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On Approximation Properties of Generalized Durrmeyer Operators

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Part of the book series: Springer Proceedings in Mathematics & Statistics ((PROMS,volume 171))

Abstract

The concern of this paper is to introduce new generalized Durrmeyer-type operators from which classical operators can be obtained as a particular case, inspiring from the Ibragimov–Gadjiev operators (Gadjiev and Ibragimov, Soviet Math. Dokl. 11, 1092–1095, (1970) [8]). After the construction of new Durrmeyer operators is given, we obtain some pointwise convergence theorems and Voronovskaya-type asymptotic formula for new Durrmeyer-type operators. We establish a quantitative version of the Voronovskaya-type formula with the aid of the weighted modulus of continuity. Some special cases of new operators are presented as examples.

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References

  1. Aral, A.: Approximation by Ibragimov-Gadjiyev operators in polynomial weighted space. Proc. IMM NAS Azerbaijan XIX, 35–44 (2003)

    MATH  Google Scholar 

  2. Bardaro, C., Mantellini, I.: A quantitative Voronovskaya formula for Mellin convolution operators. Mediterr. J. Math. 7(4), 483–501 (2010)

    Article  MathSciNet  MATH  Google Scholar 

  3. Coskun, T.: On a construction of positive linear operators for approximation of continuous functions in the weighted spaces. J. Comp. Anal. Appl. 13(4), 756–770 (2011)

    MathSciNet  MATH  Google Scholar 

  4. Derriennic, M.M.: Sur l’approximation de functions integrable sur [0; 1] par des polynomes de Bernstein modifies. J. Approx. Theory 31, 323–343 (1981)

    Article  Google Scholar 

  5. Dogru, O.: On a certain family linear positive operators. Turk. J. Math. 21, 387–399 (1997)

    MathSciNet  MATH  Google Scholar 

  6. Dogru, O., On the order of approximation of unbounded functions by the family of generalized linear positive operators. Commun. Fac. Sci. Univ. Ank., Ser. A1, 46, 173–181 (1997)

    Google Scholar 

  7. Durrmeyer, J.L.: Une formule d’ inversion de la Transformee de Laplace, Applications a la Theorie des Moments, These de 3e Cycle, Faculte des Sciences de l’ Universite deParis (1967)

    Google Scholar 

  8. Gadjiev, A.D., Ibragimov, I.I.: On a sequence of linear positive operators. Soviet Math. Dokl. 11, 1092–1095 (1970)

    MATH  Google Scholar 

  9. Gadjiev, A.D., İspir, N.: On a sequence of linear positive operators in weighted spaces. Proc. IMM Azerbaijan AS XI(XIX), 45–56 (1999)

    MathSciNet  MATH  Google Scholar 

  10. Gonska, H., Pitul, P., Rasa, I.: On Peano’s form of the Taylor remainder,Voronovskaja’s theorem and the commutator of positive linear operators. In: Proceedings of the International Conference on Numerical Analysis and Approximation Theory, pp. 55–80. Cluj-Napoca, Romania, 5–8 July 2006

    Google Scholar 

  11. Gonska, H., Pitul, P., Rasa, I.: On differences of positive linear operators. Carpathian J. Math. 22(1–2), 65–78 (2006)

    MathSciNet  MATH  Google Scholar 

  12. Gupta, V., Mohapatra, R.N., Finta, Z.: A certain family of mixed summation-integral type operators. Math. Comput. Model. 42(1–2), 181–191 (2005)

    Article  MathSciNet  MATH  Google Scholar 

  13. Heilmann, M.: Direct and converse results for operators of Baskakov-Durrmeyer type. Approx. Theory Appl. 5(1), 105–127 (1988)

    MathSciNet  MATH  Google Scholar 

  14. Isir, N.: On modifed Baskakov operators on weighted spaces. Turk. J. Math. 25, 355–365 (2001)

    Google Scholar 

  15. Mazhar, S.M., Totik, V.: Approximation by modified Szasz operators. Acta Sci. Math. 49, 257–269 (1985)

    MathSciNet  MATH  Google Scholar 

  16. Radatz, P., Wood, B., Approximating derivatives of functions unbounded on the positive axis with lineare operators, Rev. Roum. Math. Pures et Appl., Bucarest, Tome XXIII(5), 771–781 (1978)

    Google Scholar 

  17. Sahai, A., Prasad, G.: On simultaneous approximation bymodified Lupas operators. J. Approx. Theory 45(12), 122–128 (1985)

    Google Scholar 

  18. Srivastava, H.M., Gupta, V.: A certain family of summation integral type operators. Math. Comput. Model. 37(12–13), 1307–1315 (2003)

    Article  MathSciNet  MATH  Google Scholar 

  19. Voronovskaya, E.V.: Determination of the asymptotic form of approximation of functions by the polynomials of S.N. Bernstein, Dokl. Akad. Nauk SSSR, A, 79–85 (1932)

    Google Scholar 

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Correspondence to Tuncer Acar .

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Aral, A., Acar, T. (2016). On Approximation Properties of Generalized Durrmeyer Operators. In: Singh, V., Srivastava, H., Venturino, E., Resch, M., Gupta, V. (eds) Modern Mathematical Methods and High Performance Computing in Science and Technology. Springer Proceedings in Mathematics & Statistics, vol 171. Springer, Singapore. https://doi.org/10.1007/978-981-10-1454-3_1

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