2 papers
math.GR2025
Arithmétique des sous-groupes de Bruhat-Tits sur un anneau de valuation discrète hensélien
Anis Zidani
The goal of this paper is to refine some aspects of the cohomological study of Bruhat-Tits subgroups. It aims to complement the work done in the 1987 article. As an application, we…
math.AG2025
Arithmétique des schémas en groupes de Bruhat-Tits sur un anneau de Dedekind semi-local
Anis Zidani
The aim of this paper is to lay the foundations for the cohomological study of Bruhat-Tits group schemes over a semi-local Dedekind ring. In particular, we obtain a simplified proo…