List questions from group-actions

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174

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Group acting on a set

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Group Actions of $S_n$ and $O(n)$

Published on 30 May 2013 - 1:13

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Geometric way to view the truncated braid groups?

Published on 25 Mar 2026 - 13:59

83

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How to find the order of $ X_k$?

Published on 04 Jun 2013 - 7:02

252

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Realizing groups as symmetry groups

Published on 25 Mar 2026 - 13:32

137

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What subsets of a covering space cover their image?

Published on 30 Mar 2026 - 15:14

375

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Proving those elliptic matrices in $\operatorname{SL}_2(ℤ)$ are not conjugate

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341

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Group acting by isometries on a length space

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397

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Are subgroups kernels of some $1$-cocycles?

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Ergodic action of a group

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266

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Group action on a manifold with finitely many orbits

Published on 19 Jun 2013 - 0:03

436

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Two definitions of equivariant sheaves

Published on 25 Mar 2026 - 11:01

427

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trivial group actions V.s trivial homomorphisms ?!

Published on 20 Jun 2013 - 2:54

204

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Faithful group actions and dimensions

Published on 23 Jun 2013 - 15:23

List Question

An orbit of a group action and the implicit function theorem

Group acting on a set

Group Actions of $S_n$ and $O(n)$

Geometric way to view the truncated braid groups?

How to find the order of $ X_k$?

Realizing groups as symmetry groups

What subsets of a covering space cover their image?

Proving those elliptic matrices in $\operatorname{SL}_2(ℤ)$ are not conjugate

Group acting by isometries on a length space

Are subgroups kernels of some $1$-cocycles?

Ergodic action of a group

Group action on a manifold with finitely many orbits

Two definitions of equivariant sheaves

trivial group actions V.s trivial homomorphisms ?!

Faithful group actions and dimensions

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