Equation Icon  V~ ---( [ ] L = - g gmn 1-F (f)Rmn - 1F (f)G~(f)@mf @nf + ---3---@mF @nF 2k 2 4kF (f) --[ ] ) -U (f)gmn gabFmaFnb + y iemaga(@m + _O_m + qAm) - M~(f)F 1/2 y . (29)