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New posts in group-actions
Proper and cocompact group action by isometries on a metric space
metric-spaces
group-actions
geometric-group-theory
Show that any abelian transitive subgroup of $S_n$ has order $n$
group-theory
finite-groups
abelian-groups
symmetric-groups
group-actions
How many group actions are there of $Q_8$ on a 4 element set.
group-theory
group-actions
quaternions
Volume form on $(n-1)$-sphere $S^{n-1}$
differential-geometry
differential-forms
group-actions
Where am I wrong that I can prove every subgroup is normal?
group-theory
solution-verification
group-actions
normal-subgroups
fake-proofs
Is the Structure Group of a Fibre Bundle Well-Defined?
differential-geometry
group-actions
fiber-bundles
The action of $\mathbb{Z}_{p}$ on $\mathbb{R}^{2}$
geometry
group-actions
What does an outer automorphism look like?
abstract-algebra
group-theory
intuition
symmetric-groups
group-actions
Stabilizers in a permutation group
abstract-algebra
group-theory
permutations
group-actions
permutation-cycles
How to define own group action in GAP?
group-actions
gap
Reference Request for Orbits of Group Representation
group-theory
representation-theory
homological-algebra
group-actions
characters
A question about extending group actions to maps.
group-theory
group-actions
equivariant-maps
computing the orbits for a group action
abstract-algebra
group-theory
group-actions
On Conjugacy Classes of Alternating Group $A_n$
abstract-algebra
group-theory
group-actions
permutations
Permutation of cosets
abstract-algebra
group-theory
finite-groups
group-actions
Image and kernel of the action of the group $D_{12}$ on the $D_{12}/H$
abstract-algebra
group-theory
permutations
group-actions
dihedral-groups
How to visualize group elements as actions?
abstract-algebra
group-theory
reference-request
group-actions
visualization
How much of a group $G$ is determined by the category of $G$-sets?
group-theory
category-theory
representation-theory
group-actions
Group action conjugation counting argument
group-theory
finite-groups
group-actions
Local form of a fundamental vector field
differential-geometry
group-actions
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