2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107742In this paper, we describe a process to create hyperbolicity in the neighbourhood of a homoclinic orbit to a partially hyperbolic torus for three degrres of freedom Hamiltonian systems: the transversality-torsion phenomenon.10 pagesDynamical Systems37D05-37J40-37J45Hyperboliity versus partial-hyperbolicity and the transversality-torsion phenomenontext