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math.GT2008★ 1 cited
Small exotic Stein manifolds
Selman Akbulut, Kouichi Yasui
It is known that the only Stein filling of the standard contact structure on S^3 is B^4. In this paper, we construct simply connected exotic compact Stein 4-manifold pairs for any…
math.GT2008★ 65 cited
Corks, Plugs and exotic structures
Selman Akbulut, Kouichi Yasui
We discuss corks, and introduce new objects which we call plugs. Though plugs are fundamentally different objects, they also detect exotic smooth structures in 4-manifolds like cor…