Kala, Vítězslav

Melistas, Mentzelos

English

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

University of Twente Research Information

Universal quadratic forms and Dedekind zeta functions

https://ris.utwente.nl/ws/files/329231157/2311.12911v1.pdf

Universal quadratic forms and Dedekind zeta functions

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University of Twente Research Information