TY - JOUR AU - Haiman, Mark TI - Hilbert schemes, polygraphs and the Macdonald positivity conjecture JO - Journal of the American Mathematical Society PY - 2001 SP - 941 EP - 1006 VL - 14 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-01-00373-3/ DO - 10.1090/S0894-0347-01-00373-3 ID - 10_1090_S0894_0347_01_00373_3 ER -