2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60560We prove that, for any n, there are simply-connected four-manifolds which admit n-tuples of symplectic forms whose first Chern classes have pairwise different divisibilities in integral cohomology. It follows that the moduli space of symplectic forms modulo diffeomorphisms on such a manifold has at least n connected components.11 pages. One reference (footnote, p.2) added to published versionSymplectic GeometryAlgebraic Geometry53D05;53D35text