Shape-Preserving Widths of Weighted Sobolev-Type Classes of Positive, Monotone, and Convex Functions on a Finite Interval

n-Widths in Approximation Theory.

Klaus Höllig, Allan Pinkus · Mathematics of Computation · 1986 · 747 citations

Computing, Computer Science, Mathematics +17

DIAMETERS OF SOME FINITE-DIMENSIONAL SETS AND CLASSES OF SMOOTH FUNCTIONS

B S Kašin · Mathematics of the USSR-Izvestiya · 1977 · 251 citations

Natural Sciences, Mathematics, Set Theory +3

s-Numbers of operators in Banach spaces

Albrecht Pietsch · Studia Mathematica · 1974 · 237 citations · Full text

Natural Sciences, Mathematics, Number Theory +7

DIAMETERS OF SETS IN FUNCTION SPACES AND THE THEORY OF BEST APPROXIMATIONS

V. М. Tikhomirov · Russian Mathematical Surveys · 1960 · 174 citations

Natural Sciences, Mathematics, Geometry +14

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