Approximation by bivariate Mazhar-Totik operators
Commentationes Mathematicae, Tome 50 (2010) no. 2.

Voir la notice de l'article dans European Digital Mathematics Library

The aim of this paper is to study a bivariate version of the operator investigated in [2], [4]. We shall present Voronovskaya type theorem and theorems giving a rate of convergence of this operator. Some applications for the limit problem are indicated.
Mots-clés : positive linear operator, rate of convergence, Voronovskaya theorem, modulus of continuity, modulus of smoothness, mixed modulus of smoothness, limit problem 
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     author = {Eugeniusz Wachnicki},
     title = {Approximation by bivariate {Mazhar-Totik} operators},
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Eugeniusz Wachnicki. Approximation by bivariate Mazhar-Totik operators. Commentationes Mathematicae, Tome 50 (2010) no. 2. https://geodesic-test.mathdoc.fr/item/COMA_2010__50_2_292218/