2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144141In this paper we study smooth, non-special scrolls S of degree d, genus g, with general moduli. In particular, we study the scheme of unisecant curves of a given degree on S. Our approach is mostly based on degeneration techniques.24 pages, Latex2e, Submitted preprintAlgebraic Geometry14J26, 14D06, 14C20 (Primary); 14H60, 14N10 (Secondary)text