2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225016Goerss, Henn, Mahowald and Rezk construct a complex of permutation modules for the Morava stabilizer group G_2 at the prime 3. We describe how this can be done using techniques from homological algebra.This is the version published by Geometry & Topology Monographs on 14 November 2007Algebraic Topology20J06, 55P60text