Geodesic
The family of Szász-Durrmeyer Type Operators Involving Charlier Polynomials
Kragujevac Journal of Mathematics, Tome 47 (2023) no. 3, p. 431

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In this paper, we consider Szász-Durrmeyer type operators based on Charlier polynomials associated with Srivastava-Gupta operators \cite{SG:03}. For the considered operators, we discuss error of estimation by using first and second order modulus of continuity, Lipchtiz-type space, Ditzian-Totik modulus of smoothness, Voronovskaya type asymptotic formula and weighted modulus of continuity.
Classification : 41A25, 41A36
Keywords: Charlier polynomials, Srivastava-Gupta operators, modulus of continuity, Ditzian-Totik modulus of smoothness, weighted modulus of continuity 
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Naokant Deo; Ram Pratap. The family of Szász-Durrmeyer Type Operators Involving Charlier Polynomials. Kragujevac Journal of Mathematics, Tome 47 (2023) no. 3, p. 431 . http://geodesic.mathdoc.fr/item/KJM_2023_47_3_a7/