2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/101331By a case-free approach we give a precise description of the closure of a Steinberg fiber within a twisted wonderful compactification of a simple linear algebraic group. In the non-twisted case this description was earlier obtained by the first author.12 pages, final versionAlgebraic GeometryRepresentation Theory14M17, 20G15text