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math.RT2021
On structure of graded restricted simple Lie algebras of Cartan type as modules over the Witt algebra
Ke Ou, Yu-Feng Yao
Any graded restricted simple Lie algebra of Cartan type contains a subalgebra isomorphic to the Witt algebra over a field of prime characteristic. As some analogue of study on bran…
math.RT2021★ 1 cited
On Chevalley restriction theorem for semi-reductive algebraic groups and its applications
Ke Ou, Bin Shu, Yu-Feng Yao
An algebraic group is called semi-reductive if it is a semi-direct product of a reductive subgroup and the unipotent radical. Such a semi-reductive algebraic group naturally arises…