Constraints on the automorphism group of a curve
Number Theory
2016-02-22 v2
Abstract
For a curve of genus defined over a finite field, we present a criterion which allows us to state the non existence of automorphisms of order a power of a rational prime. We show how this criterion can be used to determine the automorphism group of some modular curves of high genus.
Cite
@article{arxiv.1503.05691,
title = {Constraints on the automorphism group of a curve},
author = {Josep González},
journal= {arXiv preprint arXiv:1503.05691},
year = {2016}
}