Equation Icon  ∂ 1 [ ∂ ] 1 ∫ ∂ k---^Γ Λ,k[φ ] =-Tr k ---ℛk G Λ,k + -- dx dyφ (x )k---ℛ Λ,k(x,y )φ(y). (C.13 ) ∂k 2 ∂k 2 ∂k