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Lp approximation with rates by multivariate generalized discrete singular operators

Author

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  • A. Anastassiou, George
  • Kester, Merve

Abstract

Here we give the approximation properties with rates of multivariate generalized discrete versions of Picard, Gauss–Weierstrass, and Poisson–Cauchy singular operators over RN,N ≥ 1. We treat both the unitary and non-unitary cases of the operators above. We derive quantitatively Lp convergence of these operators to the unit operator by involving the Lp higher modulus of smoothness of an Lp function.

Suggested Citation

  • A. Anastassiou, George & Kester, Merve, 2015. "Lp approximation with rates by multivariate generalized discrete singular operators," Applied Mathematics and Computation, Elsevier, vol. 265(C), pages 652-666.
    • Handle: RePEc:eee:apmaco:v:265:y:2015:i:c:p:652-666
    DOI: 10.1016/j.amc.2015.05.073
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