Bulletin of Donetsk National University. Series A: Natural Sciences

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№1-2 (2019)

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Published: 2019-11-25

Інформація про Вісник

Титул і зміст Вісника.

© Донецький національний університет імені Василя Стуса, 2019
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Iнформацiя для авторiв журналу.

© Донецький національний університет імені Василя Стуса, 2019
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Mechanics

On the subject of influence of dissipative and two permanent moments on the stability of uniform rotations of the connected gyroscops of Lagrange.

Yu. M. Kononov, Ya. I. Sviatenko

4-12
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Mathematics

Cotransitive subsemigroups of the full transformation semigroup of finite set.

T. V. Voloshyna

13-19
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On conditions for the Brandt semigroup to be non-isomorphic to the variant.

O.O. Desiateryk

20-25
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Оn representations of doppelsemigroups.

Yu. V. Zhuchok

26-33
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On classification of generalized binary quasigroup functional equations of length five.

H. V. Krainichuk (Shelepalo)

34-45
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Symmetric equivalence of symmetric matrices over polynomial rings with involution.

M. I. Kuchma, H. V. Ivasyk

46-51
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On finite p-groups with non-dedekind norm of abelian non-cyclic subgroups.

T. D. Lukashova

52-57
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Central charge and topological invariant of Calabi-Yau manifolds.

T. V. Obikhod

58-65
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Classification of ternary quasigroups according to their parastrophic symmetry groups, II.

Yevhen Pirus

66-75
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Minimal generating set and a structure of the wreath product of groups, and the fundamental group of the orbit Morse function.

R. Skuratovskii, A. Williams

76-96
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On parastrophically primary non-equivalence of generalized ternary quasigroup functional equations of the type (5;3;0;0).

A. V. Tarasevych

97-107
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Blaschke-Privalov theorem for polyharmonic functions.

O. D. Trofymenko, A. V. Levchuk

108-114
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