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zbMath0698.41033MaRDI QIDQ3475796

Erich van Wickeren, R. J. Nessel

Publication date: 1989

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

error bounds uniform boundedness principle best approximation by trigonometric polynomials in several variables conjugates of double Fourier series multivariate approximation problems

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Multidimensional problems (41A63) Rate of convergence, degree of approximation (41A25) Approximate quadratures (41A55) Conjugate functions, conjugate series, singular integrals (42A50)

Related Items (1)

Sharp estimates in terms of moduli of smoothness for compound cubature rules

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