Equation Icon  ∫ ¯Γ [g] = 2κ2Z dx √g-[− R (g) + 2 ¯λ ], (4.34 ) k Nk k ∫ √ -{ } ¯Γ k[g] = dx g 2κ2ZNk [− R (g) + 2¯λk] + ¯νkR2(g) . (4.35 )