Volume 252, Issue 4

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January 2021

This issue is a translation of Ukrains’kiĭ Matematychnyĭ Visnyk (Ukrainian Mathematical Bulletin) Vol. 17, No. 3, 2020. International Editorial Board of Ukrains’kiĭ Matematychnyĭ Visnyk: M. Atiyah (deceased), B. Bojarski (deceased), A. Friedman, O. Martio, L. Nirenberg, A. Samoilenko (Editor-in-Chief).

8 articles in this issue

Existence of traveling waves in Fermi–Pasta–Ulam–type systems on a 2D–lattice
Sergiy Mykolayovych Bak
Galyna Mykolayivna Kovtonyuk
OriginalPaper 04 January 2021 Pages: 453 - 462
Nonlinear boundary-value problems for degenerate differential-algebraic systems
Sergii Mykhailovych Chuiko
Ol’ga Volodymyrivna Nesmelova
OriginalPaper 04 January 2021 Pages: 463 - 471
Fredholm Eigenvalues and Quasiconformal Geometry of Polygons
Samuel L. Krushkal
OriginalPaper 04 January 2021 Pages: 472 - 501
Series expansions for monogenic functions in Clifford algebras and their application
Anatoliy A. Pogorui
Tamila Yu. Kolomiiets
OriginalPaper 04 January 2021 Pages: 502 - 507
Approximative characteristics and properties of operators of the best approximation of classes of functions from the Sobolev and Nikol’skii–Besov spaces
Anatolii Sergiiovych Romanyuk
Viktor Sergiiovych Romanyuk
OriginalPaper 04 January 2021 Pages: 508 - 525
Asymptotic Estimates for the Best Uniform Approximations of Classes of Convolution of Periodic Functions of High Smoothness
Anatolii S. Serdyuk
Igor V. Sokolenko
OriginalPaper 04 January 2021 Pages: 526 - 540
On nonhomeomorphic mappings with the inverse Poletsky inequality
Evgeny Oleksandrovych Sevost’yanov
Serhii Oleksandrovych Skvortsov
Oleksandr Petrovych Dovhopiatyi
OriginalPaper 04 January 2021 Pages: 541 - 557
Extreme problem for a mosaic system of points
Andrii Leonidovych Targonskii
Iryna Igorivna Targonskaya
OriginalPaper 04 January 2021 Pages: 558 - 565

Volume 252, Issue 4

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