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Giulio
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Group structure extension

Let $G$ be a finite group and $X$ a finite $G$-set. Let $H$ be the set-theoretical cartesian product of $G$ and $X$.

Is there an homological theory controlling all possible (commutative) group structure on $H$ (possibly assuming that there exists at least one group structure) ? Any reference is welcome.

Giulio
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  • 20