Question

On lifting an action of $G$ on $X$ to an action of $G'$ on $\tilde{X}$.

score 432 · Answer 1 · 2016-02-22 13:37:37

432

Views

On lifting an action of $G$ on $X$ to an action of $G'$ on $\tilde{X}$.

Published on 22 Feb 2016 - 13:37

score 587 · Answer 2 · 2016-02-22 18:15:38

587

Views

Is the action of $\mathbb Z$ on $\mathbb R$ by translation the only such action?

Published on 22 Feb 2016 - 18:15

score 605 · Answer 3 · 2016-02-23 14:37:06

605

Views

Group Operations/ Group Actions

Published on 23 Feb 2016 - 14:37

score 38 · Answer 4 · 2016-02-24 10:31:52

38

Views

If stabilizer contains Sylow $2$-subgroup $S$ and another nontrivial subgroup $X$ fixing two points, then $X$ normalizes $S$

Published on 24 Feb 2016 - 10:31

score 60 · Answer 5 · 2016-02-24 17:52:14

60

Views

A specific question on three statements in a paper about fixed point bounded groups, its interpretation and its usage w.r.t. the Sylow theorems

Published on 24 Feb 2016 - 17:52

score 322 · Answer 6 · 2026-03-30 05:16:23

322

Views

Does $\pi_1(X, x_0)$ act on $\tilde{X}$?

Published on 30 Mar 2026 - 5:16

score 490 · Answer 7 · 2026-04-02 10:58:19

490

Views

Action of $A_n$ on cosets by translation

Published on 02 Apr 2026 - 10:58

score 90 · Answer 8 · 2016-02-25 15:25:33

90

Views

What are the fixed points of this action?

Published on 25 Feb 2016 - 15:25

score 496 · Answer 9 · 2026-03-30 05:13:11

496

Views

Is the quotient $X/G$ homeomorphic to $\tilde{X}/G'$?

Published on 30 Mar 2026 - 5:13

score 69 · Answer 10 · 2016-02-26 11:24:29

69

Views

If $|\alpha^N| = 1 + k|g|$ for $g \in G_{\alpha}$, then $g$ fixes a point on every $N$-orbit that it stabilizers

Published on 26 Feb 2016 - 11:24

score 209 · Answer 11 · 2026-03-28 03:53:05

209

Views

Example of a permutation group with fixed point restrictions and dihedral or semidihedral Sylow $2$-subgroups

Published on 28 Mar 2026 - 3:53

score 863 · Answer 12 · 2026-03-30 05:13:14

863

Views

An example of lifting a group action to the universal cover.

Published on 30 Mar 2026 - 5:13

score 54 · Answer 13 · 2026-03-29 18:37:24

54

Views

If $G = R \rtimes G_{\alpha}$ and $R$ is non-abelian of order $27$ and exponent $3$, then $G_{\alpha} \ncong D_{12}$

Published on 29 Mar 2026 - 18:37

score 329 · Answer 14 · 2016-03-01 19:41:15

329

Views

Is nonsingular group action on a measure space "continuous"?

Published on 01 Mar 2016 - 19:41

score 102 · Answer 15 · 2026-04-02 18:42:59

102

Views

Let $G$ be a group of order $120$, let $H≤G$ with $|H|=40$. Prove that there exists $K$ such that $K\unlhd G$, $K≤H$, and $|K|≥20$.

Published on 02 Apr 2026 - 18:42

List Question

On lifting an action of $G$ on $X$ to an action of $G'$ on $\tilde{X}$.

Is the action of $\mathbb Z$ on $\mathbb R$ by translation the only such action?

Group Operations/ Group Actions

If stabilizer contains Sylow $2$-subgroup $S$ and another nontrivial subgroup $X$ fixing two points, then $X$ normalizes $S$

A specific question on three statements in a paper about fixed point bounded groups, its interpretation and its usage w.r.t. the Sylow theorems

Does $\pi_1(X, x_0)$ act on $\tilde{X}$?

Action of $A_n$ on cosets by translation

What are the fixed points of this action?

Is the quotient $X/G$ homeomorphic to $\tilde{X}/G'$?

If $|\alpha^N| = 1 + k|g|$ for $g \in G_{\alpha}$, then $g$ fixes a point on every $N$-orbit that it stabilizers

Example of a permutation group with fixed point restrictions and dihedral or semidihedral Sylow $2$-subgroups

An example of lifting a group action to the universal cover.

If $G = R \rtimes G_{\alpha}$ and $R$ is non-abelian of order $27$ and exponent $3$, then $G_{\alpha} \ncong D_{12}$

Is nonsingular group action on a measure space "continuous"?

Let $G$ be a group of order $120$, let $H≤G$ with $|H|=40$. Prove that there exists $K$ such that $K\unlhd G$, $K≤H$, and $|K|≥20$.

Trending Questions

Popular # Hahtags

Popular Questions