If G is a noncompact simple (real) Lie group with trivial center and Q is a parabolic subgroup of G, is there a "nice" description of the normal subgroups of Q?
In particular, is there any "nice" condition on G that will ensure that Q is simple?
2026-03-26 20:44:32.1774557872
Normal Subgroups of Parabolic Groups in Simple Lie Groups
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