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Partial cohomology of groups and extensions of semilattices of abelian groups (1705.09654v3)
Published 26 May 2017 in math.GR
Abstract: We extend the notion of a partial cohomology group $Hn(G,A)$ to the case of non-unital $A$ and find interpretations of $H1(G,A)$ and $H2(G,A)$ in the theory of extensions of semilattices of abelian groups by groups.
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