A general approximation approach for the simultaneous treatment of integral and discrete operators

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In this paper we give a unitary approach for the simultaneous study of the convergence of discrete and integral operators described by means of a family of linear continuous functionals acting on functions defined on locally compact Hausdorff topological groups. The general family of operators introduced and studied includes very well-known operators in the literature. We give results of uniform convergence, and modular convergence in the general setting of Orlicz spaces.The latter result allow us to cover many other settings as the Lᵖ-spaces, the interpolation spaces, the exponential spaces and many others.