Approximation Properties of Certain Operators

  • Vijay GuptaEmail author
  • Michael Th. Rassias
Part of the SpringerBriefs in Mathematics book series (BRIEFSMATH)


The present chapter deals with the approximation properties of certain integral type operators. The direct results are presented for the hybrid Baskakov-Szász-Mirakyan operators, preserving some exponential type operators. The chapter consists of the study of direct results for the Post-Widder operators preserving the general test function \(e_r, r\in \mathbb {N}\). The linear combinations have been discussed for certain operators, which speed up the convergence. Also, some other direct results have been presented for the Kantorovich type operators, which have been recently discussed.

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© The Author(s), under exclusive license to Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of MathematicsNetaji Subhas University of TechnologyNew DelhiIndia
  2. 2.Institute of MathematicsUniversity of ZürichZürichSwitzerland
  3. 3.Moscow Institute of Physics and TechnologyDolgoprudnyRussia
  4. 4.Institute for Advanced Study Program in Interdisciplinary StudiesPrincetonUSA

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