On convergence of a kind of complex nonlinear Bernstein operators

Authors

  • Harun KARSLI Abant Izzet Baysal University Faculty of Science and Arts Department of Mathematics 14280 Golkoy Bolu, Turkey e-mail: karsli_h@ibu.edu.tr https://orcid.org/0000-0002-3641-9052
  • Esra UNAL Abant Izzet Baysal University Faculty of Science and Arts Department of Mathematics 14280 Golkoy Bolu, Turkey e-mail: esraunal@ibu.edu.tr

Keywords:

Nonlinear Bernstein operators, Lipschitz condition, Voronovskaja-type result, compact disks.

Abstract

The present article deals with the approximation properties and Voronovskaja type results with quantitative estimates for a certain class of com- plex nonlinear Bernstein operators (NBnf) of the form ... attached to analytic functions on compact disks.

Mathematics Subject Classification (2010): 41A35, 41A25, 47G10.

References

Andrica, D., Powers by Bernstein's operators and some combinatorial properties, in: Itinerant Seminar on Functional Equations, Approximation and Convexity, Cluj-Napoca, Preprint no. 6, 5-9.

Gal, S.G., Approximation by Complex Bernstein and Convolution Type Operators, Singapore, Hong Kong, London, New Jersey, World Scientific Publ Co., 2009.

Gal, S.G., Shape Preserving Approximation by Real and Complex Polynomials, Birkhauser Publ., Boston, Basel, Berlin, 2008.

Gal, S.G., Voronovskaja's theorem and iterations for complex Bernstein polynomials in compact disks, Mediter. J. Math., 5, no. 3, 253-272.

Karsli, H., Tiryaki, I.U., Altin, H.E., Some approximation properties of a certain nonlinear Bernstein operators, Filomat, 28(2014), 1295-1305.

Lorentz, G.G., Bernstein Polynomials, University of Toronto Press, Toronto, 1953.

Lorentz, G.G., Approximation of Functions, Chelsea Publ., New York, 1987.

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Published

2015-06-30

How to Cite

KARSLI, H., & UNAL, E. (2015). On convergence of a kind of complex nonlinear Bernstein operators. Studia Universitatis Babeș-Bolyai Mathematica, 60(2), 259–265. Retrieved from https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5731

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