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most citedNumber of "udu" of a Dyck path and ad-nilpotent ideals of parabolic subalgebras of sl_{l+1}(C)

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math.RT2008★ 1 cited

Enumeration of ad-nilpotent ideals of parabolic subalgebras for exceptional types

Celine Righi

Using GAP4, we determine the number of ad-nilpotent and abelian ideals of a parabolic subalgebra of a simple Lie algebra of exceptional types E, F or G.