2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44135This talk outlines some results for gravitational theories with local Lorentz violation in the context of the Lorentz- and CPT-violating Standard-Model Extension.9 pages, presented at the Third Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, August 2004High Energy Physics - Phenomenologytext