Equation Icon  ( ρ | ) | Ξ--(ρ)∂ρh-(𝔪ij-)1≤i,j≤n-----|--------0-------| ℒ Ξ 𝔥ij = ( | ℒΞ𝔥 ρρ ℒΞ𝔥 ρσ ) , 0 | ℒΞ𝔥 ρσ 0 [ ( ρ) ] (3.69 ) ℒ 𝔥 = -a- ∂ h Ξρ + 2h ρ∂ Ξ-- + 2bh-∂ Ξσ, Ξ ρρ ρ2 ρ ρ ρ ρ ρ ( ) hΞ-ρ ℒΞ 𝔥ρσ = b∂ ρ ρ .