Contents

Computational Mathematics and Mathematical Physics


Vol. 65, No. 7, 2025


GENERAL NUMERICAL METHODS

Eigenvalues of Non-Hermitian Banded Toeplitz Matrices Approaching Simple Points of the Limiting Set

M. Bogoya, and S. M. Grudsky p. 1453  abstract


GENERAL NUMERICAL METHODS

Rational Coefficients of Orthogonal Expansions of Some Functions

V. P. Varin p. 1472  abstract

Symmetric Triangular Factorization for Approximating Solutions of the Quadratic Assignment Problem

I. E. Kaporin p. 1487  abstract

Adaptive Block Algebraic Multigrid Method for Multiphysics Problems

I. N. Konshin, and K. M. Terekhov p. 1495  abstract

Application of Quadrature Formulas for a Single-Layer Potential for an Exterior Neumann Problem

P. A. Krutitskii, and I. O. Reznichenko p. 1520  abstract


GENERAL NUMERICAL METHODS

K-Optimal Preconditioners Based on Approximation of Inverse Matrices

I. V. Oseledets, and E. A. Muravleva p. 1535  abstract

Application of the Finite Element Method (FEM) to a Class of Nonlocal Elliptic and Parabolic Equations

A. Slimani, Y. Bedrani, and T. Belhadi p. 1548  abstract

Block Generalized Minimal Residual Method

S. V. Sukmaniuk, and D. A. Zheltkov p. 1566  abstract


GENERAL NUMERICAL METHODS

Constructing Circulants and Skew-Circulants with Prescribed Properties

V. N. Chugunov, and Kh. D. Ikramov p. 1582  abstract


OPTIMAL CONTROL

Tensor Cross Interpolation for Global Discrete Optimization with Application to Bayesian Network Inference

S. Dolgov, and D. Savostyanov p. 1591  abstract


OPTIMAL CONTROL

Adaptive Primal–Dual Methods with an Inexact Oracle for Relatively Smooth Optimization Problems and Their Applications to Recovering Low-Rank Matrices

O. S. Savchuk, F. S. Stonyakin, A. A. Vyguzov, M. S. Alkousa, and A. V. Gasnikov p. 1605  abstract


ORDINARY DIFFERENTIAL EQUATION

Solvability and Properties of Singular Points of Linear Volterra Integro-Algebraic Equations

V. F. Chistyakov, and E. V. Chistyakova p. 1628  abstract


PARTIAL DIFFERENTIAL EQUATIONS

On Variational Formulations of Inverse Coefficient Problems in Magnetic Hydrodynamics

I. E. Stepanova, I. I. Kolotov, A. V. Shchepetilov, A. G. Yagola, and A. N. Levashov p. 1646  abstract

Analytic Solutions to the (3+1)-Dimensional Modified Korteweg–de Vries–Zakharov–Kuznetsov Equation in a Plasma by Means of Homotopy Analysis Method

H. Wang p. 1659  abstract


MATHEMATICAL PHYSICS

Fast Numerical Method for Source Function Reconstruction in the Coagulation–Fragmentation Equation

R. T. Zaks, S. A. Matveev, and V. P. Shutyaev p. 1671  abstract

Application of Mosaic-Skeleton Approximations of Matrices in Electromagnetic Scattering Problems

A. V. Setukha, S. L. Stavtsev, S. N. Fetisov, and A. N. Mukhin p. 1691  abstract

Study of Resonance Properties of Paired Nanoparticles with Mesoscopic Boundary Conditions by the Discrete Source Method

Yu. A. Eremin, and V. V. Lopushenko p. 1709  abstract

On Hyperbolization of a Single-Pressure Gas Suspension Model

V. S. Surov p. 1718  abstract