2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66326We examine how the Seshadri constant of an ample line bundle at a very general point of an algebraic surface can carry important global geometric information about the surface. In particular, we obtain a numerical criterion for when a surface admits a dominant map to an algebraic curve.10 pagesAlgebraic Geometrytext