Vol 73 No 8 (2021) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.08.2021

Research articles

Derivations and identities for the Chebyshev polynomials

L. P. Bedratyuk , N. B. Lunio

1011 - 1022
- pdf (Українська)
Differential invariants, hidden and conditional symmetry

I. A. Yehorchenko

1023 - 1033
- pdf (Українська)
Distributions of zeros and poles of $N$-point Padé approximants to complex-symmetric functions defined at complex points

R. Jedynak, J. Gilewicz

1034 - 1055
- pdf
On application of slowly varying functions with remainder in the theory of Markov branching processes with mean one and infinite variance

A. Imomov, A. Meyliyev

1056 - 1066
- pdf
Some new bounds оf Gauss – Jacobi аnd Hermite – Hadamard type integral inequalities

A. Kashuri, M. Ramosaçaj, R. Liko

1067 - 1084
- pdf
Tauberian conditions under which convergence follows from the weighted mean summability and its statistical extension for sequences of fuzzy number

Z. Önder, İ. Çanak

1085 - 1101
- pdf
Estimates of approximation characteristics and properties of operators of the best approximation for the classes of periodic functions in the space $B_{1,1}$

A. S. Romanyuk, S. Ya. Yanchenko

1102 - 1119
- pdf (Українська)
An analog of the Men’shov – Trokhimchuk theorem for monogenic functions in a three-dimensional commutative algebra

M. V. Tkachuk, S. A. Plaksa

1120 - 1128
- pdf (Українська)
New characterizations for differences of composition operators between weighted-type spaces in the unit ball

C. Chen

1129 - 1139
- pdf

Short communications

On a property of the Nevanlinna characteristic

M. V. Zabolotskyy, T. M. Zabolotskyy

1140 - 1146
- pdf
A note on units in $\mathbb{F}_q SL(2, \mathbb{Z}_3)$

S. Maheshwari , R. K. Sharma

1147 - 1152
- pdf