English

Tamagawa numbers of quasi-split groups over function fields

Number Theory 2025-08-13 v1 Group Theory

Abstract

We use Morris' theory of Eisenstein series for reductive groups over global function fields in order to extend Harder's computation of Tamagawa numbers to quasi-split groups.

Cite

@article{arxiv.2309.10076,
  title  = {Tamagawa numbers of quasi-split groups over function fields},
  author = {Ralf Köhl and M. M. Radhika and Ankit Rai},
  journal= {arXiv preprint arXiv:2309.10076},
  year   = {2025}
}
R2 v1 2026-06-28T12:25:19.609Z