Vol 73 No 7 (2021) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 22.07.2021

Research articles

Autonomous nonlinear boundary-value problems for the Lyapunov equation in Hilbert space

D. S. Bihun, O. O Pokutnyi, E. V. Panasenko

867 - 878
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Inequalities for complex rational functions

M. Bidkham, E. Khojastehnezhad

879 - 886
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Semi-nonoscillation intervals and sign-constancy of Green’s functions of two-point impulsive boundary-value problems

A. Domoshnitsky, Iu. Mizgireva, V. Raichik

887 - 901
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$p$-Adic Markov process and the problem of the first return over balls

O. F. Casas-Sánchez, J. Galeano-Peñaloza, J. J. Rodríguez-Vega

902 - 912
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On Fischer subgroups of finite groups

Yu. Mao , X. Ma, N. Т. Vorob'ev, T. B. Karaulova

913 - 919
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Fredholm boundary-value problem in Sobolev – Slobodetsky spaces

V. A. Mikhailets, T. B. Skorobohach

920 - 930
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Ricci soliton biharmonic hypersurfaces in the Euclidean space

N. Mosadegh, E. Abedi, M. Ilmakchi

931 - 937
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On constructive description of Gibbs measures for the Potts model on a Cayley tree

M. Rahmatullaev, F. К. Rafikov , Sh. Kh. Azamov

938 - 950
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Boundary extension of mappings that satisfy the Poletsky inverse inequality in terms of prime ends

E. A. Sevost’yanov

951 - 963
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Approximation by rational functions on doubly connected domains in weighted generalized grand Smirnov classes

A. Testici

964 - 978
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Weighted Lebesgue and central Morrey estimates for $p$-adic multilinear Hausdorff operators and its commutators

N. M. Chuong, D. V. Duong, K. H. Dung

979 - 1004
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Short communications

Chernikov 2-groups with the Kleinian top and totally reducible bottoms

Yu. A. Drozd, А. І. Plakosh

1005 - 1008
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