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A symplectic manifold homeomorphic but not diffeomorphic to CP2#3CP2

Scott Baldridge and Paul A Kirk

Geometry & Topology 12 (2008) 919–940

DOI: 10.2140/gt.2008.12.919
Abstract

In this article we construct a minimal symplectic 4–manifold and prove it is homeomorphic but not diffeomorphic to CP2 # 3CP2.

Keywords

symplectic topology, Luttinger surgery, fundamental group, 4-manifold
Mathematical Subject Classification

Primary: 57R17

Secondary: 54D05, 57M05
References
Publication

Received: 16 January 2008
Accepted: 13 February 2008
Published: 12 May 2008
Proposed: John Morgan
Seconded: Ron Fintushel, Ron Stern
Authors
Scott Baldridge
Department of Mathematics
Louisiana State University
Baton Rouge, LA 70817
Paul A Kirk
Department of Mathematics
Indiana University
Bloomington, IN 47405