Pure and Applied Mathematics Quarterly
Volume 17 (2021)
Special Issue: In Honor of David Mumford
Guest Editors: Ching-Li Chai, Amnon Neeman
Cartan–Iwahori–Matsumoto decompositions for reductive groups
Pages: 593 – 604
We provide a short and self-contained argument for the existence of Cartan–Iwahori–Matsumoto decompositions for reductive groups.
reductive groups, geometric invariant theory
2010 Mathematics Subject Classification
Primary 14L24, 14L35. Secondary 13A50.
The first-named author was partially supported by NSF grant DMS-1801976.
The second-named author was partially supported by NSF grant DMS-1762669.
The third-named author was partially supported by Sonderforschungsbereich/Transregio 45 of the DFG.
Received 1 March 2019
Accepted 7 August 2019
Published 12 May 2021