2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34652We prove, for the relativistic Boltzmann equation in the homogeneous case, on the Minkowski space-time, a global in time existence and uniqueness theorem. The method we develop extends to the cases of some curved space-times such as the flat Robertson-Walker space-time and some Bianchi type I space-times.19 pagesGeneral Relativity and Quantum Cosmologytext