Equation Icon  ∂ H + 1-Dj (α2M ) − 2KH − (Kij − K γij)R = 0, (4.45 ) 0 α2 j ij 1 ( 2 ) 1 j ( kl ) ∂0Mi + α2-Di α H − KMi + α-D αRij − α γijγ Rkl = 0. (4.46 )