Equation Icon  m m m n m m m sX = a + a nX + ℒ ξX + ¯𝜖Γ 𝜃 + δκX , (186 ) 1- mn s𝜃 = 4 amnΓ 𝜃 + ℒ ξ𝜃 + 𝜖 + δκ𝜃 , (187 )