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    STUDIA MATHEMATICA - Issue no. 4 / 2022  
         
  Article:   APPLICATIONS OF THE DEFERRED GENERALIZED DE LA VALLÉE POUSSIN MEANS IN APPROXIMATION OF CONTINUOUS FUNCTIONS.

Authors:  XHEVAT Z. KRASNIQI.
 
       
         
  Abstract:  
DOI: 10.24193/subbmath.2022.4.12

Published Online: 2022-12-02
Published Print: 2022-12-30
pp. 829-840

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In this paper we have proved a theorem which show the degree of approximation of periodic functions by some generalized means of their Fourier series. In addition, our result is extended to two-dimensional setting as well.

Mathematics Subject Classification (2010): 42A10, 42A16.
Keywords: Fourier series, generalized de la Vallée Poussin means, degree of approximation, modulus of continuity, Fourier series.
 
         
     
         
         
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