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Approximation of functions of several variables by trigonometric polynomials with harmonics from hyperbolic crosses

โœ Scribed by V. N. Temlyakov


Book ID
112472875
Publisher
Springer
Year
1989
Tongue
English
Weight
385 KB
Volume
41
Category
Article
ISSN
0041-5995

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A characterization of smoothness properties which govern preassigned degrees of best approximations of multivariate periodic functions by trigonometric polynomials with the frequencies from so-called hyperbolic crosses is given in terms of new moduli of smoothness.