Question

Action of discrete subgroup of Lie Groups

score 194 · Answer 1 · 2015-11-03 02:35:26

194

Views

Action of discrete subgroup of Lie Groups

Published on 03 Nov 2015 - 2:35

score 151 · Answer 2 · 2015-11-08 23:13:11

151

Views

Is multiplication by $n$ a closed map for an abelian topological group

Published on 08 Nov 2015 - 23:13

score 781 · Answer 3 · 2015-11-09 12:46:57

781

Views

Question about Quotient space, regarding The left coset space of group $G$ with respect to a subgroup $H$

Published on 09 Nov 2015 - 12:46

score 61 · Answer 4 · 2015-11-11 09:30:34

61

Views

A proper subfield of $\mathbb{R}$ must not be connected?

Published on 11 Nov 2015 - 9:30

score 90 · Answer 5 · 2015-11-11 13:04:36

90

Views

The path-connected field is just $\mathbb{R}$ or $\mathbb{C}$?

Published on 11 Nov 2015 - 13:04

score 1.1k · Answer 6 · 2015-11-12 02:26:48

1.1k

Views

Visualization of SU(3)

Published on 12 Nov 2015 - 2:26

score 49 · Answer 7 · 2015-11-12 10:26:38

prove continuity of additive function of integer group under topology $T=\{ \mathbb Z,\emptyset \} \cup\{[n,\infty), n \in \mathbb Z\}$

score 606 · Answer 8 · 2026-03-29 15:29:33

606

Views

Non-open subgroups of finite index in the idele class group of a number field

Published on 29 Mar 2026 - 15:29

score 81 · Answer 9 · 2015-11-12 23:44:48

81

Views

Show that the action of $G$ over $X\cong G/K$ is proper for $K$ compact

Published on 12 Nov 2015 - 23:44

score 627 · Answer 10 · 2015-11-13 21:05:23

627

Views

Covering space of an abelian topological group is abelian if the covering map is a homomorphism

Published on 13 Nov 2015 - 21:05

score 40 · Answer 11 · 2015-11-15 03:38:05

40

Views

Some properties and (counter-)examples of the subfield of $\mathbb{R}$

Published on 15 Nov 2015 - 3:38

score 735 · Answer 12 · 2015-11-19 00:55:20

735

Views

Do closed subgroups of connected groups have open connected components?

Published on 19 Nov 2015 - 0:55

score 79 · Answer 13 · 2015-11-25 22:21:43

79

Views

Find two subgroups of $GL(2,\mathbb{C})$ and an isomorphism between them that is not a homeomorphism.

Published on 25 Nov 2015 - 22:21

score 1.2k · Answer 14 · 2026-03-24 15:28:58

1.2k

Views

Why are the fibers of principal G-bundles homeomorphic to G?

Published on 24 Mar 2026 - 15:28

score 437 · Answer 15 · 2026-03-26 03:49:39

437

Views

Example of an infinite non-normal subgroup $H$ of non-abelian (topological)group $G$.

Published on 26 Mar 2026 - 3:49

List Question

Action of discrete subgroup of Lie Groups

Is multiplication by $n$ a closed map for an abelian topological group

Question about Quotient space, regarding The left coset space of group $G$ with respect to a subgroup $H$

A proper subfield of $\mathbb{R}$ must not be connected?

The path-connected field is just $\mathbb{R}$ or $\mathbb{C}$?

Visualization of SU(3)

prove continuity of additive function of integer group under topology $T=\{ \mathbb Z,\emptyset \} \cup\{[n,\infty), n \in \mathbb Z\}$

Non-open subgroups of finite index in the idele class group of a number field

Show that the action of $G$ over $X\cong G/K$ is proper for $K$ compact

Covering space of an abelian topological group is abelian if the covering map is a homomorphism

Some properties and (counter-)examples of the subfield of $\mathbb{R}$

Do closed subgroups of connected groups have open connected components?

Find two subgroups of $GL(2,\mathbb{C})$ and an isomorphism between them that is not a homeomorphism.

Why are the fibers of principal G-bundles homeomorphic to G?

Example of an infinite non-normal subgroup $H$ of non-abelian (topological)group $G$.

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