Negative results in coconvex approximation of periodic functions
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Publication:2037066
DOI10.1016/j.jat.2021.105582zbMath1467.42001OpenAlexW3153913422MaRDI QIDQ2037066
G. A. Dzyubenko, Victoria Voloshyna, Lyudmyla Yushchenko
Publication date: 30 June 2021
Published in: Journal of Approximation Theory (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.jat.2021.105582
Trigonometric approximation (42A10) Approximation with constraints (41A29) Trigonometric polynomials, inequalities, extremal problems (42A05)
Related Items (3)
The order of comonotone approximation of differentiable periodic functions ⋮ Coconvex approximation of periodic functions ⋮ Comonotone approximation of periodic functions
Cites Work
- Piecewise monotone pointwise approximation
- Comonotone Jackson's inequality
- Coconvex polynomial approximation
- Degree of approximation by monotone polynomials. I
- Comonotone approximation of twice differentiable periodic functions
- Uniform and Pointwise Shape Preserving Approximation by Algebraic Polynomials
- Coconvex approximation of periodic functions
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