2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152476We present a perturbative construction of the $φ^4$ model on a smooth globally hyperbolic space-time. Our method relies on a adaptation of the Epstein and Glaser method of renormalization to curved space-times using techniques from microlocal analysis.AMSTeX, 18 pages, to be published on the proceedings of the conference `Operator Algebras and Quantum Field Theory` held at Accademia Nazionale dei Lincei, Rome, Italy, July 1996General Relativity and Quantum CosmologyFunctional AnalysisHigh Energy Physics - Theorytext