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4-manifolds and intersection forms with local coefficients

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  • Kim Anders Frøyshov, Denmark
We extend Donaldson's diagonalization theorem to intersection forms with certain local coefficients, under some constraints. This provides new examples of non-smoothable topological 4-manifolds.
Original languageEnglish
JournalJournal of Differential Geometry
Volume91
Issue2
Pages (from-to)233-259
Number of pages27
ISSN0022-040X
Publication statusPublished - 2012

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