%0 Journal Article %A Athanasiadis, Christos A. %T Extended linial hyperplane arrangements for root systems and a conjecture of Postnikov and Stanley %J Journal of Algebraic Combinatorics %D 1999 %P 207-225 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_1999__10_3_a3/ %G en %F JAC_1999__10_3_a3