Volume 260, Issue 5

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February 2022

This issue is a translation of Ukrains’kiĭ Matematychnyĭ Visnyk (Ukrainian Mathematical Bulletin) Vol. 18, No. 4, 2021. International Editorial Board of Ukrains’kiĭ Matematychnyĭ Visnyk: A. Friedman, V. Gutlyanskii (Editor-in-Chief), O. Martio, E. Khruslov, S. Kruskal, T. Sugawa.

8 articles in this issue

Quasiregular Mappings and Discrete Group Actions
Boris N. Apanasov
OriginalPaper 04 February 2022 Pages: 601 - 618
Existence of Periodic Traveling Waves in Fermi–Pasta–Ulam Type Systems on 2D-Lattice with Saturable Nonlinearities
Sergiy M. Bak
Galyna M. Kovtonyuk
OriginalPaper 04 February 2022 Pages: 619 - 629
The Problem of Extremal Decomposition of a Complex Plane with Free Poles on a Circle
Alexandr K. Bakhtin
Liudmyla V. Vyhivska
OriginalPaper 04 February 2022 Pages: 630 - 650
The Order of Comonotone Approximation of Differentiable Periodic Functions
German Dzyubenko
Lyudmyla Yushchenko
OriginalPaper 04 February 2022 Pages: 651 - 661
Limit cycles of multi-parameter polynomial dynamical systems
Valery A. Gaiko
OriginalPaper 04 February 2022 Pages: 662 - 677
Topological properties of closed weakly m-semiconvex sets
Tetiana M. Osipchuk
OriginalPaper 04 February 2022 Pages: 678 - 692
On some approximation properties of Gauss-Weierstrass singular operators
Olga Shvai
Kateryna Pozharska
OriginalPaper 03 February 2022 Pages: 693 - 699
On Approximation Properties of a Stancu Generalization of Szasz–Mirakyan–Bernstein Operators
Tuncay Tunç
Burcu Fedakar
OriginalPaper 03 February 2022 Pages: 700 - 710

Volume 260, Issue 5

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