Question

Separately continuous implies continuous

score 504 · Answer 1 · 2026-03-25 13:51:59

504

Views

Separately continuous implies continuous

Published on 25 Mar 2026 - 13:51

score 573 · Answer 2 · 2019-04-23 19:31:53

573

Views

If $H_1 \subset H_2 \subset G$ and $G/H_2,\ H_2/H_1$ are compact then $G/H_1$ is compact.

Published on 23 Apr 2019 - 19:31

score 181 · Answer 3 · 2019-04-26 07:09:20

181

Views

Is there always a continuous surjection from $H \times G/H$ to $G$?

Published on 26 Apr 2019 - 7:09

score 63 · Answer 4 · 2019-04-28 20:39:53

63

Views

A representation is continuous if $v \mapsto \pi(g)v$ and $g \mapsto \pi(g)v$ are each continuous

Published on 28 Apr 2019 - 20:39

score 207 · Answer 5 · 2026-03-25 13:56:52

207

Views

Compatibility of a metric with a left-invariant metric on a topological group

Published on 25 Mar 2026 - 13:56

score 32 · Answer 6 · 2026-03-25 07:48:43

32

Views

structure of the abelian semigroup defined on a metric space

Published on 25 Mar 2026 - 7:48

score 40 · Answer 7 · 2019-05-01 09:08:55

40

Views

Let $H$ be any connected subgroup of a matrix group $G$. Show that $S = \bigcup_{x \in G} x H x^{-1}$ is connected

Published on 01 May 2019 - 9:08

score 44 · Answer 8 · 2026-03-25 07:45:03

44

Views

Is it possible to consider the set of orbits of a continuous dynamical system on a compact metric space as a topological space?

Published on 25 Mar 2026 - 7:45

score 34 · Answer 9 · 2026-03-25 07:42:47

34

Views

A question about continuous actions of topological groups.

Published on 25 Mar 2026 - 7:42

score 150 · Answer 10 · 2019-05-02 12:19:47

150

Views

Is there non-compacted Hausdorff Space?

Published on 02 May 2019 - 12:19

score 83 · Answer 11 · 2019-05-02 19:41:41

83

Views

Is the boundary of a rooted tree with finite valence compact?

Published on 02 May 2019 - 19:41

score 1.2k · Answer 12 · 2019-05-03 01:32:04

1.2k

Views

Properly discontinuous actions and discrete groups in complete Riemannian manifolds.

Published on 03 May 2019 - 1:32

score 99 · Answer 13 · 2019-05-05 16:41:00

99

Views

Effect of the multiplication map $G\times G\rightarrow G$ on homology groups

Published on 05 May 2019 - 16:41

score 346 · Answer 14 · 2019-05-06 01:43:36

346

Views

Subgroups of semisimple Lie groups

Published on 06 May 2019 - 1:43

score 308 · Answer 15 · 2019-05-06 06:23:35

308

Views

A question on Rudin's "proof" of the associativity of the convolution of two measures

Published on 06 May 2019 - 6:23

List Question

Separately continuous implies continuous

If $H_1 \subset H_2 \subset G$ and $G/H_2,\ H_2/H_1$ are compact then $G/H_1$ is compact.

Is there always a continuous surjection from $H \times G/H$ to $G$?

A representation is continuous if $v \mapsto \pi(g)v$ and $g \mapsto \pi(g)v$ are each continuous

Compatibility of a metric with a left-invariant metric on a topological group

structure of the abelian semigroup defined on a metric space

Let $H$ be any connected subgroup of a matrix group $G$. Show that $S = \bigcup_{x \in G} x H x^{-1}$ is connected

Is it possible to consider the set of orbits of a continuous dynamical system on a compact metric space as a topological space?

A question about continuous actions of topological groups.

Is there non-compacted Hausdorff Space?

Is the boundary of a rooted tree with finite valence compact?

Properly discontinuous actions and discrete groups in complete Riemannian manifolds.

Effect of the multiplication map $G\times G\rightarrow G$ on homology groups

Subgroups of semisimple Lie groups

A question on Rudin's "proof" of the associativity of the convolution of two measures

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