English

On a "Wonderful" Bruhat-Tits group scheme

Representation Theory 2021-06-25 v2 Algebraic Geometry

Abstract

In this note we make a universal construction of Bruhat-Tits group scheme on wonderful embeddings of adjoint groups in the absolute and relative settings and of adjoint Kac-Moody groups. These have natural classifying properties reflecting the orbit structure on the wonderful embeddings.

Keywords

Cite

@article{arxiv.2101.09212,
  title  = {On a "Wonderful" Bruhat-Tits group scheme},
  author = {V. Balaji and Y. Pandey},
  journal= {arXiv preprint arXiv:2101.09212},
  year   = {2021}
}

Comments

In the revised version, most of Section 3 is rewritten for accuracy. The main Theorems remain the same

R2 v1 2026-06-23T22:25:52.140Z