| Let X be a measure metric space and L an non-negative second-order self-adjoint operator on L2(X).The Musielak-Orlicz-Hardy Space is denoted by Hφ,L(X),whereφ is growth function.Under the condition that the(heart)kernel of e-tL satisfies the Gaussian upper bound,we study the Littlewood-Paley Characterization of L on Hφ,L(X). |