%0 Journal Article %A Dmitri I. Panyushev %T Combinatorial and Geometric Constructions Associated with the Kostant Cascade %J Journal of Lie Theory %D 2023 %P 497-526 %V 33 %N 2 %U http://geodesic.mathdoc.fr/item/JOLT_2023_33_2_a2/ %F JOLT_2023_33_2_a2