Question

Properly Discontinuous Group Action on $\mathbb{C}^{\times}$

score 53 · Answer 1 · 2020-02-22 16:05:12

53

Views

Properly Discontinuous Group Action on $\mathbb{C}^{\times}$

Published on 22 Feb 2020 - 16:05

score 157 · Answer 2 · 2026-03-28 15:21:13

157

Views

Prove that if $G$ acts properly on $X$, the quotient map $\pi: X\to X/G$ to the space $X/G$ of orbits is a covering.

Published on 28 Mar 2026 - 15:21

score 75 · Answer 3 · 2026-03-27 18:08:38

75

Views

Finite Group Action on $\mathbb{C}$

Published on 27 Mar 2026 - 18:08

score 166 · Answer 4 · 2020-02-26 18:49:17

166

Views

Are all transpositions of a finite set conjugate to each other under action by inner automorphisms?

Published on 26 Feb 2020 - 18:49

score 28 · Answer 5 · 2020-02-26 19:11:21

28

Views

If $H$ acts freely and properly on $G$, then $H$ also acts freely and properly on any subgroup of $G$.

Published on 26 Feb 2020 - 19:11

score 62 · Answer 6 · 2020-02-29 06:39:13

62

Views

Group actions on the Fano-Mukai $4$-fold

Published on 29 Feb 2020 - 6:39

score 264 · Answer 7 · 2020-02-29 23:27:50

264

Views

Question Regarding the Definition of a "Stable Permutation Representation"

Published on 29 Feb 2020 - 23:27

score 48 · Answer 8 · 2026-03-26 01:34:38

48

Views

Fixed Points of an action in $\mathbb Q_2^n$ when the action is fixed point free on $\mathbb Z_2^n$

Published on 26 Mar 2026 - 1:34

score 234 · Answer 9 · 2026-03-28 00:48:39

234

Views

Sylow Theory: $gHg^{-1} \leq P$

Published on 28 Mar 2026 - 0:48

score 36 · Answer 10 · 2020-03-02 21:59:57

36

Views

Clarification regarding an exercise about primitive permutation group

Published on 02 Mar 2020 - 21:59

score 40 · Answer 11 · 2020-03-03 19:42:40

40

Views

Block system partitions set

Published on 03 Mar 2020 - 19:42

score 40 · Answer 12 · 2026-03-27 18:09:29

40

Views

Symmetry of Riemann Tensors via Group Actions.

Published on 27 Mar 2026 - 18:09

score 38 · Answer 13 · 2020-03-05 21:40:26

38

Views

Relation between a group action and its transitive constituents

Published on 05 Mar 2020 - 21:40

score 224 · Answer 14 · 2020-03-07 20:43:22

224

Views

$k$-transitive implies $(k-1)$-transitive

Published on 07 Mar 2020 - 20:43

score 201 · Answer 15 · 2020-03-08 00:41:55

201

Views

If $a$ and $b$ are in the same orbit, then the stabilizer of $a$ is conjugate to the stabilizer of $b$

Published on 08 Mar 2020 - 0:41

List Question

Properly Discontinuous Group Action on $\mathbb{C}^{\times}$

Prove that if $G$ acts properly on $X$, the quotient map $\pi: X\to X/G$ to the space $X/G$ of orbits is a covering.

Finite Group Action on $\mathbb{C}$

Are all transpositions of a finite set conjugate to each other under action by inner automorphisms?

If $H$ acts freely and properly on $G$, then $H$ also acts freely and properly on any subgroup of $G$.

Group actions on the Fano-Mukai $4$-fold

Question Regarding the Definition of a "Stable Permutation Representation"

Fixed Points of an action in $\mathbb Q_2^n$ when the action is fixed point free on $\mathbb Z_2^n$

Sylow Theory: $gHg^{-1} \leq P$

Clarification regarding an exercise about primitive permutation group

Block system partitions set

Symmetry of Riemann Tensors via Group Actions.

Relation between a group action and its transitive constituents

$k$-transitive implies $(k-1)$-transitive

If $a$ and $b$ are in the same orbit, then the stabilizer of $a$ is conjugate to the stabilizer of $b$

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