Toric-friendly groups

Mikhail Borovoi and Zinovy Reichstein
Arxiv ID: 1003.5894Last updated: 1/5/2021
Let G be a connected linear algebraic group over a field k. We say that G is toric-friendly if for any field extension K/k and any maximal K-torus T in G the group G(K) has only one orbit in (G/T)(K). Our main result is a classification of semisimple (and under certain assumptions on k, of connected) toric-friendly groups.

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