Universal quadratic forms and Dedekind zeta functions

Vítězslav Kala, Mentzelos Melistas

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

We study universal quadratic forms over totally real number fields using Dedekind zeta functions. In particular, we prove an explicit upper bound for the rank of universal quadratic forms over a given number field $K$, under the assumption that the codifferent of $K$ is generated by a totally positive element. Motivated by a possible path to remove that assumption, we also investigate the smallest number of generators for the positive part of ideals in totally real numbers fields.
Original languageEnglish
JournalInternational Journal of Number Theory
Publication statusAccepted/In press - 11 Feb 2024

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