Real quadratic fields with a universal form of given rank have density zero

arXiv2302.12080MaRDI QIDQ6427420

Vítězslav Kala, Błażej Żmija, Pavlo Yatsyna

Publication date: 23 February 2023

Mathematics Subject Classification ID

Quadratic extensions (11R11) General ternary and quaternary quadratic forms; forms of more than two variables (11E20) Quadratic forms over global rings and fields (11E12) Continued fractions (11A55) Quadratic forms (reduction theory, extreme forms, etc.) (11H55) Totally real fields (11R80)

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