%0 Journal Article %A Buch, Anders %T Alternating signs of quiver coefficients %J Journal of the American Mathematical Society %D 2005 %P 217-237 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-04-00473-4/ %R 10.1090/S0894-0347-04-00473-4 %F 10_1090_S0894_0347_04_00473_4