Exotic smooth structures on $CP^2#5{\bar CP^2}$

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/73553Motivated by a construction of Fintushel and Stern, we show that the topological 4--manifold $CP^2#5{\bar CP^2}$ supports infinitely many distinct smooth structures.14 pages, 4 figures; details of computation of Seiberg-Witten invariants is addedGeometric TopologySymplectic Geometry53D05,14J26;57R55,57R57Exotic smooth structures on $CP^2#5{\bar CP^2}$text