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JOURNALS // Doklady Rossijskoj Akademii Nauk. Mathematika, Informatika, Processy Upravlenia // Archive

2021, Volume 501


MATHEMATICS
On stable random variables with a complex stability index
I. A. Alekseev
5
Uniqueness of a probability solution to the Kolmogorov equation with a diffusion matrix satisfying Dini’s condition
V. I. Bogachev, S. V. Shaposhnikov
11
On the spectrum of a non-self-adjoint quasiperiodic operator
D. I. Borisov, A. A. Fedotov
16
Local Marchenko–Pastur law for sparse rectangular random matrices
F. Götze, D. A. Timushev, A. N. Tikhomirov
22
On the maximal cut in a random hypergraph
P. A. Zakharov, D. A. Shabanov
26
Properties of an aggregated quasi-gasdynamic system of equations for a homogeneous gas mixture
A. A. Zlotnik, A. S. Fedchenko
31
On a family of complex-valued stochastic processes
I. A. Ibragimov, N. V. Smorodina, M. M. Faddeev
38
Proof of stability in the Brower–Paul problem
A. P. Ivanov
42
Dependence of the dynamics of a model of coupled oscillators on the number of oscillators
A. A. Kashchenko
46
Construction of families of equations to describe irregular solutions in the Fermi–Pasta–Ulam problem
S. A. Kaschenko
52
Mathematical structures related to the description of quantum states
V. V. Kozlov, O. G. Smolyanov
57
Application of the CABARET scheme for calculating discontinuous solutions of a hyperbolic system of conservation laws
V. V. Ostapenko, V. A. Kolotilov
62
Hybrid grid-characteristic schemes for arctic seismic problems
I. B. Petrov, V. I. Golubev, E. K. Guseva
67
Mathematical modeling of neo-Hookean material growth
P. I. Plotnikov
74
Phaseless problem of determination of anisotropic conductivity in electrodynamic equations
V. G. Romanov
79
Quotients of Severi–Brauer surfaces
A. S. Trepalin
84
Tensor invariants of geodesic, potential, and dissipative systems on tangent bundles of two-dimensional manifolds
M. V. Shamolin
89

CONTROL PROCESSES
Trajectory of an observer tracking the motion of an object around a convex set in $\mathbb{R}^3$
V. I. Berdyshev
95


© Steklov Math. Inst. of RAS, 2026