Boundary-sum irreducible finite order corks

Abstract

We prove for any positive integer $n$ there exist boundary-sum irreducible ${\mathbb{Z}}_n$-corks with Stein structure. Here `boundary-sum irreducible' means the manifold is indecomposable with respect to boundary-sum. We also verify that some of the finite order corks admit hyperbolic boundary by HIKMOT.

11 pages, 7 figures

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