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Composition of some positive linear integral operators

Acu Ana-Maria, Rasa Ioan, Sofonea Florin

Demonstratio Mathematica

2024

Vol. 57, nr 1

art. no. 20240018

This article is devoted to constructing sequences of integral operators with the same Voronovskaja formula as the generalized Baskakov operators, but having different behavior in other respects. For them, we investigate the eigenstructure, the inverses, and the corresponding Voronovskaja type formulas. A general result of Voronovskaja type for composition of operators is given and applied to the new operators. The asymptotic behavior of differences between the operators is investigated, and as an application, we obtain a formula involving Euler’s gamma function.