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Vol. 57 No. 1 (2022)

DOI: https://doi.org/10.30970/ms.57.1

Published: 2022-03-31

Cover and Table of Contents

Articles

An exact constant on the estimation of the approximation of classes of periodic functions of two variables by Ceśaro means

O. G. Rovenska

3-9
- pdf
Some class of numerical radius peak $n$-linear mappings on $l_p$-spaces

S. G. Kim

10-15
- pdf
Boundary value matrix problems and Drazin invertible operators

K. Miloud Hocine

16-22
- pdf
The least dimonoid congruences on relatively free trioids

A. V. Zhuchok

23-31
- pdf
On certain subclass of Dirichlet series absolutely convergent in half-plane

M. M. Sheremeta

32-44
- pdf
Local versions of the Wiener–Lévy theorem

S. Yu. Favorov

45-52
- pdf
Universally prestarlike functions associated with shell like domain

K. Vijaya, G. Murugusundaramoorthy, S. Yalçın

53-61
- pdf
Bounds on the extent of a topological space

A. Ravsky, T. Banakh

62-67
- pdf
Slice holomorphic functions in the unit ball: boundedness of $L$-index in a direction and related properties

A. I. Bandura, T. M. Salo, O. B. Skaskiv

68-78
- pdf
On some properties of Hassani transforms

Ya. I. Grushka

79-91
- pdf
Stable range conditions for abelian and duo rings

A. A. Dmytruk, A. I. Gatalevych, M. I. Kuchma

92-97
- pdf
$\mathscr{T}$-Commuting Generalized Derivations on Ideals and Semi-Prime Ideal-II

N. U. Rehman, H. M. Alnoghashi

98-110
- pdf

Chronicles

A. M. Sedletskii (November 28, 1941 – February 17, 2022) (in Ukrainian)

111-112
- pdf