Stacks of trigonal curves
Algebraic Geometry
2010-04-19 v4
Abstract
In this paper we give a presentation of the stack of trigonal curves as a quotient stack, and we compute its Picard group.
Cite
@article{arxiv.0903.0965,
title = {Stacks of trigonal curves},
author = {Michele Bolognesi and Angelo Vistoli},
journal= {arXiv preprint arXiv:0903.0965},
year = {2010}
}
Comments
Corrected typos, added references and improved the exposition, following the suggestions of the referees. To appear in Transactions of the American Mathematical Society"