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Vol 71 No 2 (2019)
Published:
25.02.2019
Anniversaries
Vladyslav Kyrylovych Dzyadyk (on his 100th birthday)
147-150
PDF (Українська)
Research articles
Application of Dzyadyk’s polynomial kernels in the constructive function theory
V. V. Andrievskii
151-157
PDF
One inequality of the Landau – Kolmogorov type for periodic functions of two variable
V. F. Babenko
158-167
PDF (Русский)
Piecewise-polynomial approximations for the solutions of impulsive differential equations
V. I. Bilenko, K. V. Bozhonok, S. Yu. Dzyadyk
168-179
PDF (Українська)
On the estimates of widths of the classes of functions defined by the generalized moduli of continuity and majorants in the weighted space $L_{2x} (0,1)$
S. B. Vakarchuk
179-189
PDF (Русский)
Resonant equations with classical orthogonal polynomials. I
I. P. Gavrilyuk, V. L. Makarov
190-209
PDF
Quasiunconditional basis property of the Faber – Schauder system
M. G. Grigoryan, V. G. Krotov
210-219
PDF (Русский)
On Cèsaro and Copson norms of nonnegative sequences
V. I. Kolyada
220-229
PDF
On one estimate of divided differences and its applications
K. A. Kopotun, D. Leviatan, I. A. Shevchuk
230-245
PDF
Estimation of the rate of decrease (vanishing) of a function in terms of relative oscillations
A. A. Korenovskii
246-260
PDF (Русский)
On the joint approximation of a function and its derivatives in the mean
O. V. Motornaya, V. P. Motornyi
261-270
PDF (Українська)
Approximating characteristics of the classes of periodic multivariate functions in the space $B_{∞,1}$
A. S. Romanyuk, V. S. Romanyuk
271-282
PDF (Українська)
Approximation by interpolation trigonometric polynomials in metrics of the spaces $L_p$ on the classes of periodic entire functions
A. S. Serdyuk, I. V. Sokolenko
283-292
PDF (Українська)
On the approximation of functions by polynomials and entire functions of exponential type
R. M. Trigub
293-300
PDF (Русский)
Language
English
Українська
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