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Tautological ring
In algebraic geometry, the tautological ring is (roughly) the subring of the Chow ring of the moduli space of curves generated by tautological classes.
See also
ELSV formula
Hodge bundle
Witten's conjecture
References
Vakil, Ravi (2003), "The moduli space of curves and its tautological ring" (PDF), Notices of the American Mathematical Society 50 (6): 647–658, MR 1988577
Graber, Tom; Vakil, Ravi (2001), "On the tautological ring of \( \overline{\mathcal{M}}_{g,n} \)" (PDF), Turkish Journal of Mathematics 25 (1): 237–243, MR 1829089
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