2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/16960We show how to build up a systematic bosonic field-theory for a general reaction-diffusion process involving hard-core particles in arbitrary dimension. We criticize a recent approach proposed by Park, Kim and Park (Phys. Rev. E 62 (2000)). As a testbench for our method, we show how to recover the equivalence between asymmetric diffusion of excluding particles and the noisy Burgers equation.10 pages. to appear in Phys. Rev. EStatistical Mechanicstext