scientific article; zbMATH DE number 1995842
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Publication:4431711
zbMath1029.42006MaRDI QIDQ4431711
Publication date: 22 October 2003
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
best trigonometric approximationperiodic functions of several variablesstepwise hyperbolic Fourier sums
Rate of convergence, degree of approximation (41A25) Fourier series and coefficients in several variables (42B05)
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Estimates of the best orthogonal trigonometric approximations and orthoprojective widths of the classes of periodic functions of many variables in a uniform metric ⋮ Uniform convergence of hyperbolic partial sums of multiple Fourier series.
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