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math.AG2004★ 1 cited
An extension of Rais' theorem and seaweed subalgebras of simple Lie algebras
Dmitri I. Panyushev
Let $\g$ be a simple Lie algebra of type A or C. We show that the coadjoint representation of any seaweed subalgebra of $\g$ has some properties similar to that of the adjoint repr…
math.RT2004
Normalizers of ad-nilpotent ideals
Dmitri I. Panyushev
Let $\be$ be a Borel subalgebra of a complex simple Lie algebra $\g$. An ideal of $\be$ is called ad-nilpotent, if it is contained in $[\be,\be]$. We give several descriptions of t…