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Pointwise Estimate for Exponential-Type Operators

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Southeast Asian Bulletin of Mathematics

Abstract

The purpose of this paper is to derive the pointwise estimate for three general exponential-type operators by using new Ditzian-Totik modulus.

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Authors and Affiliations

  1. Department of Mathematics, Hebei Normal University, Shijiazhuang, 050016, China

    Zhanjie Song

  2. College of Mathematics, Sichuan University, Chengdu, 610064, China

    Xiwu Liu

  3. Department of Mathematics, Hebei Normal University, Shijiazhuang, 050016, China

    Shunsheng Guo

Authors
  1. Zhanjie Song
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  2. Xiwu Liu
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  3. Shunsheng Guo
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Corresponding author

Correspondence to Zhanjie Song.

Additional information

AMS Subject Classification (2000): 41A27, 41A36

Supported by the National Science Foundation, Hebei, China.

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Cite this article

Song, Z., Liu, X. & Guo, S. Pointwise Estimate for Exponential-Type Operators. SEA bull. math. 24, 463–473 (2000). https://doi.org/10.1007/s10012-000-0463-1

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  • DOI: https://doi.org/10.1007/s10012-000-0463-1

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