Trigonometric and orthoprojection widths of classes of periodic functions of many variables

Approximation of functions with bounded mixed derivative

1989 · 149 citations

Computing, Computational Engineering, Derivatives +9

DIAMETERS OF SETS IN NORMED LINEAR SPACES AND THE APPROXIMATION OF FUNCTIONS BY TRIGONOMETRIC POLYNOMIALS

Russian Mathematical Surveys · 1974 · 145 citations

Natural Sciences, Computer Science, Mathematics +9

Nonlinear Approximation by Trigonometric Sums

Ronald DeVore, Vladimir Temlyakov · Journal of Fourier Analysis and Applications · 1995 · 92 citations

Computing, Computer Science, Mathematics +10

Certain problems of closest approximation

Dunham Jackson · Bulletin of the American Mathematical Society · 1933 · 85 citations · Full text

Natural Sciences, Mathematics, Applied Mathematics +9

Approximation of classes of periodic functions of several variables by nuclear operators

Mathematical Notes · 1990 · 25 citations

Natural Sciences, Physics, Nuclear Physics +11