2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71892We describe an algorithm for computing certain characteristic numbers of surface scrolls using degenerations. As a corollary we obtain a method for computing the corresponding Gromov-Witten invariants of Grassmannians.40 pages, 6 figuresAlgebraic Geometry14N15; 14N25; 14N35Degenerations of surface scrolls and the Gromov-Witten invariants of Grassmannianstext