The pointwise estimation of the one-sided approximation of the class $\breve{W}_\infty^r,\; 0 < r < 1$

Abstract

The pointwise estimation of the one-sided approximation of the class $\breve{W}_\infty^r,\; 0 < r < 1$, is established.

Keywords

• the best one-sided approximation
• singular integrals
• algebraic polynomials