Symmetric cohomology of groups in low dimension
classification
🧮 math.GR
keywords
cohomologygivesymmetriccharacterizationconditionscorresponddimensionelements
read the original abstract
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.
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