A symplectic manifold homeomorphic but not diffeomorphic to CP^2 # 3(-CP^2)

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123577In this paper we construct a minimal symplectic 4-manifold and prove it is homeomorphic but not diffeomorphic to CP^2 # 3(-CP^2)20 pagesGeometric TopologySymplectic Geometry57R17; 57M05; 54D05A symplectic manifold homeomorphic but not diffeomorphic to CP^2 # 3(-CP^2)text