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Wide Regular Subalgebras of Symmetrizable Kac-Moody Algebras and an Extension of Schur's Lemma

Douglas, Andrew et al.
arXiv (All) · Papers
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17b1017b67representation-theory
The behavior of representations under restriction is a central theme in Lie theory. We study wide regular subalgebras of symmetrizable Kac--Moody algebras, extending work of Douglas and Repka on semisimple Lie algebras. A subalgebra is \emph{wide} if every irreducible integrable highest weight modul
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