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math.GT2019
Cyclic Branched Coverings of Brieskorn Spheres Bounding Acyclic 4-Manifolds
Nima Anvari, Ian Hambleton
We show that standard cyclic actions on Brieskorn homology 3-spheres with non-empty fixed set do not extend smoothly to any contractible smooth 4-manifold it may bound. The quotien…
math.GT2019★ 2 cited
A Splitting Formula in Instanton Floer Homology
Nima Anvari
In a recent paper, Lin, Ruberman and Saveliev proved a splitting formula expressing the Seiberg-Witten invariant of a smooth -manifold with rational homology of $S^1…