Singular vector
= Singular vector
{wiki=Highest-weight_representation#Verma_modules}
A singular vector is a nonzero <weight vector> annihilated by the positive nilpotent subalgebra $\mathfrak n^+$.
= Singular vector
{wiki=Highest-weight_representation#Verma_modules}
A singular vector is a nonzero <weight vector> annihilated by the positive nilpotent subalgebra $\mathfrak n^+$.