Realizations of mixed generalized \(K\)-functionals

zbMath1442.42056MaRDI QIDQ2191973

N. V. Omel'chenko, Konstantin V. Runovski

Publication date: 26 June 2020

Published in: Mathematical Notes (Search for Journal in Brave)

zbMATH Keywords

families of linear polynomial operatorsFourier means\(K\)-functionalmixed generalized derivative

Mathematics Subject Classification ID

Function spaces arising in harmonic analysis (42B35) Fourier and Fourier-Stieltjes transforms and other transforms of Fourier type (42A38)

Cites Work

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• Mixed generalized modulus of smoothness and approximation by the ``angle of trigonometric polynomials
• On the \(K\)-functional for the mixed generalized modulus of smoothness
• Trigonometric polynomial approximation,K-functionals and generalized moduli of smoothness

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