Trudy Instituta Matematiki i Mekhaniki UrO RAN: Latest issue http://www.mathnet.ru/eng/timm 2026, Volume 32, Issue Number 1 en-gb Copyright 2026, Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences Thu, 26 Mar 2026 00:00:00 +0300 math-net2026_06@mi-ras.ru tche@mi-ras.ru Trudy Instituta Matematiki i Mekhaniki UrO RAN http://www.mathnet.ru/JrnLogos/timm/cover31_1.jpg http://www.mathnet.ru/eng/timm To the 85th anniversary of the birth of Vitaly Leonidovich Gasilov V. I. Berdyshev, V. B. Kostousov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 7--26 http://mi.mathnet.ru/eng/timm2232 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2232 Value function of the optimal control problem for nonlocal balance equation Y. V. Averboukh Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 27--43 http://mi.mathnet.ru/eng/timm2233 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 26 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2233 Methods with adaptive averaging domain for localizing fractal break lines A. L. Ageev, T. V. Antonova Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 44--60 http://mi.mathnet.ru/eng/timm2234 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2234 Motion of a two-dimensional mechanical system near a singular square S. N. Bur'yan Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 61--76 http://mi.mathnet.ru/eng/timm2235 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2235 On some solutions of the Euler and Navier--Stokes equations for an incompressible fluid V. A. Galkin Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 77--87 http://mi.mathnet.ru/eng/timm2236 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2236 Properties of random stochastic matrices in the detection problem for a small signal-to-noise ratio A. A. Galyaev, L. M. Berlin, P. V. Lysenko, V. G. Babikov, A. P. Potapov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 88--104 http://mi.mathnet.ru/eng/timm2237 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2237 On chief series of parabolic maximal subgroups of finite simple groups of exceptional Lie type A. S. Kondrat'ev, V. V. Korableva, V. I. Trofimov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 105--121 http://mi.mathnet.ru/eng/timm2238 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2238 Numerical simulation of the problem of recovering model parameters based on irregular data A. I. Korotkii, I. A. Tsepelev Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 122--130 http://mi.mathnet.ru/eng/timm2239 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2239 On recognition by Gruenberg--Kegel graph of finite nonabelian simple groups with orders having prime divisors at most $13$ N. V. Maslova, L. G. Nechitailo Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 131--145 http://mi.mathnet.ru/eng/timm2240 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 26 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2240 Tight integral frames and similarity conditions of reproducing kernel Hilbert spaces V. V. Napalkov, A. A. Nuyatov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 146--163 http://mi.mathnet.ru/eng/timm2241 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2241 Two-dimensional reachable set of Dubins car with impulse control V. S. Patsko, G. I. Trubnikov, A. A. Fedotov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 164--182 http://mi.mathnet.ru/eng/timm2242 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2242 Study of the existence and uniqueness of a bounded solution of a system of nonlinear multidimensional integral equations in the critical case H. S. Petrosyan, Kh. A. Khachatryan Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 183--196 http://mi.mathnet.ru/eng/timm2243 Wed, 25 Mar 2026 00:00:00 +0300 Wed, 18 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2243 Refined conjugate generation in sporadic groups D. O. Revin, A. V. Zavarnitsine Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 197--205 http://mi.mathnet.ru/eng/timm2244 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 19 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2244 Modified linear tangent law in synthesis form for accounting for a phase constraint and disturbance S. A. Reshmin, A. V. Artsibasov, Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 206--223 http://mi.mathnet.ru/eng/timm2245 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 26 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2245 Analysis of the mathematical model of a moment continuum that takes into account the irreversible deformation of a structurally inhomogeneous material V. M. Sadovskii Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 224--235 http://mi.mathnet.ru/eng/timm2246 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 26 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2246 Minimal 4-generated lattices not close to distributive ones K. V. Selivanov Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 236--262 http://mi.mathnet.ru/eng/timm2247 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 19 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2247 Composite $RR$-polytopes with conditional edges V. I. Subbotin Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 263--272 http://mi.mathnet.ru/eng/timm2248 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 19 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2248 Comparison of Pade and polynomial approximations for solutions of the Poisson equation V. P. Shapeev, B. V. Semisalov, L. I. Kutkin Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 273--285 http://mi.mathnet.ru/eng/timm2249 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 19 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2249 On identification of initial conditions in the inverse heat conduction problem N. M. Yaparova Trudy Inst. Mat. i Mekh. UrO RAN, 2026, 32:1, 286--295 http://mi.mathnet.ru/eng/timm2250 Wed, 25 Mar 2026 00:00:00 +0300 Thu, 19 Mar 2026 00:00:00 +0300 http://mi.mathnet.ru/eng/timm2250