2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56035We perform a two-loop calculation in light-front phi^4 theory to determine the effective mass renormalization of the light-front Hamiltonian. The renormalization scheme adopted here is manifestly boost invariant, and yields results that are in perfect agreement with the explicitly covariant Feynman diagram approach.7 pages, 1 Figure. Revised Introduction and references addedHigh Energy Physics - Theorytext