K-functionals and weighted moduli of smoothness

DOI10.1016/0021-9045(90)90110-CzbMath0715.46043OpenAlexW2045729144MaRDI QIDQ752424

Z. Ditzian, Vilmos Totik

Publication date: 1990

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(90)90110-c

zbMATH Keywords

K-functionalsweighted moduli of smoothness

Mathematics Subject Classification ID

Abstract interpolation of topological vector spaces (46M35)

Related Items (8)

A characterization of weighted approximations by the Post-Widder and the gamma operators. II ⋮ A characterization of weighted approximations by the Post-Widder and the Gamma operators ⋮ Unnamed Item ⋮ Unnamed Item ⋮ Direct estimates of the weighted simultaneous approximation by the Baskakov operator ⋮ On simultaneous approximation by iterated Boolean sums of Bernstein operators ⋮ Weighted error estimates for approximation by Cesàro means of Fourier-Jacobi series in spaces of locally continuous functions ⋮ Approximation in weighted Orlicz spaces

Cites Work

• A global inverse theorem for combinations of Bernstein polynomials
• On interpolation of L//p[a,b and weighted Sobolev spaces]
• Problems and solutions concerning Kantorovich operators
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