2017
Том 69
№ 9

All Issues

Coapproximation of functions convex on a disk by algebraic polynomials

Budnik V. G.

Full text (.pdf)


Abstract

An estimate is obtained for the approximation of convex functions of two variables with bounded second derivatives on a disk by convex algebraic polynomials.

English version (Springer): Ukrainian Mathematical Journal 46 (1994), no. 9, pp 1225-1234.

Citation Example: Budnik V. G. Coapproximation of functions convex on a disk by algebraic polynomials // Ukr. Mat. Zh. - 1994. - 46, № 9. - pp. 1115–1122.

Full text