Vol. 62, No. 5, 2022

Computational Mathematics and Mathematical Physics

General Numerical Methods

On the Best Approximation Algorithm by Low-Rank Matrices in Chebyshev’s Norm

N. L. Zamarashkin, S. V. Morozov and E. E. Tyrtyshnikov p. 701 abstract

Algorithm for Separating Matrix Spectrum by an Angle

E. A. Biberdorf p. 719 abstract

On Pairs of Symmetric Toeplitz Matrices Whose Squares Are Identical

V. N. Chugunov p. 733 abstract

Optimal Control

Reconstruction of Input Disturbances in Parabolic Inclusions Unsolved for the Derivative

V. I. Maksimov p. 744 abstract

Continuous Projection Generalized Extra-Gradient Quasi-Newton Second-Order Method for Solving Saddle Point Problems

V. G. Malinov p. 753 abstract

Ordinary Differential Equations

Third- and Fourth-Order ESDIRK Methods for Stiff and Differential-Algebraic Problems

L. M. Skvortsov p. 766 abstract

Partial Differential Equations

Solution of the Exterior Boundary Value Problem for the Helmholtz Equation Using Overlapping Domain Decomposition

A. V. Petukhov and A. O. Savchenko p. 784 abstract

On the Solution of a Conformal Mapping Problem by Means of Weierstrass Functions

M. Smirnov p. 797 abstract

Analysis of Approximate Solution for a Class of Systems of Integral Equations

E. H. Khalilov p. 811 abstract

Mathematical Physics

Solution of the Two-Dimensional Inverse Problem of Quasistatic Elastography with the Help of the Small Parameter Method

A. S. Leonov, N. N. Nefedov, A. N. Sharov and A. G. Yagola p. 827 abstract

Analytical Solutions of Model Kinetic Radiative Transfer Equations and Energy Equation

N. Ya. Moiseev and V. M. Shmakov p. 834 abstract

Simulation of a Cylindrical Slow Extraordinary Wave in Cold Magnetoactive Plasma

A. A. Frolov and E. V. Chizhonkov p. 845 abstract

Errata

Erratum to: Semi-Implicit and Semidiscrete Difference Schemes for Solving a Nonstationary Kinetic Equation of Thermal Radiative Transfer and Energy Equation

N. Ya. Moiseev and V. M. Shmakov p. 861 abstract