The symbol SPACE is used as notation for multiplication by scalars. The scalars are of type Number if the field is QQ, otherwise the scalars are of type RingElement.
i1 : L = lieAlgebra{a,b} o1 = L o1 : LieAlgebra |
i2 : d = lieDerivation{a a b,b b a} o2 = d o2 : LieDerivation |
i3 : describe(-2 d) o3 = a => 2 (a b a) b => - 2 (b b a) map => id_L sign => 0 weight => {2, 0} source => L target => L |