Josef G Dorfmeister

  1. Relative Ruan and Gromov-Taubes Invariants of Symplectic 4-Manifolds.

    Authors: Tian-Jun Li, Josef G Dorfmeister
    Subjects: Symplectic Geometry
    Abstract

    We define relative Ruan invariants that count embedded connected symplectic
    submanifolds which contact a fixed stable symplectic hypersurface V in a
    symplectic 4-manifold (X,w) at prescribed points with prescribed contact orders
    (in addition to insertions on X\V) for stable V. We obtain invariants of the
    deformation class of (X,V,w). Two large issues must be tackled to define such
    invariants: (1) Curves lying in the hypersurface V and (2) genericity results
    for almost complex structures constrained to make V pseudo-holomorphic (or
    almost complex).

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