2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107737We construct a new family {K_n} of simply connected symplectic 4-manifolds with the property c_1^2(K_n)/chi(K_n) -> 9 (as n goes to infinity).8 pagesGeometric TopologySymplectic Geometry57R17, 57R57 (Primary) 53D35, 57N13 (Secondary)text