Equation Icon  ∫ ∏ ′ ∫ ∏ ∂le− Sl[χ] = d χ′p∂δlKl,0(χ, χ′)e−Sl[χ ], with dχ′p∂ δlKl,0(χ′,χ) = 0. (A.4) p≤Λ p≤Λ