2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/195010We show that P(phi)_2 quantum field theories satisfy axioms of the type advocated by Graeme Segal.final version; to appear in Comm. Math. PhysMathematical PhysicsP(phi)_2 quantum field theories and Segal's axiomstext