Question

Amenability discrete groups vs. locally compact groups

score 179 · Answer 1 · 2026-03-22 18:00:46

179

Views

Amenability discrete groups vs. locally compact groups

Published on 22 Mar 2026 - 18:00

score 10 · Answer 2 · 2019-05-07 08:23:53

10

Views

Embedding of $L_p$ spaces of Metrizable Measurable Group.

Published on 07 May 2019 - 8:23

score 66 · Answer 3 · 2026-03-25 06:27:18

66

Views

Injection of $\mathbb{Z}$ into a p-adically complete abelian group

Published on 25 Mar 2026 - 6:27

score 177 · Answer 4 · 2019-05-09 01:53:35

177

Views

Is this a correct proof that the center of a Hausdorff group is closed?

Published on 09 May 2019 - 1:53

score 19 · Answer 5 · 2019-05-11 07:32:49

19

Views

Showing supp$(\lambda=\sum_{n=0}\frac{1}{2^{n+1}}\mu^{n})=T_{\mu}\cup\{1\}$

Published on 11 May 2019 - 7:32

score 140 · Answer 6 · 2026-03-25 00:01:32

140

Views

Example of non-cocompact lattice in a specific topological group

Published on 25 Mar 2026 - 0:01

score 91 · Answer 7 · 2019-05-19 13:25:59

91

Views

What does $\mathbb{R}/(\mathbb{Z} + \sqrt{2}\mathbb{Z})$ look like?

Published on 19 May 2019 - 13:25

score 89 · Answer 8 · 2026-03-25 13:57:00

89

Views

$S(\Bbb{Q}^n)\subseteq \mathcal{P}(\Bbb{Q}^n)$ is Borel and the Borel action of $GL_n(\Bbb{Q})$ on $S(\Bbb{Q}^n)$

Published on 25 Mar 2026 - 13:57

score 56 · Answer 9 · 2019-05-26 03:38:03

56

Views

Does the metric of a homogeneous compact metric space lift to a metric on its group of isometries?

Published on 26 May 2019 - 3:38

score 101 · Answer 10 · 2026-03-25 04:42:55

101

Views

Show that the $\Gamma_1$ of $\mathrm{SL}_n(\mathbb{Z}_p)$ is pro-$p$ and finitely generated.

Published on 25 Mar 2026 - 4:42

score 69 · Answer 11 · 2026-03-25 05:01:31

69

Views

Why is $\prod_{p\in\mathbb{P}}\mathbb{Z}/p\mathbb{Z}$ not an open subgroup of a compactly generated simple group

Published on 25 Mar 2026 - 5:01

score 49 · Answer 12 · 2026-03-25 06:19:24

49

Views

Is every convex fundamental region regularly open?

Published on 25 Mar 2026 - 6:19

score 123 · Answer 13 · 2019-06-08 21:18:41

123

Views

What is $\text{Hom}_{\text{cts}}(\hat{\mathbb{Z}},\mathbb{Z})$?

Published on 08 Jun 2019 - 21:18

score 130 · Answer 14 · 2019-06-08 22:09:11

130

Views

Prove that $A$ is a compact subset of $M_3(\Bbb R) \cong \Bbb R^9$.

Published on 08 Jun 2019 - 22:09

score 163 · Answer 15 · 2026-03-25 23:36:48

163

Views

Does a group act on the closure of its orbits?

Published on 25 Mar 2026 - 23:36

List Question

Amenability discrete groups vs. locally compact groups

Embedding of $L_p$ spaces of Metrizable Measurable Group.

Injection of $\mathbb{Z}$ into a p-adically complete abelian group

Is this a correct proof that the center of a Hausdorff group is closed?

Showing supp$(\lambda=\sum_{n=0}\frac{1}{2^{n+1}}\mu^{n})=T_{\mu}\cup\{1\}$

Example of non-cocompact lattice in a specific topological group

What does $\mathbb{R}/(\mathbb{Z} + \sqrt{2}\mathbb{Z})$ look like?

$S(\Bbb{Q}^n)\subseteq \mathcal{P}(\Bbb{Q}^n)$ is Borel and the Borel action of $GL_n(\Bbb{Q})$ on $S(\Bbb{Q}^n)$

Does the metric of a homogeneous compact metric space lift to a metric on its group of isometries?

Show that the $\Gamma_1$ of $\mathrm{SL}_n(\mathbb{Z}_p)$ is pro-$p$ and finitely generated.

Why is $\prod_{p\in\mathbb{P}}\mathbb{Z}/p\mathbb{Z}$ not an open subgroup of a compactly generated simple group

Is every convex fundamental region regularly open?

What is $\text{Hom}_{\text{cts}}(\hat{\mathbb{Z}},\mathbb{Z})$?

Prove that $A$ is a compact subset of $M_3(\Bbb R) \cong \Bbb R^9$.

Does a group act on the closure of its orbits?

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