2 problems

Let $G$ be a group. It has BVC if there are virtually cyclic subgroups $V_1,\ldots,V_n$ such that every virtually cyclic subgroup of $G$ is conjugate to a subgroup of some $V_i$. B…

Let $G$) be a group, and let ${\underline{\underline E}}G=E_{\mathcal{VCY}}(G)$ denote a $G$-CW-model for the classifying space for the family of virtually cyclic subgroups. The mo…