Séminaire des jeunes : Robert Szafarczyk (Université de Copenhague) : Ring quotients in homotopical algebra
Bâtiment Fermat, salle 4205One of the hardest and most fundamental problems in topology is computing homotopy groups of spheres. One can simplify it a little by restricting to the stable range. This reveals a lot more structure: stable homotopy groups form a graded