Geodesic
Symmetries of the Poset of Abelian Ideals in a Borel Subalgebra
Journal of Lie theory, Tome 24 (2014) no. 1, pp. 199-224.

Voir la notice de l'article provenant de la source Heldermann Verlag

Elaborating on a paper of Suter, we provide a detailed description of the automorphism group of the poset of abelian ideals in a Borel subalgebra of a finite dimensional complex simple Lie algebra.
Classification : 17B20, 17B40
Mots-clés : Abelian ideals of Borel subalgebras, automorphisms, Hasse graphs 
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     title = {Symmetries of the {Poset} of {Abelian} {Ideals} in a {Borel} {Subalgebra}},
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P. Cellini; P. M�seneder Frajria; P. Papi . Symmetries of the Poset of Abelian Ideals in a Borel Subalgebra. Journal of Lie theory, Tome 24 (2014) no. 1, pp. 199-224. http://geodesic.mathdoc.fr/item/JLT_2014_24_1_JLT_2014_24_1_a9/