Reducible smooth structures on 4-manifolds with zero signature

DOI10.1112/jtopol/jtt043zbMath1310.57042OpenAlexW2020795286MaRDI QIDQ2921091

B. Doug Park, Anar Akhmedov, Masashi Ishida

Publication date: 30 September 2014

Published in: Journal of Topology (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/jtopol/jtt043

zbMATH Keywords

symplectic manifolds4-manifoldspositive scalar curvatureexotic smooth structuresreducible manifoldssignature zerostable cohomotopy refinement of the Seiberg-Witten invariant

Mathematics Subject Classification ID

Applications of global analysis to structures on manifolds (57R57) Differentiable structures in differential topology (57R55)

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Cataloguing PL 4-manifolds by gem-complexity ⋮ Geometrically simply connected 4-manifolds and stable cohomotopy Seiberg-Witten invariants

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