2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225496These are the notes of a lecture given during the summer school "Geometric and Topological Methods for Quantum Field Theory", Villa de Leyva, Colombia, july 11 - 29, 2005. We review basic facts concerning gauge anomalies and discuss the link with the Connes-Moscovici index formula in noncommutative geometry.38 pagesHigh Energy Physics - TheoryMathematical Physicstext