2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135952We present a way of constructing and deforming diffeomorphisms of manifolds endowed with a Lie group action. This is applied to the study of exotic diffeomorphisms and involutions of spheres and to the equivariant homotopy of Lie groups.10 pagesDifferential GeometryAlgebraic Topology57R52;57R91text