Exotic smooth structures on small 4-manifolds

Anar Akhmedov, B. Doug Park

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Let M be either ℂℙ2#3ℂℙ̄2 or 3ℂℙ2#5ℂℙ̄2. We construct the first example of a simply-connected irreducible symplectic 4-manifold that is homeomorphic but not diffeomorphic to M.

Original languageEnglish (US)
Pages (from-to)209-223
Number of pages15
JournalInventiones Mathematicae
Issue number1
StatePublished - Jul 2008

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