This is an option, which tells lieAlgebra to consider the last weight of a generator as the homological degree, if the option is given the value true. Default value is false.
i1 : describe lieAlgebra({a,b},Weights=>{{2,1},{3,2}}) o1 = generators => {a, b} Weights => {{2, 1, 0}, {3, 2, 0}} Signs => {0, 0} ideal => {} ambient => LieAlgebra{...10...} diff => {} Field => QQ computedDegree => 0 |
i2 : describe lieAlgebra({a,b},Weights=>{{2,1},{3,2}}, LastWeightHomological=>true) o2 = generators => {a, b} Weights => {{2, 1}, {3, 2}} Signs => {0, 0} ideal => {} ambient => LieAlgebra{...10...} diff => {} Field => QQ computedDegree => 0 |