Equation Icon  ∑n ∑ n μ L ∗v := − Aμ(t,x)-∂v- − H (t,x)−1 ∂-[H-(t,x)A--(t,x-)]v + H (t,x)− 1B (t,x)∗H (t,x)v.(5.121 ) μ=0 ∂x μ μ=0 ∂x μ