Nested sequences of rational spaces: Bernstein approximation, dimension elevation, and Pólya-type theorems on positive polynomials
DOI10.1016/j.jat.2018.04.010zbMath1396.41010OpenAlexW2800266953MaRDI QIDQ723763
Rachid Ait-Haddou, Marie-Laurence Mazure, Hermann Render
Publication date: 24 July 2018
Published in: Journal of Approximation Theory (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.jat.2018.04.010
Bernstein-type operatorspositive polynomialsapproximation by rational functionsdimension elevationextended Chebyshev spacesPólya-type theorems
Best approximation, Chebyshev systems (41A50) Approximation by rational functions (41A20) Algorithms for approximation of functions (65D15) Computer-aided design (modeling of curves and surfaces) (65D17) Approximation by positive operators (41A36) Real rational functions (26C15)
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Cites Work
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