On the tautological ring of Mg.
Abstract
We prove among other things that any product of tautological classes of $\M_g$ of degree $d$ (in the Chow ring of $\M _g$ with rational coefficients) vanishes for $d>g-2$ and is proportional to the class of the hyperelliptic locus in degree $g-2$.
- Publication:
-
Inventiones Mathematicae
- Pub Date:
- December 1995
- DOI:
- 10.1007/BF01884306
- arXiv:
- arXiv:alg-geom/9501010
- Bibcode:
- 1995InMat.121..411L
- Keywords:
-
- Mathematics - Algebraic Geometry
- E-Print:
- 6 pages, amstex 2.1