Is there a theory of simplicial cohomology with coefficients in a non-abelian group ? I've found next to nothing on Google so far...
I'm interested in particular in the cohomology of graphs with coefficients in the symmetric group $S_3$...
Is there a theory of simplicial cohomology with coefficients in a non-abelian group ? I've found next to nothing on Google so far...
I'm interested in particular in the cohomology of graphs with coefficients in the symmetric group $S_3$...