free product?
mathoverflow.net

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