Local saturation of conservative operators |
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| Authors: | D Cárdenas-Morales P Garrancho |
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| Institution: | (1) Departamento ae Matemáticas, Universidad De Jaén, 23071 Jaén, Spain;(2) Departamento De Matemáticas, I.E.S. Albariza, Jaén, Spain |
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| Abstract: | We state a result about the local saturation of sequences of linear operators that preserve the sign of the k-th derivative of the functions. We apply it to the well known approximation operators of Bernstein, Szász–Mirakjan, Meyer–König and Zeller, and Bleimann, Butzer and Hahn. |
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| Keywords: | k-convex operators saturation result |
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