Lowering operator
= Lowering operator
{wiki=Ladder_operator}
A lowering operator is a negative-root vector. Acting on a weight vector of weight $\mu$ either gives zero or a weight vector of weight $\mu-\alpha$.
= Lowering operator
{wiki=Ladder_operator}
A lowering operator is a negative-root vector. Acting on a weight vector of weight $\mu$ either gives zero or a weight vector of weight $\mu-\alpha$.