Skip to main content
Log in

Quantitative Korovkin type theorems on simultaneous approximation

  • Published:
Mathematische Zeitschrift Aims and scope Submit manuscript

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

References

  1. Brudnyî, Yu.A.: On a certain method for approximation of bounded functions, given on a segment (Russian). In: Studies Contemporary Problems Constructive Theory of Functions (Proc. Second All-Union Conf., Baku 1962; ed. by I.I. Ibragimov), pp. 40–45. Baku: Izdat. Akad. Nauk Azerbaidžan. 1965

    Google Scholar 

  2. DeVore, R.A.: The Approximation of Continuous Functions by Positive Linear Operators. Berlin-Heidelberg-New York: Springer 1972

    Google Scholar 

  3. Freud, G.: On approximation by positive linear methods, II. Studia Sci. Math. Hungar.3, 365–370 (1968)

    Google Scholar 

  4. Gonska, H.H., Meier, J.: A bibliography on approximation of functions by Bernstein type operators (1955–1982). In: Approximation Theory IV (Proc. Int. Sympos. College Station 1983; ed by C.K. Chui, L.L. Schumaker, J.D. Ward), pp. 739–785. New York-San Francisco-London: Academic Press 1984

    Google Scholar 

  5. Ivan, M., Gavrea, I.: Sur une suite d'opérateurs d'interpolation et d'approximation. Anal. Numér. Theor. Approx. (2)10, 187–189 (1981)

    Google Scholar 

  6. Kansy, K.: Elementare Fehlerabschätzungen für Ableitungen bei der Hermite-Interpolation. Numer. Math.21, 350–354 (1973)

    Google Scholar 

  7. Kelisky, R.P., Rivlin, T.J.: Iterates of Bernstein Polynomials. Pacific J. Math.21, 511–520 (1967)

    Google Scholar 

  8. Knoop, H.-B., Pottinger, P.: Ein Satz vom Korovkin-Typ fürC k-Räume. Math. Z.148, 23–32 (1976)

    Google Scholar 

  9. Kudrjavcev, G.I.: Convergence of sequences of linear operators to derivatives (Russian). In: Proc. Central Regional Union of Mathematics Departments, No. 1: Functional Analysis and Function Theory, pp. 122–136. Kalinin: Kalinin. Gos. Ped. Inst. 1970

    Google Scholar 

  10. Kudrjavcev, G.I.: On the order of approximation by some sequences of operators of class M (Russian). Naučn. Tr. Novosib. Gos. Ped. Inst.94, 20–23 (1974)

    Google Scholar 

  11. Lorentz, G.G.: Zur Theorie der Polynome von S. Bernstein. Mat. Sb. (N.S.)2, 543–556 (1937)

    Google Scholar 

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

    Google Scholar 

  13. Min'kova, R.M.: The convergence of the derivatives of linear operators (Russian). C.R. Acad. Bulgare Sci.23, 627–629 (1970)

    Google Scholar 

  14. Min'kova, R.M.: Convergence of derivatives of linear operators (Russian). Izv. Vysš. Učebn. Zaved. Matematika no. 8 (171), 52–59 (1976)

    Google Scholar 

  15. Moldovan, G.: Asupra aproximârii funcţiilor continue prin polinoame Bernstein. Studia Univ. Babeş-Bolyai Ser. Math.-Phys. (1)11, 63–71 (1966)

    Google Scholar 

  16. Popoviciu, T.: Despre cea mai bunâ aproximaţie a funcţiilor continue prin polinoame. Cluj: Inst. Arte Grafice 1937

    Google Scholar 

  17. Pottinger, P.: Zur linearen Approximation im RaumeC k(I). Habilitationsschrift, Universität Duisburg 1976

  18. Sakai, R.: Approximation problem restricted by an incidence matrix. J. Math. Soc. Japan (3)32, 557–585 (1980)

    Google Scholar 

  19. Sendov, Bl., Popov, V.A.: The convergence of the derivatives of positive linear operators (Russian). C.R. Acad. Bulgare Sci.22, 507–509 (1969)

    Google Scholar 

  20. Sendov, Bl., Popov, V.A.: Convergence of the derivatives of positive linear operators (Bulgarian). Bulgar. Akad. Nauk., Otd. Mat. Fiz. Nauki, Izv. Mat. Inst.11, 107–115 (1970)

    Google Scholar 

  21. Shisha, O., Mond, B.: The degree of convergence of linear positive operators. Proc. Nat. Acad. Sci. U.S.A.60, 1196–1200 (1968)

    Google Scholar 

  22. Stancu, D.D.: Quadrature formulas constructed by using certain linear positive operators. In: Numerische Integration (Proc. Conf. Math. Res. Inst. Oberwolfach 1981; ed. by G. Hämmerlin), pp. 241–251. Basel: Birkhäuser 1982

    Google Scholar 

  23. Stark, E.L.: Bernstein-Polynome, 1912–1955. In: Functional Analysis and Approximation (Proc. Conf. Math. Res. Inst. Oberwolfach 1980; ed. by P. Butzer, B. Sz.-Nagy, E. Görlich), pp. 443–461. Basel: Birkhäuser 1981

    Google Scholar 

  24. Stark, E.L.: 1. Nachtrag zu “Bernstein-Polynome, 1912–1955”. Written communication, March 1982

  25. Wigert, S.: Sur l'approximation par polynomes des fonctions continues. Ark. Mat. Astr. Fys.22B, 1–4 (1932)

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Gonska, H.H. Quantitative Korovkin type theorems on simultaneous approximation. Math Z 186, 419–433 (1984). https://doi.org/10.1007/BF01174895

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01174895

Keywords

Navigation