2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63651We study the projective normality of a linearly normal special scroll R of degree d and speciality i over a smooth curve of genus g. If d>=4g-2i+1, we prove that the projective normality of the scroll is equivalent to the projective normality of its directrix curve of minimum degree.Latex2.09; 9 pagesAlgebraic GeometryPrimary, 14J26; Secondary, 14H25, 14H45text