Surgery on nullhomologous tori and simply connected 4-manifolds with b+=1
Ronald Fintushel, Ronald J. Stern
Abstract
For 5 <= k <= 8 we show that the infinite family of exotic smooth structures on CP2# k(-CP2) can be achieved by 1/n - surgeries on a single embedded nullhomologous torus in a manifold Rk which is homeomorphic to CP2# k(-CP2).
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