Rational 2-functions are abelian
Number Theory
2021-03-10 v2
Abstract
We show that the coefficients of rational 2-functions are contained in an abelian number field. More precisely, we show that the poles of such functions are poles of order one and given by roots of unity and rational residue.
Cite
@article{arxiv.2006.06388,
title = {Rational 2-functions are abelian},
author = {Felipe Müller},
journal= {arXiv preprint arXiv:2006.06388},
year = {2021}
}