Equation Icon  1 [ ( )𝒯] 𝒫(t) = -- ∂𝒱 (t) 𝒱(t)−1 + ∂𝒱 (t)𝒱 (t)−1 2 = ∂φ (t)h + 1-e2φ(t)∂ 𝒜123(t)(E123 + F123), (10.17 ) 2