2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63723We observe that the oriented homeomorphism type of a simply- connected smooth projective surface is determined by its algebraic structure modulo an odd prime of good reduction.Erroneous assertion about `varieties' changed to correct one about `surfaces'Algebraic GeometryAlgebraic Topology14G40text