2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149798A generalization of the formula of Fine and Rao for the ranks of the intersection homology groups of a complex algebraic variety is given. The proof uses geometric properties of intersection homology and mixed Hodge theory.6 pages, LatexAlgebraic GeometryIntersection homology Betti numberstext