List questions from group-actions

Published on 15 Jan 2015 - 10:21

1.4k

Views

Group Actions: Orbit Space

Published on 15 Jan 2015 - 15:33

130

Views

My proof that $G(x)\to G / G_x$ is injective

Published on 17 Jan 2015 - 7:53

119

Views

Group action on $\mathbb R^2$: are my thoughts correct?

Published on 19 Jan 2015 - 0:12

136

Views

Number of ways to pick N numbers from 0,1,...,N-1, with possible duplication, with sum equal 0 mod N

Published on 19 Jan 2015 - 10:22

187

Views

Coaction of a product.

Published on 28 Mar 2026 - 15:26

72

Views

If $Aut_K(L)$ operates transitive over the zeros of $f$, then $f$ is irreducible

Published on 02 Feb 2015 - 18:14

172

Views

Describe invariants using coaction.

Published on 28 Mar 2026 - 13:59

770

Views

Permutation isomorphic subgroups of $S_n$ are conjugate

Published on 04 Feb 2015 - 16:48

358

Views

First examples for topology of non-Hausdorff spaces

Published on 26 Mar 2026 - 21:09

1.3k

Views

Group action with two orbits

Published on 09 Feb 2015 - 2:59

146

Views

how to see whether a bundle is trivial or not?

Published on 28 Mar 2026 - 2:49

399

Views

Isomorphic but not equivalent actions of a group G

Published on 10 Feb 2015 - 22:47

233

Views

Two transformation groups of the hyperbolic plane are isomorphic?

Published on 30 Mar 2026 - 6:14

91

Views

Action of automorphisms on Eisenstein series

Published on 30 Mar 2026 - 14:40

List Question

A topological space with a transitive action.

Group Actions: Orbit Space

My proof that $G(x)\to G / G_x$ is injective

Group action on $\mathbb R^2$: are my thoughts correct?

Number of ways to pick N numbers from 0,1,...,N-1, with possible duplication, with sum equal 0 mod N

Coaction of a product.

If $Aut_K(L)$ operates transitive over the zeros of $f$, then $f$ is irreducible

Describe invariants using coaction.

Permutation isomorphic subgroups of $S_n$ are conjugate

First examples for topology of non-Hausdorff spaces

Group action with two orbits

how to see whether a bundle is trivial or not?

Isomorphic but not equivalent actions of a group G

Two transformation groups of the hyperbolic plane are isomorphic?

Action of automorphisms on Eisenstein series

Trending Questions

Popular # Hahtags

Popular Questions