Rational blow-down along Wahl type plumbing trees of spheres
Maria Michalogiorgaki
math.GTarXiv:math/0607608
Abstract
We construct smooth 4-manifolds homeomorphic but not diffeomorphic to CP2#kCP2,k ∈ 6,7,8,9, using the technique of rational blow-down along Wahl type plumbing trees of spheres.
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