2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/141436We study lower bounds on Seshadri constants at arbitrary points on surfaces with Picard number 1.8 pages, to appear in J. AlgebraAlgebraic Geometry14C20An effective and sharp lower bound on Seshadri constants on surfaces with Picard number 1text