Equation Icon  ∗ −2 ∗ ∗ ∂la = V0 m a = (1 + ∂W )m a, ∂l∗a = m ∗a + ∂W m ∗a, ∗ ∗ ∗ ∂la = m a + ∂ (W m a), ∂l∗a = Tba∂ˆlb + Tba∂(W ˆmb), ∗ b ˆ ∂la = Ta∂(lb + W ˆmb ),