TY - JOUR AU - C. Righi AU - R. 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 - https://jolt.centre-mersenne.org/articles/10.5802/jolt.586/ DO - 10.5802/jolt.586 ID - JOLT_2010_20_1_a4 ER -