Question

Subgroup of a doubly transitively acting group acts transitively

score 82 · Answer 1 · 2023-06-05 14:55:30

82

Views

Subgroup of a doubly transitively acting group acts transitively

Published on 05 Jun 2023 - 14:55

score 35 · Answer 2 · 2023-06-08 10:48:21

35

Views

Action of group on $\mathbb{R}^2$ homeomorphic to $M \backslash\partial M$

Published on 08 Jun 2023 - 10:48

score 38 · Answer 3 · 2023-06-12 17:12:30

38

Views

Group action($G$-action) induces, $G/N$ action on the same set. And in normal groups $n_0nn_0^{-1}=n$

Published on 12 Jun 2023 - 17:12

score 20 · Answer 4 · 2023-06-13 17:45:46

20

Views

Dimension of a vector space and group action on a ring

Published on 13 Jun 2023 - 17:45

score 101 · Answer 5 · 2026-03-25 14:06:25

101

Views

A Question on the Pedagogical Logic Behind the Order of Two Given Exercises

Published on 25 Mar 2026 - 14:06

score 105 · Answer 6 · 2023-06-16 21:29:10

105

Views

Hopf curve isomorphic to an elliptic curve $\mathbb{C}/\Gamma$.

Published on 16 Jun 2023 - 21:29

score 24 · Answer 7 · 2023-06-17 09:33:46

24

Views

Let $X$ be the orbit space $\mathbb{R}^n /\mathbb{R}^+$. Show that $X$ has an open subset homeomorphic to $\mathbb{S}^{n-1}$.

Published on 17 Jun 2023 - 9:33

score 306 · Answer 8 · 2023-06-17 18:44:26

306

Views

Difference between regular and transitive action in terms of stabilizers in a group

Published on 17 Jun 2023 - 18:44

score 155 · Answer 9 · 2026-03-27 13:19:20

155

Views

Action of a finite group on a tree

Published on 27 Mar 2026 - 13:19

score 116 · Answer 10 · 2026-03-29 03:36:34

116

Views

The semidirect product of $\Bbb R^*$ and $\Bbb R$ is isomorphic to the group of upper-triangular real 2-by-2 matrices with determinant 1.

Published on 29 Mar 2026 - 3:36

score 32 · Answer 11 · 2026-03-27 18:41:02

32

Views

Equivalence of different metrics on orbit space

Published on 27 Mar 2026 - 18:41

score 38 · Answer 12 · 2023-06-27 13:47:03

38

Views

$G/G^{(1)}$ acts by conjugation on $G^{(1)}/G^{(2)}$

Published on 27 Jun 2023 - 13:47

score 68 · Answer 13 · 2023-06-28 15:29:33

68

Views

Dimension of an irreducible representation over an algebraically closed field of a finite group containing an abelian subgroup

Published on 28 Jun 2023 - 15:29

score 117 · Answer 14 · 2023-06-30 09:02:15

117

Views

If $G$ is a (Lie) group, is $G[[t]]$ a group?

Published on 30 Jun 2023 - 9:02

score 59 · Answer 15 · 2026-03-25 10:58:35

59

Views

Action of braid groups on regular trees

Published on 25 Mar 2026 - 10:58

List Question

Subgroup of a doubly transitively acting group acts transitively

Action of group on $\mathbb{R}^2$ homeomorphic to $M \backslash\partial M$

Group action($G$-action) induces, $G/N$ action on the same set. And in normal groups $n_0nn_0^{-1}=n$

Dimension of a vector space and group action on a ring

A Question on the Pedagogical Logic Behind the Order of Two Given Exercises

Hopf curve isomorphic to an elliptic curve $\mathbb{C}/\Gamma$.

Let $X$ be the orbit space $\mathbb{R}^n /\mathbb{R}^+$. Show that $X$ has an open subset homeomorphic to $\mathbb{S}^{n-1}$.

Difference between regular and transitive action in terms of stabilizers in a group

Action of a finite group on a tree

The semidirect product of $\Bbb R^*$ and $\Bbb R$ is isomorphic to the group of upper-triangular real 2-by-2 matrices with determinant 1.

Equivalence of different metrics on orbit space

$G/G^{(1)}$ acts by conjugation on $G^{(1)}/G^{(2)}$

Dimension of an irreducible representation over an algebraically closed field of a finite group containing an abelian subgroup

If $G$ is a (Lie) group, is $G[[t]]$ a group?

Action of braid groups on regular trees

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