%0 Journal Article %A H. Abels %A E. B. Vinberg %T On Free Two-Step Nilpotent Lie Semigroups and Inequalities between Random Variables %J Journal of Lie Theory %D 2019 %P 79-87 %V 29 %N 1 %U http://geodesic.mathdoc.fr/item/JOLT_2019_29_1_a1/ %F JOLT_2019_29_1_a1