2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/211233In this paper, we use gauge embedding procedure and master action approach to establish the equivalence between the self-dual and Maxwell-Chern-Simons models with Lorentz symmetry breaking. As a result, new kinds of Lorentz-breaking terms arise.14 pages, minor corrections, version accepted to Physical Review DHigh Energy Physics - Theorytext