Reducible smooth structures on 4-manifolds with zero signature

Anar Akhmedov; Masashi Ishida; B. Doug Park

doi:10.1112/jtopol/jtt043

Reducible smooth structures on 4-manifolds with zero signature

Anar Akhmedov, Masashi Ishida, B. Doug Park

Mathematics

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

For every large enough integer k that is not divisible by 4, we construct infinite families of mutually non-diffeomorphic reducible smooth structures on the topological 4-manifolds 2k(S² × S²) and 2k(ℂℙ²#ℂℙ²), the connected sums of 2k copies of S² × S² and ℂℙ²#ℂℙ ².

Original language	English (US)
Article number	jtt043
Pages (from-to)	607-616
Number of pages	10
Journal	Journal of Topology
Volume	7
Issue number	3
DOIs	https://doi.org/10.1112/jtopol/jtt043
State	Published - Sep 2014

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title = "Reducible smooth structures on 4-manifolds with zero signature",

abstract = "For every large enough integer k that is not divisible by 4, we construct infinite families of mutually non-diffeomorphic reducible smooth structures on the topological 4-manifolds 2k(S2 × S2) and 2k(ℂℙ2#ℂℙ2), the connected sums of 2k copies of S2 × S2 and ℂℙ2#ℂℙ 2.",

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Reducible smooth structures on 4-manifolds with zero signature

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