%0 Journal Article
%T Symmetric cohomology of groups in low dimension
%A Mihai D. Staic
%J Mathematics
%D 2009
%I arXiv
%X We give an explicit characterization for group extensions that correspond to elements of the symmetric cohomology $HS^2(G,A)$. We also give conditions for the map $HS^n(G,A)\to H^n(G,A)$ to be injective.
%U http://arxiv.org/abs/0912.0042v1