2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125409In this article, we construct the first example of a simply connected minimal symplectic 4-manifold homeomorphic but not diffeomorphic to 3CP^2#7CP^2b. We also construct the first exotic symplectic structure on CP^2#5CP^2b.10 pages, 1 figureGeometric Topologytext