Two refined notions in quadratic form theory

2024/01/29 by Connor Cassady, Cassady, Connor
Mathematics · #Mathematics and Applications #History and Theory of Mathematics

paper · pdf · doi:10.48550/arxiv.2401.16602

Abstract

We use the Witt index to define and study a refined notion of the local-global principle for isotropy of quadratic forms over a field k and to define and study refined versions of the m-invariant of k. We also explore connections between these refinements.

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