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Abstract: For Baskakov–Bzier operators we give the direct, inverse and equivalence approximation theorems with unified Ditzian–Totik modulus . [Copyright &y& Elsevier]

Abstract: In this work we give the estimates of the moments for the Meyer–König and Zeller operators which can be used for studying the approximation properties of the operators. [Copyright &y& Elsevier]

Abstract: Recently, the quasi-interpolants of some classical operators were introduced. Mache and Müller gave Baskakov quasi-interpolants and obtained approximation equivalence theorem with In this paper, we extend the above result with modulus (0 ≤ λ ≤ 1) which unified classical modulus and Ditzian-Totik modulus. [Copyright &y& Elsevier]

Recently some classical operator quasi-interploants were introduced to obtain much faster convergence. P. Mache and D. H. Mache gave Bernstein quasi-interpolants and obtained approximation equivalence theorem with . In this article we extend above result with modulus which unified classical modulus and Ditzian-Totik modulus. [ABSTRACT FROM AUTHOR]