On the rational Picard group of the moduli space of curves
Algebraic Geometry
2010-12-23 v1
Abstract
We speculate about an algebro-geometric proof of Harer's theorem on the rational Picard group of the moduli space of smooth complex curves. In particular, we refine the approach of Diaz and Edidin involving the Hurwitz space which parameterizes smooth covers of the projective line.
Keywords
Cite
@article{arxiv.1012.4991,
title = {On the rational Picard group of the moduli space of curves},
author = {Claudio Fontanari},
journal= {arXiv preprint arXiv:1012.4991},
year = {2010}
}