Stratification of Hurwitz Spaces by Closed Modular Subvarieties
Langue
en
Article de revue
Ce document a été publié dans
Quarterly journal of pure and applied mathematics. 2009, vol. à paraître, p. Serre issue
Résumé en anglais
In this paper we explain how an arithmetical invariant for G- cover - we call the base invariant - provides a stratification of Hurwitz moduli spaces of G-covers of the pro jective line by closed subvarieties. This strati- ...Lire la suite >