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math.FA2001
Some Remarks on a General Construction af Approximation Processes
Lorenzo D'Ambrosio, Elisabetta Mangino
The aim of this paper is to study the characteristics of a general method to produce a new approximation sequence from a given one, by using suitable convex combinations.
math.FA2000
Approximation of *weak-to-norm continuous mappings
Lorenzo D'Ambrosio
The purpose of this paper is to study the approximation of vector valued mappings defined on a subset of a normed space. We investigate Korovkin-type conditions under which a given…