We define the notion of loop reductive group schemes defined over the localization of a regular henselian ring A at a strict normal crossing divisor D. We provide a criterion for the existence of parabolic subgroups of a given type.
No takes yet. Share an insight, caveat, or question.
Philippe Gille (2024) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: