Vol. 104, No. 1, 2021

Doklady Mathematics

Critical Values of Finite Blaschke Products

Corresponding Member of the RAS V. N. Dubinin p. 163 abstract

A New Class of Lyapunov Functions for Stability Analysis of Singular Dynamical Systems. Elements of p-Regularity Theory

Academician of the RAS Yu. G. Evtushenko and A. A. Tret’yakov p. 165 abstract

Sharp Dimension Estimates for the Attractors of the Regularized Damped Euler System

S. V. Zelik, A. A. Ilyin and A. G. Kostianko p. 169 abstract

Asymptotics of the Independence Number of a Random Subgraph of the Graph G(n, r, < s)

V. S. Karas, P. A. Ogarok and A. M. Raigorodskii p. 173 abstract

Symplectic Geometry of the Koopman Operator

Academician of the RAS V. V. Kozlov p. 175 abstract

On a Strengthening of the Non-Isomorphism Theorem for Provability Algebras

E. A. Kolmakov p. 180 abstract

On the Correct Solvability of the Dirichlet Boundary Value Problem for the Generalized Helmholtz Equation in a Strip

V. A. Kostin, D. V. Kostin and A. V. Kostin p. 184 abstract

Application of Special Function Spaces to the Study of Nonlinear Integral Equations Arising in Equilibrium Spatial Logistic Dynamics

M. V. Nikolaev, U. Dieckmann and A. A. Nikitin p. 188 abstract

Estimate of the Number of Edges in Subgraphs of a Johnson Graph

F. A. Pushnyakov and A. M. Raigorodskii p. 193 abstract

Covering Planar Sets

A. D. Tolmachev and D. S. Protasov p. 196 abstract

Reachable Sets and Integral Funnels of Differential Inclusions Depending on a Parameter

Corresponding Member of the RAS V. N. Ushakov and A. A. Ershov p. 200 abstract

Operator Estimates for the Steklov Problem in an Unbounded Domain with Rapidly Changing Conditions on the Boundary

A. G. Chechkina p. 205 abstract

On One Approach to the Numerical Solution of a Coefficient Inverse Problem

A. F. Albu, Academician of the RAS Yu. G. Evtushenko and V. I. Zubov p. 208 abstract

Two-Level Regression Method Using Ensembles of Trees with Optimal Divergence

Academician of the RAS Yu. I. Zhuravlev, O. V. Senko, A. A. Dokukin, N. N. Kiselyova and I. A. Saenko p. 212 abstract

Suppression of Multiplicative Noise in Images via Grouping of Similar Objects

V. F. Kravchenko, V. I. Ponomaryov, Academician of the RAS V. I. Pustovoit and G. Aranda Bojorges p. 216 abstract

Optimal Trajectory of an Observer Tracking the Motion of an Object Equipped with a Striking Device

Academicain of the RAS V. I. Berdyshev p. 221 abstract