TY - JOUR AU - Céline Righi AU - Rupert W. T. Yu TI - On the Index of the Quotient of a Borel Subalgebra by an ad-Nilpotent Ideal JO - Journal of Lie Theory PY - 2010 SP - 49 EP - 63 VL - 20 IS - 1 UR - http://geodesic.mathdoc.fr/item/JOLT_2010_20_1_a4/ ID - JOLT_2010_20_1_a4 ER -