Some inverse theorems for approximation of functions by the Fourier-Laguerre sums

DOI10.3103/S1066369X1009001XzbMath1225.41002MaRDI QIDQ619478

F. V. Abilova, M. V. Abilov, Vladimir A. Abilov

Publication date: 25 January 2011

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

Laguerre polynomialsFourier-Laguerre seriesLevi differentiable functionsweighted \(L_2\) approximation in \(\mathbb R^2\)

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10)

Related Items (1)

On sharp estimates of the convergence of double Fourier-Bessel series

Cites Work

• Approximation of functions by Fourier-Laguerre sums
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