2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/203813We investigate the occurrence of ambiguities for Lorentz-violating gravitational Chern-Simons term. It turns out that this term is accompanied by a coefficient depending on an undetermined parameter, due to an arbitrariness in the choice of the conserved current.9 pages, minor correctionsHigh Energy Physics - Theorytext