Question

Group action $GL(m,\mathbb{R}) \times GL(n,\mathbb{R})$

score 101 · Answer 1 · 2026-04-15 11:48:53

101

Views

Group action $GL(m,\mathbb{R}) \times GL(n,\mathbb{R})$

Published on 15 Apr 2026 - 11:48

score 322 · Answer 2 · 2026-04-29 12:42:22

322

Views

Solvable group, primitive group action

Published on 29 Apr 2026 - 12:42

score 43 · Answer 3 · 2026-05-10 17:17:50

43

Views

Is $:U(R)\times R^+\longrightarrow R^+,\ (g,a)\mapsto ga:=g\cdot a$ surjective?

Published on 10 May 2026 - 17:17

score 138 · Answer 4 · 2026-05-10 16:12:12

138

Views

Set of points with bounded orbit is closed

Published on 10 May 2026 - 16:12

score 116 · Answer 5 · 2026-04-18 02:40:29

116

Views

If an infinite group acts freely on two sets then the sets are bijective via an action preserving bijection?

Published on 18 Apr 2026 - 2:40

score 130 · Answer 6 · 2026-04-18 15:01:32

130

Views

If an infinite group $G$ acts freely on two sets of same cardinality $> |G|$, then the sets are bijective via an action preserving bijection?

Published on 18 Apr 2026 - 15:01

score 532 · Answer 7 · 2026-04-17 07:53:18

532

Views

Find conjugacy classes of $S_3$

Published on 17 Apr 2026 - 7:53

score 375 · Answer 8 · 2026-05-10 17:01:14

375

Views

Unclear construction in a paper of Ornstein and Weiss

Published on 10 May 2026 - 17:01

score 133 · Answer 9 · 2026-04-18 16:05:07

133

Views

For an infinite group $G$, is the collection of all transitive $G$-sets first order elementary?

Published on 18 Apr 2026 - 16:05

score 81 · Answer 10 · 2026-04-14 02:40:53

81

Views

Completeness and model completeness of the first order theory of faithful $G$-sets for a fixed infinite group $G$

Published on 14 Apr 2026 - 2:40

score 303 · Answer 11 · 2026-04-14 16:55:12

303

Views

Show that $G$ is isomorphic to $\operatorname{Aut}_{G-Set}(G)$

Published on 14 Apr 2026 - 16:55

score 132 · Answer 12 · 2026-04-10 16:26:14

132

Views

Finding eigenvalues and eigenvectors of $B=AP$, where $P$ is a permutation matrix

Published on 10 Apr 2026 - 16:26

score 47 · Answer 13 · 2026-04-12 07:53:46

47

Views

Prove that $\pi$ is an action.

Published on 12 Apr 2026 - 7:53

score 73 · Answer 14 · 2026-04-16 04:00:24

73

Views

Relation involving pairing on polynomial vector space

Published on 16 Apr 2026 - 4:00

score 44 · Answer 15 · 2026-05-10 18:06:14

44

Views

Is there $T_2$- space $X$ and a group $G$ such that $X_G$ is not $T_2$ space?

Published on 10 May 2026 - 18:06

List Question

Group action $GL(m,\mathbb{R}) \times GL(n,\mathbb{R})$

Solvable group, primitive group action

Is $:U(R)\times R^+\longrightarrow R^+,\ (g,a)\mapsto ga:=g\cdot a$ surjective?

Set of points with bounded orbit is closed

If an infinite group acts freely on two sets then the sets are bijective via an action preserving bijection?

If an infinite group $G$ acts freely on two sets of same cardinality $> |G|$, then the sets are bijective via an action preserving bijection?

Find conjugacy classes of $S_3$

Unclear construction in a paper of Ornstein and Weiss

For an infinite group $G$, is the collection of all transitive $G$-sets first order elementary?

Completeness and model completeness of the first order theory of faithful $G$-sets for a fixed infinite group $G$

Show that $G$ is isomorphic to $\operatorname{Aut}_{G-Set}(G)$

Finding eigenvalues and eigenvectors of $B=AP$, where $P$ is a permutation matrix

Prove that $\pi$ is an action.

Relation involving pairing on polynomial vector space

Is there $T_2$- space $X$ and a group $G$ such that $X_G$ is not $T_2$ space?

Trending Questions

Popular # Hahtags

Popular Questions