The Picard group of $M_{1,1}$
Algebraic Geometry
2007-05-23 v1
Abstract
We compute the Picard group of the moduli stack of elliptic curves and its canonical compactification over general base schemes.
Cite
@article{arxiv.0704.2214,
title = {The Picard group of $M_{1,1}$},
author = {William Fulton and Martin Olsson},
journal= {arXiv preprint arXiv:0704.2214},
year = {2007}
}
Comments
14 pages