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List Question

Not Hausdorff quotient by a properly discontinuous action

Lee: Quotient manifold theorem: smooth transition maps

Continuous and smooth actions of Lie groups on manifolds

reduce the group action

A transformation between two free group actions.

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Let G acts on $\Omega$. Show that $f_{G,\Omega}(x)$ is an integer whenever x is a positive integer.

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Relationship Between Free Group Actions of a Finite Set

Burnside's lemma applied on a pyramid

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