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Abelian branched covers of rational surfaces

  • Robert Harris , Amey Joshi , B. Doug Park EMAIL logo and Mainak Poddar
From the journal Advances in Geometry

Abstract

We study abelian covers of rational surfaces branched over line arrangements. We use these covers to address the geography problem for closed simply connected nonspin irreducible symplectic 4-manifolds with positive signature.

MSC 2010: 14E20; 14N20; 53D35; 57R55

Funding statement: The third author was partially supported by a Discovery Grant from the NSERC of Canada. The research of the fourth author was supported in part by a SERB MATRICS Grant: MTR/2019/001613.

Acknowledgements

The authors thank Krishna Hanumanthu for helpful email correspondence.

  1. Communicated by: P. Eberlein

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Received: 2022-10-27
Revised: 2023-03-07
Published Online: 2023-07-13
Published in Print: 2023-08-28

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