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Bordism of semi-free S1 actions

Dev P. Sinha

math.ATarXiv:math/0303100

Abstract

We calculate geometric and homotopical (or stable) bordism rings associated to semi-free S1 actions on complex manifolds, giving explicit generators for the geometric theory. The classification of semi-free actions with isolated fixed points up to cobordism complements similar results from symplectic geometry.

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