2000/11/03 by Christian Krattenthaler, Luigi Orsina, Paolo Papi
Mathematics · #math.RA #math.CO #msc:17B20 #msc:05A15 #msc:05A19 #msc:05E15 #msc:17B30
published as Adv. Appl. Math. 28 (2002), 478-522. · 43 pages, AmS-TeX
arxiv created 2000/11/03 · arxiv updated 2009/11/30
We provide explicit formulas for the number of ad-nilpotent ideals of a Borel subalgebra of a complex simple Lie algebra having fixed class of nilpotence.