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Intersection theory on the moduli space of holomorphic curves with Lagrangian boundary conditions

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arxiv math/0606429 v1 pith:EOP32BS7 submitted 2006-06-18 math.SG math.AG

classification math.SGmath.AG
keywords curvesgenuslagrangianboundaryintersectioninvariantinvariantsmoduli
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We define a new family of open Gromov-Witten type invariants based on intersection theory on the moduli space of pseudoholomorphic curves of arbitrary genus with boundary in a Lagrangian submanifold. We assume the Lagrangian submanifold arises as the fixed points of an anti-symplectic involution and has dimension 2 or 3. In the strongly semi-positive genus 0 case, the new invariants coincide with Welschinger's invariant counts of real pseudoholomorphic curves. Furthermore, we calculate the new invariant for the real quintic threefold in genus 0 and degree 1 to be 30.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Welschinger--Witt invariants

    math.AG 2025-09 conditional novelty 8.0 of 10

    This paper builds Welschinger-Witt invariants and proves they match quadratic Gromov-Witten invariants for k-rational del Pezzo surfaces of degree at least 6, conjecturing agreement in general.

  2. BPS polynomials and Welschinger invariants

    math.AG 2025-06 conditional novelty 7.0 of 10

    The new BPS polynomials of surfaces specialize at q=-1 to Welschinger invariants for blowups of the projective plane at up to six points.

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