Acta mathematica scientia,Series B

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THE N-WIDTHS FOR A GENERALIZED PERIODIC BESOV CLASSES

Xu Guiqiao   

  • Online:2005-10-11 Published:2005-10-11
  • Supported by:

    . The project was supported by National Natural Science Foun-
    dation of China (10471010)and the Development Foundation of Science and Technology of Tianjin Universities
    (52LD69) and the Youth Foundation of Tianjin Normal University (52LE72)

Abstract:

In this paper, an extension of Besov classes of periodic functions on Td is
given. The weak asymptotic results concerning the Kolmogorov n-widths, the linear n-
widths, and the Gel’fand n-widths are obtained, respectively.

Key words: Generalized Besov classes, approximation, n-widths

CLC Number: 

  • 46A63
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