Surgery on Nullhomologous Tori
classification
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math.AGmath.SG
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nullhomologoussmoothstructuresurgerychangeembeddedexamplehence
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By studying the example of smooth structures on CP^2#3(-CP^2) we illustrate how surgery on a single embedded nullhomologous torus can be utilized to change the symplectic structure, the Seiberg-Witten invariant, and hence the smooth structure on a 4-manifold.
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