2 papers
math.AG2020
Théorie de Bruhat-Tits pour les groupes quasi-réductifs
João Lourenço
We extend (scheme-theoretic) Bruhat-Tits theory to quasi-reductive groups i.e. with trivial split unipotent radical over discretely valued henselian non-archimedean fields , who…
math.AG2019
Grassmanniennes affines tordues sur les entiers
João Lourenço
We extend the work of Pappas-Rapoport-Zhu on twisted affine Grassmannians to wildly ramified, quasi-split, and residually split groups, assuming the maximal torus is induced. This…