2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60802We present several approaches to equivariant intersection cohomology. We show that for a complete algebraic variety acted by a connected algebraic group $G$ it is a free module over $H^*(BG)$. The result follows from the decomposition theorem or from a weight argument.6 pages, AMS-TeX, paper reorganized, some new remarksAlgebraic Geometrytext