The moduli space of curves and Gromov-Witten theory

Details The moduli space of curves and Gromov-Witten theory The moduli space of curves and Gromov-Witten theory

2006-02-16

arxiv.org/abs/math/0602347v2

Mathematics

Algebraic Geometry

54 pages, 12 figures; v2 has only small corrections

Scientific paper

The goal of this article is to motivate and describe how Gromov-Witten theory can and has provided tools to understand the moduli space of curves. For example, ideas and methods from Gromov-Witten theory have led to both conjectures and theorems showing that the tautological part of the cohomology ring has a remarkable and profound structure. As an illustration, we describe a new approach to Faber's intersection number conjecture via branched covers of the projective line (work with I.P. Goulden and D.M. Jackson, based on work with T. Graber). En route we review the work of a large number of mathematicians.

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