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math.AG2000
On the tautological ring of
T. Graber, R. Vakil
We prove that the dimension 0 part of the tautological ring of the moduli space of stable pointed curves is one-dimensional. This provides the first genus-free evidence for a conje…
math.AG2000
Hodge integrals and Hurwitz numbers via virtual localization
Tom Graber, Ravi Vakil
Ekedahl, Lando, Shapiro, and Vainshtein announced a remarkable formula expressing Hurwitz numbers (counting covers of the projective line with specified simple branch points, and s…