2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60950The main result of this paper is the following: let d be a natural number >= 3; the line bundle O(1,...,1) on the product of d copies of the projective line P^1 satisfies Property N_p of Green-Lazarsfeld if and only if p <= 3.Latex2e; 10 pages with 1 figureAlgebraic Geometry14M25text