Minimal S-universality criteria may vary in size
Number Theory
2011-02-01 v1
Abstract
In this note, we give simple examples of sets S of quadratic forms that have minimal S-universality criteria of multiple cardinalities. This answers a question of Kim, Kim, and Oh in the negative.
Cite
@article{arxiv.1101.5662,
title = {Minimal S-universality criteria may vary in size},
author = {Noam D. Elkies and Daniel M. Kane and Scott D. Kominers},
journal= {arXiv preprint arXiv:1101.5662},
year = {2011}
}
Comments
5 pages