Recognition: unknown
Twisted root system of a (*)-subgroup
classification
🧮 math.GR
math.RT
keywords
rootsystemtwistedpropertiessmallstructuresubgroupsubgroups
read the original abstract
We classify (*)-subgroups of compact Lie groups of adjoint type, and associate a twisted root system to every (*)-subgroup. We study the structure of twisted root system in several aspects: properties of the small Weyl group W_{small} and its normal subgroups W_{tiny} and W_{f}; properties of finite root datum; structure of strips of infinite roots.
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