FOURIER MULTIPLIERS FOR Lp ON CHEÂ BLI±TRIMEÁ CHE HYPERGROUPS

Let m: Rn! C be a bounded function on the euclidean space Rn and de®ne the operator Tm associated with m by Tm f b\u85l m\u85lbf \u85l: The multiplier theorem of HoÈrmander [18] gives a suf®cient condition on m for th