2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39138The properties of several phase transitions relevant to the lattice study of Quantum Field Theory are investigated.PhD. thesis, 155 pages, LateX2e, 61 postscript figures includedHigh Energy Physics - LatticeLattice study of Weak First Order Phase Transitions in D=4text