Vol 71 No 11 (2019) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.11.2019

Research articles

A method for the construction of exact solutions to the nonlinear heat equation $u_t = \left(F(u)u_x \right)_x +G(u)u_x +H(u)$

T. A. Barannyk, A. F. Barannyk, I. I. Yuryk

1443 -1454
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On the crossing of maximal subgroups of finite groups

R. V. Borodich

1455-1465
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Asymptotic behavior of the solutions of boundary-value problems for singularly perturbed integro-differential equations

M. K. Dauylbayev, A. B. Uaissov

1466-1479
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Systems of variational inequalities and multiple-set split equality fixed-point problems for countable families of multivalued type-one mappings of the demicontractive type

C. Izuchukwu, O. T. Mewomo, C. C. Okeke

1480-1501
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A parabolic equation for the fractional Laplacian in the whole space: blow-up of nonnegative solutions

T. Kenzizi

1502-1518
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Non-periodic locally soluble groups with non-Dedekind locally nilpotent norm of decomposable subgroups

F. N. Lyman, T. D. Lukashova

1519-1528
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Generalization of resonance equations for the Laguerre- and Legendre-type polynomials to the fourth-order equations

B. I. Bandyrskii, V. L. Makarov, N. M. Romaniuk

1529-1538
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Cohomology of $q$-deformed Witt – Virasoro superalgebras of the Hom type

A. Makhlouf, N. Saadaoui

1539-1552
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Deterministic diffusion

I. L. Nizhnik, L. P. Nizhnik

1553-1569
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Linear differential-functional equations with absolutely unstable solutions

V. Yu. Slyusarchuk

1570-1578
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Short communications

On the spectral properties of the one-dimensional Stark operator on the half-line

M. G. Makhmudova, A. Kh. Khanmamedov

1579-1584
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