Researches in Mathematics

The journal presents results of researches concerning algebra, approximation theory for the functions of real variable, the equations of mathematical physics, and their application to problem solution.

The journal is intended for research officers, post-graduate and undergraduate students.

Attention: The template of the submission (.tex and .cls files) was updated on 16.08.2020. Please proceed to Author Guidelines to download and use the latest version.


Vol 28, No 1 (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