List questions from group-actions

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Burnside's Lemma and Necklaces

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Existence of Sylow p-subgroups with Group actions

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How the following two definitions of faithful action are equivalent?

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586

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Finding the action to Dummit and Foote 4.3.17

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Name of subset of $X$ consisting of those elements $x$ fixed by a given subgroup $F \leq G$.

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Action of upper triangular matrices

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Orbits and stabilisers

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258

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Proving the union of conjugates of a subgroup is not the whole group

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Completion of Group Action

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Number of orbits of a group action

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Importance of group action in abstract algebra

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group acting linearly on a topological space

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Orbits for the diagonal action

Published on 04 Apr 2026 - 14:22

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Determining the stabilizer of a matrix under conjugation

Published on 13 Nov 2017 - 22:10

List Question

Tangent space to fixed point manifold and fixed point set of tangent space

Burnside's Lemma and Necklaces

Existence of Sylow p-subgroups with Group actions

How the following two definitions of faithful action are equivalent?

Finding the action to Dummit and Foote 4.3.17

Name of subset of $X$ consisting of those elements $x$ fixed by a given subgroup $F \leq G$.

Action of upper triangular matrices

Orbits and stabilisers

Proving the union of conjugates of a subgroup is not the whole group

Completion of Group Action

Number of orbits of a group action

Importance of group action in abstract algebra

group acting linearly on a topological space

Orbits for the diagonal action

Determining the stabilizer of a matrix under conjugation

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