Equation Icon  ∫ S = --1--- d4xddy ∘ −-(4+d)g-[(4+d)R − 2 Λ ], (1 ) gravity 2κ24+d 4+d (4+d)GAB ≡ (4+d)RAB − 1(4+d)R(4+d)gAB = − Λ4+d(4+d)gAB + κ24+d(4+d)TAB, (2 ) 2