2 papers
math.NT2026
Köhler's Conjecture on Hecke Theta Series of Weight One
Mahima Kumar, Gabor Wiese
In this article, we prove a conjecture of Günter Köhler on the ambiguity of the quadratic field in the definition of Hecke theta series by deriving it from a similar statement on t…
math.NT2024
Correspondence theorems for infinite Hopf-Galois extensions
Hoan-Phung Bui, Joost Vercruysse, Gabor Wiese
This paper extends Hopf-Galois theory to infinite field extensions and provides a natural definition of subextensions. For separable (possibly infinite) Hopf-Galois extensions, it…