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Vol. 70 No. 9 (2018)

Published: 25.09.2018

Research articles

Jackson – Stechkin-type inequalities for the approximation of elements of Hilbert spaces

V. F. Babenko, S. V. Konareva

1155-1165
- PDF (Russian)
Generalized characteristics of smoothness and some extremе problems of the approximation theory of functions in the space $L_2 (R)$ . I

S. B. Vakarchuk

1166-1191
- PDF (Russian)
Magic efficiency of approximation of smooth functions by weighted means of two $N$ -point Padé approximants

J. Gilewicz, R. Jedynak

1192-1210
- PDF
Some results on the global solvability for structurally damped models with a special nonlinearity

P. T. Duong

1211-1231
- PDF
First nontrivial group of homologies of simplicial schemes of unimodular frames over the Dedekind ring

B. R. Zainalov

1231-1248
- PDF (Russian)
Estimates for the entropy numbers of the classes $B_{p,θ}^{Ω}$ of periodic multivariate functions in the uniform metric

K. V. Pozhars’ka

1249-1263
- PDF (Ukrainian)
On the equicontinuity of one family of inverse mappings in terms of prime ends

R. R. Salimov, E. A. Sevost'yanov

1264-1273
- PDF (Russian)

Short communications

Third boundary-value problem for a third-order differential equation with multiple characteristics

Yu. P. Apakov

1274-1281
- PDF (Russian)
Inequalities for inner radii of symmetric disjoint domains

A. K. Bakhtin, L.V. Vyhovs'ka, I. V. Denega

1282-1288
- PDF (Russian)
Coefficient estimates for two subclasses of analytic and bi-univalent functions

A. Y. Lashin

1289-1296
- PDF