Degenerations of surface scrolls and the Gromov-Witten invariants of Grassmannians

Abstract

We 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 figures

References in corpus (1)

• Degenerations of Del Pezzo surfaces and the Gromov-Witten invariants of the Hilbert Scheme of conics