Chinese Quarterly Journal of Mathematics ›› 2018, Vol. 33 ›› Issue (4): 417-420.doi: 10.13371/j.cnki.chin.q.j.m.2018.04.008

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Approximation by Interpolation Trigonometric Polynomial on the Unitary Group U(2)

  

  1. School of Mathematics and computer Science, Yunnan Minzu University. Department of Mathematics, Yunnan University
  • Accepted:2017-01-18 Online:2018-12-30 Published:2020-10-07
  • About author:YANG Zhu-yuan(1964-), male, native of Yunnan, a professor of Yunnan Minzu university, Ph.D., engages in approximation and its applications. YANG Zong-wen(1965-), male, native of Yunnan, associate professor of Yunnan university, M.S., engages in algebra theory and number theory.
  • Supported by:
    Natural Science Foundation of China(11361076);

Abstract: In this paper we study the approximation of interpolation trigonometric polynomial of a continuous class function on a unitary group U(2), we obtain the Jackson-type error estimation of Bernstein-type operator. 

Key words: unitary group, interpolation, approximation

CLC Number: