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Seiberg–Witten invariants and surface singularities

András Némethi and Liviu I Nicolaescu

Geometry & Topology 6 (2002) 269–328

arXiv: math.AG/0111298


We formulate a very general conjecture relating the analytical invariants of a normal surface singularity to the Seiberg–Witten invariants of its link provided that the link is a rational homology sphere. As supporting evidence, we establish its validity for a large class of singularities: some rational and minimally elliptic (including the cyclic quotient and “polygonal”) singularities, and Brieskorn–Hamm complete intersections. Some of the verifications are based on a result which describes (in terms of the plumbing graph) the Reidemeister–Turaev sign refined torsion (or, equivalently, the Seiberg–Witten invariant) of a rational homology 3–manifold M, provided that M is given by a negative definite plumbing. These results extend previous work of Artin, Laufer and S S-T Yau, respectively of Fintushel–Stern and Neumann–Wahl.

(links of) surface singularities, ($\mathbb{Q}$–)Gorenstein singularities, rational singularities, Brieskorn–Hamm complete intersections, geometric genus, Seiberg–Witten invariants of $\mathbb{Q}$–homology spheres, Reidemeister–Turaev torsion, Casson–Walker invariant
Mathematical Subject Classification 2000
Primary: 14B05, 14J17, 32S25, 57R57
Secondary: 57M27, 14E15, 32S55, 57M25
Forward citations
Received: 11 January 2002
Revised: 25 April 2002
Accepted: 17 May 2002
Published: 20 May 2002
Proposed: Walter Neumann
Seconded: Robion Kirby, Yasha Eliashberg
András Némethi
Department of Mathematics
Ohio State University
Ohio 43210
Liviu I Nicolaescu
Department of Mathematics
University of Notre Dame
Notre Dame
Indiana 46556