Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65.

MATHEMATICS

5–21

Abdullayev Akmaljon A., Ergashev Tuhtasin G. Poincare-Tricomi problem for the equation of a mixed elliptico-hyperbolic type of second kind // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 5–21. DOI: 10.17223/19988621/65/1

22–29

Bayanova Nadezhda V., Zenkov Alexey V., Prusakova Galina V. On the theory of represantable varieties of lattice-ordered groups // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 22–29. DOI: 10.17223/19988621/65/2

30–52

Ivanov Dmitry Y. A refinement of the boundary element collocation method near the boundary of a two-dimensional domain using semianalytic approximation of the double layer heat potential // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 30–52. DOI: 10.17223/19988621/65/3

53–67

Tsydenov Bair O. A mathematical model for simulating the biogeochemical processes in a freshwater lake // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 53–67. DOI: 10.17223/19988621/65/4

MECHANICS

68–82

Valiev Azat A., Akhmetov Alfir T., Rakhimov Artur A. Unstable displacement in a plane-parallel microchannel // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 68–82. DOI: 10.17223/19988621/65/5

83–91

Gladkov Sergey O., Bogdanova Sofiya B. To the theory of motion of bodies with variable mass // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 83–91. DOI: 10.17223/19988621/65/6

92–97

Kalmova Mariya A., Ratmanova Olesya V. Analysis of interaction between solids of revolution and a beam corresponding to the Kelvin model // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 92–97. DOI: 10.17223/19988621/65/7

98–113

Pestrenin Valeriy M., Pestrenina Irena V., Landik Lidiya V. Restrictions on stress components and loads at the top of a four-corner pyramid with a rhombic base // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 98–113. DOI: 10.17223/19988621/65/8

114–123

Poteryaeva Valentina A. A mathematical model of a selective nanopore // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 114–123. DOI: 10.17223/19988621/65/9

124–136

Skripnyak Nataliya V., Iokhim Kristina V. Effect of grain size distribution on the strength and strain properties of Zr-Nb alloys under tension at high strain rates // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 124–136. DOI: 10.17223/19988621/65/10

137–147

Turubaev Roman R., Shvab Aleksandr V. Numerical study of swirling turbulent flow aerodynamics and classification of particles in a vortex chamber of a centrifugal machine // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 137–147. DOI: 10.17223/19988621/65/11

MEMOIRS, MEMORABLE DATES, PERSONALITIES

148–156

Malyutina Alexandra N., Mikhaylov Mikhail D. The knight of science Viktor Andreevich Toponogov // Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2020. № 65. P. 148–156. DOI: 10.17223/19988621/65/12