Vol 20 (2012)

DOI: https://doi.org/10.15421/24122001

Published: online 31.08.2012, print 08.09.2012

Table of Contents

Articles

Approximation of unbounded functionals by the bounded ones in Hilbert space
V.F. Babenko, R.O. Bilichenko
PDF (Русский)
3-10
On the optimal renewal of bilinear functionals from linear information
V.F. Babenko, M.S. Gun'ko, A.A. Rudenko
PDF (Русский)
11-17
Bernstein type inequalities for splines
V.F. Babenko, V.A. Zontov
PDF (Русский)
18-24
Comparison theorems for derivatives and some of their applications
V.F. Babenko, O.V. Kovalenko
PDF (Русский)
25-33
The best approximation of certain unbounded operators on classes of multivariable functions
V.F. Babenko, D.A. Levchenko
PDF (Русский)
34-40
The error at interpolation of some classes of multivariable functions by multifaceted functions and multilinear splines
V.F. Babenko, T.Yu. Leskevich
PDF (Русский)
41-48
Kolmogorov type inequalities for Hadamard fractional derivatives of functions defined on half-line, and their applications
V.F. Babenko, N.V. Parfinovich, A.A. Semirenko
PDF (Русский)
49-59
Inequalities of Jackson-Stechkin type for $$$B^2$$$-almost periodic functions
V.F. Babenko, S.V. Savela
PDF (Русский)
60-66
Fuzzy sets and statistical criteria
S.Ye. Bel'kov, V.I. Ruban
PDF (Українська)
67-69
Absolute Voronoi summability of factored integrals
L.G. Bojtsun, T.I. Rybnikova
PDF (Русский)
70-81
On inequalities of Kolmogorov type for the functions being analytic in the disk
S.B. Vakarchuk, M.B. Vakarchuk
PDF (Русский)
82-88
On the problem of mutual deviation of certain quadrature sums of interpolation type
V.L. Velikin
PDF (Русский)
89-94
On interconnexion of two classes of functions being integrable on $$$[-1;1]$$$ with weight
S.V. Goncharov
PDF (Русский)
95-98
Inequalities for norms of derivatives of non-periodic functions with non-symmetric constraints on higher derivatives
V.A. Kofanov
PDF (Русский)
99-105
Mean approximation of functions by algebraic polynomials
V.P. Motornyi, M.S. Klimenko
PDF (Українська)
106-117
The best one-sided approximations of the class of differentiable functions by algebraic polynomials in $$$L_1$$$ space
V.P. Motornyi, V.V. Sedunova
PDF (Українська)
118-125
On homotopic groups of spaces of generalised perfect splines
A.M. Pas'ko
PDF (Русский)
126-128
Conditions of unicity of the best non-symmetric $$$L_1$$$-approximant for continuous vector-valued functions by one-dimensional subspace
M.Ye. Tkachenko, V.M. Traktyns'ka
PDF (Русский)
129-133
On $$$L^1$$$-Matrices with Degenerate Spectrum and Weak Convergence in Associated Weighted Sobolev Spaces
P.I. Kogut, T.N. Rudyanova
PDF
134-144