Finite group actions on reductive groups and buildings and tamely-ramified descent in Bruhat-Tits theory

DOI10.1353/AJM.2020.0027arXiv1705.02906MaRDI QIDQ6286407

Publication date: 8 May 2017

Abstract: The purpose of the paper is to give a new approach to tamely-ramified descent in Bruhat-Tits theory. This descent was first studied by Guy Rousseau in his thesis.

Mathematics Subject Classification ID

Linear algebraic groups over arbitrary fields (20G15) Representation theory for linear algebraic groups (20G05) Galois cohomology (11S25) Groups with a (BN)-pair; buildings (20E42) Group schemes (14L15)

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