Surgery on nullhomologous tori and simply connected 4-manifolds with b^+=1

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/120959For 5 <= k <= 8 we show that the infinite family of exotic smooth structures on CP^2# k(-CP^2) can be achieved by 1/n - surgeries on a single embedded nullhomologous torus in a manifold R_k which is homeomorphic to CP^2# k(-CP^2).16 pages, 9 figuresGeometric TopologySymplectic Geometry57R55; 57R57Surgery on nullhomologous tori and simply connected 4-manifolds with b^+=1text