Best uniform approximation to a class of rational functions

DOI10.1016/J.JMAA.2006.10.047zbMath1115.41028OpenAlexW2081383303MaRDI QIDQ996873

Zhitong Zheng, Jun-Hai Yong

Publication date: 19 July 2007

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://hal.inria.fr/inria-00517597/file/Zhitong_Zheng2007a.pdf

zbMATH Keywords

best approximationChebyshev polynomialuniform norm

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50)

Cites Work

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• Best uniform polynomial approximation to certain rational functions
• Classes of functions with explicit best uniform approximations
• Interpolation and approximation by polynomials
• The best approximation of some rational functions in uniform norm
• Polynomials of best uniform approximation to certain rational functions

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