Vol 28, No 1 (2020)

DOI: https://doi.org/10.15421/24202801

Published: online 31.08.2020, print 08.09.2020

Table of Contents

Preamble
 
PDF
1-2

Articles

Sharp Nagy type inequalities for the classes of functions with given quotient of the uniform norms of positive and negative parts of a function
V.A. Kofanov, I.V. Popovich
PDF
3-11
Estimates of the error of interval quadrature formulas on some classes of differentiable functions
V.P. Motornyi, D.A. Ovsyannikov
PDF
12-21
The pointwise estimation of the one-sided approximation of the class $$$\breve{W}_\infty^r,\; 0 < r < 1$$$
A.M. Pasko
PDF
22-28
The Rate of Convergence of Truncated Hypersingular Integrals Generated by the Generalized Poisson Semigroup
S.E. Sinem, E. Melih, Ç. Selim
PDF
29-42
The uniqueness of the best non-symmetric $$$L_1$$$-approximant with a weight by $$$A_{\alpha ,\beta }$$$-subspace
M.Ye. Tkachenko, V.O. Traktynskyi
PDF
43-50