Aros, R.2021-05-282021-05-282003-04Journal of High Energy Physics, Volume 7, Issue 4, 1 April 2003, Pages 517-5251029-8479http://repositorio.unab.cl/xmlui/handle/ria/18983Indexación: Scopus.In this work the algebra of charges of diffeomorphisms at the horizon of generic black holes is analyzed within first order gravity. This algebra reproduces the algebra of diffeomorphisms at the horizon, (Diff (S 1)), without a central extension.enBlack HolesEvent HorizonSupergravityThe horizon and its charges in the first order gravityArtÃculoDOI: 10.1088/1126-6708/2003/04/024