Vol 56 No 9 (2004) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.09.2004

Research articles

On some extremal problems of approximation theory in the complex plane

S. B. Vakarchuk

1155-1171
- PDF (Русский)
- Springer
On properties of Bernstein-typ operator p0lynomials approximating the Urison operator.

I. I. Demkiv

1172-1181
- PDF (Українська)
- Springer
Estimation of the best approximation of periodic functions of two variables by an “angle” in the metric of $L_p$

T. O. Konopovich

1182–1192
- PDF (Українська)
- Springer
Representation of an algebra associated with the Dynkin graph $\tilde E_7$

V. L. Ostrovskii

1193–1202
- PDF (Українська)
- Springer
Truncation method for countable-point boundary-value problems in the space of bounded number sequences

V. A. Nedokis, A. M. Samoilenko, Yu. V. Teplinsky

1203-1230
- PDF (Українська)
- Springer
Powers of the curvature operator of space forms and geodesics of the tangent bundle

Е. Sakharova, A. Yampolsky

1231-1243
- PDF
- Springer
Uniform approximation of solutions of nonlinear parabolic problems in perforated domains

A. V. Zhuravskaya, I. V. Skrypnik

1244-1258
- PDF (Русский)
- Springer
On the classification of functional equations on quasigroups

F. M. Sokhats’kyi

1259-1266
- PDF (Українська)
- Springer
Approximation of functions defined on the real axis by operators generated by λ-methods of summation of their Fourier integrals

T. V. Zhyhallo, Yu. I. Kharkevych

1267-1280
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- Springer

Short communications

Separately continuous functions with respect to a variable frame

V. H. Herasymchuk, V. K. Maslyuchenko, O. V. Maslyuchenko

1281-1286
- PDF (Українська)
- Springer
On the existence of global attractors for one class of cascade systems

O. V. Kapustyan

1287-1291
- PDF (Українська)
- Springer
On the structure of resolvent of singularly perturbed operator solving the problem of eigenvalues

V. D. Koshmanenko, H. V. Tuhai

1292-1297
- PDF (Українська)
- Springer