Abstract
Let V be a smooth, projective, convex variety. We define tautological ψ and κ classes on the moduli space of stable maps \( {{\bar{\mathcal{M}}}_{{0,n}}}\left( V \right) \) , give a (graphical) presentation for these classes in terms of boundary strata, derive differential equations for the generating functions of the Gromov-Witten invariants of V twisted by these tautological classes, and prove that these intersection numbers are completely determined by the Gromov-Witten invariants of V. This results in families of genus zero cohomological field theory structures on the cohomology ring of V which includes the quantum cohomology as a special case.
Research of the first author was partially supported by NSF grant number DMS-9803553
Research of the second author was partially supported by NSF grant number DMS-9803427
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Kabanov, A., Kimura, T. (2001). Intersection Numbers on the Moduli Spaces of Stable Maps in Genus 0. In: Maeda, Y., Moriyoshi, H., Omori, H., Sternheimer, D., Tate, T., Watamura, S. (eds) Noncommutative Differential Geometry and Its Applications to Physics. Mathematical Physics Studies, vol 23. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0704-7_5
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