Relative group (co)homology theories with coefficients and the comparison homomorphism

José Antonio Arciniega-Nevárez, José Luis Cisneros-Molina, Luis Jorge Sánchez Saldaña

Let $G$ be a group, let $H$ be a subgroup of $G$ and let $\Or(G)$ be the orbit category. In this paper we extend the definition of the relative group (co)homology theories of the p…