Cohomological dimension with respect to nonabelian groups

Atish Mitra

Cencelj and Dranishnikov showed that for certain nilpotent groups $G$, $K(G_{ab},1)\in \text{AE}(X)$ is equivalent to $K(G,1)\in \text{AE}(X)$ for any compacta $X$ (here $G_{ab}$…