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20072009
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.RT2007

Ad-Nilpotent Ideals of a Parabolic Subalgebra

Céline Righi

We extend the results of Cellini-Papi on the characterizations of nilpotent and abelian ideals of a Borel subalgebra to parabolic subalgebras of a simple Lie algebra. These charact…