%0 Journal Article %A Derksen, Harm %A Weyman, Jerzy %T Semi-invariants of quivers and saturation for Littlewood-Richardson coefficients %J Journal of the American Mathematical Society %D 2000 %P 467-479 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-00-00331-3/ %R 10.1090/S0894-0347-00-00331-3 %F 10_1090_S0894_0347_00_00331_3