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Inverse and saturation theorems for linear combination of modified Baskakov operators. (English) Zbl 0755.41024

Summary: We consider linear combinations of modified Baskakov operators. By use of several lemmas, we obtain the inverse theorem and the saturation for those linear combinations.

MSC:

41A35 Approximation by operators (in particular, by integral operators)
41A40 Saturation in approximation theory
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