Number fields without universal quadratic forms of small rank exist in most degrees
Vítězslav Kala
Abstract
Abstract We prove that in each degree divisible by 2 or 3, there are infinitely many totally real number fields that require universal quadratic forms to have arbitrarily large rank.
Topics & Concepts
Rank (graph theory)Quadratic equationMathematicsDegree (music)Pure mathematicsCombinatoricsPhysicsGeometryAcousticsAnalytic Number Theory ResearchAlgebraic Geometry and Number TheoryLimits and Structures in Graph Theory