scientific article; zbMATH DE number 7546780

MaRDI QIDQ5084089

Sadulla Z. Jafarov

Publication date: 23 June 2022

Full work available at URL: https://pjm.ppu.edu/sites/default/files/papers/PJM_November_2021_613_to_622.pdf

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zbMATH Keywords

trigonometric polynomialsbest approximationMorrey spaceFejér meanAbel-Poisson meanZygmund mean

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10) Rate of convergence, degree of approximation (41A25) Trigonometric polynomials, inequalities, extremal problems (42A05)

Cites Work

• Approximation of functions by de la Vallée-Poussin sums in weighted Orlicz spaces
• Linear methods for summing Fourier series and approximation in weighted Lebesgue spaces with variable exponents
• Approximation in Morrey spaces
• Approximation by rational functions in Smirnov-Orlicz classes
• Approximation in generalized Morrey spaces
• Approximation by matrix transforms in weighted Lebesgue spaces with variable exponent
• Polynomial approximation in Smirnov-Orlicz classes
• Approximation by trigonometric polynomials in variable exponent Morrey spaces
• Approximation by trigonometric polynomials in weighted Morrey spaces
• Approximation of signals (functions) by trigonometric polynomials in \(L_p\)-norm
• Weighted Hardy and singular operators in Morrey spaces
• Trigonometric approximation in the mean
• Boundedness of the maximal, potential and singular operators in the generalized variable exponent Morrey spaces
• Multiple Integrals in the Calculus of Variations and Nonlinear Elliptic Systems. (AM-105)
• Littlewood-Paley and Multiplier Theorems on Weighted L p Spaces
• Approximation of periodic functions by Zygmund means in Orlicz spaces
• Navier-stokes flow in r³with measures as initial vorticity and morrey spaces
• Morrey-Campanato Spaces: an Overview
• Approximation by Nörlund and Riesz means in weighted Lebesgue space with variable exponent
• Realization and characterization of modulus of smoothness in weighted Lebesgue spaces
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