Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy: Latest issue http://www.mathnet.ru/eng/vspua 2025, Volume 12, Issue Issue 2 en-gb Copyright 2026, Mon, 11 Aug 2025 00:00:00 +0300 math-net2026_03@mi-ras.ru tche@mi-ras.ru Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy http://www.mathnet.ru/JrnLogos/vspua/vspua.jpg http://www.mathnet.ru/eng/vspua Mathematical modeling of nonequilibrium processes on chair of physical mechanics of St. Petersburg State University. Part 2. Modeling of processes in plasma E. K. Kolesnikov, A. B. Yakovlev Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 203--227 http://mi.mathnet.ru/eng/vspua351 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua351 Astronomical research at the mathematics faculty of St. Petersburg University. II V. B. Il'in, S. S. Savchenko, D. A. Morozova, E. V. Shishkina Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 228--255 http://mi.mathnet.ru/eng/vspua352 Mon, 11 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua352 An example of complete alternance in multidimensional case V. N. Malozemov, A. V. Plotkin Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 256--268 http://mi.mathnet.ru/eng/vspua353 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua353 The Manakov system and Fuchsian equations A. O. Smirnov, D. V. Sugak Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 269--285 http://mi.mathnet.ru/eng/vspua354 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua354 On the Borel-Cantelli lemma and its dynamical forms for transformations of intervals A. N. Frolov Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 286--298 http://mi.mathnet.ru/eng/vspua355 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua355 On some conditions for rationally-infinite divisibility of discrete distributions A. A. Khartov, I. S. Kharchenkov Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 299--314 http://mi.mathnet.ru/eng/vspua356 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua356 $D$-optimal designs for a multidimensional polynomial model P. V. Shpilev, E. S. Kucha Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 315--324 http://mi.mathnet.ru/eng/vspua357 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua357 A $q$-generalization of class $R$ S. Verma, R. Kumar, J. Sokol, S. Singh Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 325--336 http://mi.mathnet.ru/eng/vspua358 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua358 Some new infinite families of congruences and recurrence relations for the coefficients of a third order mock theta function S. Biswas, N. Saikia Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 337--349 http://mi.mathnet.ru/eng/vspua359 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua359 Application of Gauss-Lucas theorem to the inequalities for polynomials M. Yu. Mir, W. M. Shah Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 350--357 http://mi.mathnet.ru/eng/vspua360 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua360 On the problem of non-stationary contact problems V. A. Babeshko, O. V. Evdokimova, V. S. Evdokimov, O. M. Babeshko Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 358--367 http://mi.mathnet.ru/eng/vspua361 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua361 Aggregation of conservative systems into the chain with an attractive cycle I. N. Barabanov, V. N. Tkhai Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 368--376 http://mi.mathnet.ru/eng/vspua362 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua362 Five means of approximation of critical values of the damping coefficient in the no-current model of the synchronous electric motor B. I. Konosevich, Yu. B. Konosevich Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 377--392 http://mi.mathnet.ru/eng/vspua363 Mon, 11 Aug 2025 00:00:00 +0300 Tue, 05 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua363 Numerical solution of Couette problem for monoatomic gas flow in slip regime M. M. Norkin, L. A. Shakurova, E. V. Kustova Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 393--406 http://mi.mathnet.ru/eng/vspua364 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua364 Damped vibrations of inhomogeneous composite box rods V. M. Ryabov, B. A. Yartsev, L. V. Parshina Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 407--418 http://mi.mathnet.ru/eng/vspua365 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua365 Stability of floating bodies with movable load A. S. Smirnov, D. V. Morozov Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 419--430 http://mi.mathnet.ru/eng/vspua366 Mon, 11 Aug 2025 00:00:00 +0300 Thu, 07 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua366 By the Day of Mathematics Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 431--432 http://mi.mathnet.ru/eng/vspua367 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua367 On the 80th anniversary of Alexander I. Shepeljavyi Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 433--434 http://mi.mathnet.ru/eng/vspua368 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua368 In memoriam of Igor M. Zil'berbord (1974-2024) Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 2025, 12:2, 435--436 http://mi.mathnet.ru/eng/vspua369 Mon, 11 Aug 2025 00:00:00 +0300 Mon, 11 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/vspua369