Equation Icon  2 &tidle;gμν(x, y) = &tidle;gμν(x,0) − ℰμν(x,0+ )y2 − -ℰμν(x, 0+)|y|3 [ ℓ ] 1-- 32- αβ α 4 + 12 □ ℰμν − ℓ2 ℰμν + 2R μανβℰ + 6ℰ μ ℰαν y + ... (148 ) y=0+