Question

Show that this quasi-geodesic ray is not Gromov hyperbolic?

score 287 · Answer 1 · 2026-03-25 20:41:47

287

Views

Show that this quasi-geodesic ray is not Gromov hyperbolic?

Published on 25 Mar 2026 - 20:41

score 183 · Answer 2 · 2020-11-25 02:18:10

183

Views

Proper action in "Metric spaces of non-positive curvature"

Published on 25 Nov 2020 - 2:18

score 65 · Answer 3 · 2020-11-29 12:51:04

65

Views

Show that F2 has an infinite index free subgroup of rank 2

Published on 29 Nov 2020 - 12:51

score 100 · Answer 4 · 2020-12-14 18:56:43

100

Views

If there is a convergence action on the space $X = R^{n+1}\cup S^{n}$, is it true that X is a closed ball?

Published on 14 Dec 2020 - 18:56

score 199 · Answer 5 · 2020-12-20 13:43:25

199

Views

What general techniques are there to show that two finitely-generated groups are bi-Lipschitz equivalent?

Published on 20 Dec 2020 - 13:43

score 71 · Answer 6 · 2026-03-27 07:13:47

71

Views

Group acting on trees with relations $abc=1$ and $cba=1$

Published on 27 Mar 2026 - 7:13

score 142 · Answer 7 · 2021-01-04 07:15:35

142

Views

Is $\mathbb{Z}$ Gromov-Hyperbolic?

Published on 04 Jan 2021 - 7:15

score 242 · Answer 8 · 2021-01-14 01:24:30

242

Views

Interesting Theorems on Finitely Generated Abelian Groups?

Published on 14 Jan 2021 - 1:24

score 70 · Answer 9 · 2021-01-20 05:26:14

70

Views

Random elements of (infinite) finitely generated groups

Published on 20 Jan 2021 - 5:26

score 79 · Answer 10 · 2021-02-01 11:45:46

79

Views

Extension and property FH (fixed point for actions on Hilbert spaces)

Published on 01 Feb 2021 - 11:45

score 62 · Answer 11 · 2026-02-23 01:23:49

62

Views

For discrete group $G$ and $H\leq G$. Show that $G$ also satisfies the Folner condition if $H$ satisfies it and $[G:H]<\infty$.

Published on 23 Feb 2026 - 1:23

score 51 · Answer 12 · 2026-02-23 01:23:35

51

Views

Prove the existence of $\Psi\in(\ell_\infty(G))^\ast$ satisfying the amenability conditions

Published on 23 Feb 2026 - 1:23

score 193 · Answer 13 · 2026-03-25 16:03:44

193

Views

Is every fundamental group of a mapping torus of a surface homeomorphism a CAT(0) group?

Published on 25 Mar 2026 - 16:03

score 299 · Answer 14 · 2021-02-28 22:35:04

299

Views

What is an invariant mean on $L^\infty(\mathbb{R})$?

Published on 28 Feb 2021 - 22:35

score 145 · Answer 15 · 2021-03-02 14:08:27

145

Views

Compact subset of a t.d.l.c. group contained in compact-open subgroup?

Published on 02 Mar 2021 - 14:08

List Question

Show that this quasi-geodesic ray is not Gromov hyperbolic?

Proper action in "Metric spaces of non-positive curvature"

Show that F2 has an infinite index free subgroup of rank 2

If there is a convergence action on the space $X = R^{n+1}\cup S^{n}$, is it true that X is a closed ball?

What general techniques are there to show that two finitely-generated groups are bi-Lipschitz equivalent?

Group acting on trees with relations $abc=1$ and $cba=1$

Is $\mathbb{Z}$ Gromov-Hyperbolic?

Interesting Theorems on Finitely Generated Abelian Groups?

Random elements of (infinite) finitely generated groups

Extension and property FH (fixed point for actions on Hilbert spaces)

For discrete group $G$ and $H\leq G$. Show that $G$ also satisfies the Folner condition if $H$ satisfies it and $[G:H]<\infty$.

Prove the existence of $\Psi\in(\ell_\infty(G))^\ast$ satisfying the amenability conditions

Is every fundamental group of a mapping torus of a surface homeomorphism a CAT(0) group?

What is an invariant mean on $L^\infty(\mathbb{R})$?

Compact subset of a t.d.l.c. group contained in compact-open subgroup?

Trending Questions

Popular # Hahtags

Popular Questions