2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78052The purpose of this paper is to investigate the following problem: For a fixed 2-dimensional homology class K in a simply connected symplectic 4-manifold, up to smooth isotopy, how many connected smoothly embedded symplectic submanifolds represent K? We show that when K can be represented by a symplectic torus, there are many instances when K can be representated by infinitely many non-isotopic symplectic tori.16 pages; this corrected version will appear in the Journal of Differential GeometrySymplectic GeometryDifferential Geometry57R40text