2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154333These are notes for a five lecture series intended to uncover large-scale phenomena in the homotopy groups of spheres using the Adams-Novikov Spectral Sequence. The lectures were given in Strasbourg, May 7-11, 2007.Notes from lectures at IRMA Strasbourg, May 7-11, 2007Algebraic Topology55Q07; 55Q51; 55T15text