Vol. 18 No. 2 (2026)

Published: 2026-05-29

Full Issue

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Mathematics

Ambivalence in the Assignment of Project Executors

Yuriy Vladimirovich Bugaev, Andrey Vladimirovich Kalach, Boris Egorovich Nikitin, Irina Yur'evna Shurupova

5-16
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Green's Function of the Dirichlet-2 Problem for the 4-Harmonic Equation in a Ball

Valeriy Valentinovich Karachik

17-27
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A Study of a Mixed Control Problem for a Leontiev-Type Semilinear System

Alevtina Viktorovna Keller, Igor Mikhailovich Manakov

28-32
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Estimation of the Time of Setting Steady-State Conditions for Newtonian Fluid Pressure Flow through a Flat Porous Layer

Aleksandr Viktorovich Ryazhskikh, Viktor Ivanovich Ryazhskikh

33-38
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Application of Graph Neural Networks for Calculating Steady-State Modes of Electrical Power Systems

Vladimir Anatol'evich Surin, Sergey Eduardovich Ivanov, Maksim Eduardovich Ivanov, Maksim Eduardovich Ivanov, Valeriy Ivanovich Safonov, Sergey Pavlovich Kulik, Nikolay Vladimirovich Maletin

39-46
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Functions of Random Variables with a Distribution of the Hyperbolic Cosine Type and Methods for Evaluating Integrals of a Certain Class

Mikhail Stepanovich Tokmachev

47-56
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Mechanics

Determination of the Ultimate Fracture Deformations of Heterogeneous Materials under the Conditions of High-Speed Interaction

Aleksandr Evgen'evich Kraus

57-68
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Predicting the Failure of Viscoelastic-Plastic Structures During Long-Term Operation

Yuriy Semenovich Nayshtut, Vladimir Alekseevich Grachev

69-76
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Hybrid Model of Large Deformations under Dynamic Impact on Coal Seams

Ivan Evgen'evich Shipovskii

77-85
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Physics

Surface Plasmon Polaritons Excitation in 2d Gold-Based Nanoresonators of Various Geometries by a Point Source

Marina Antonovna Zagrebina

86-93
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