Contents

Computational Mathematics and Mathematical Physics


Vol. 63, No. 8, 2023


General Numerical Methods

Generalization of the Fast Fourier Transform with a Constant Structure

M. S. Bespalov p. 1371  abstract

Approximation of Differential Operators with Boundary Conditions

V. P. Varin p. 1381  abstract

An Improved Difference Scheme for the Cauchy Problem in the Case of a Transport Equation

G. I. Shishkin and L. P. Shishkina p. 1401  abstract

On Simultaneous Determination of Thermal Conductivity and Volume Heat Capacity of Substance

A. Yu. Gorchakov and V. I. Zubov p. 1408  abstract


Ordinary Differential Equations

On Solutions of a Boundary Value Problem for a Second-Order Differential Equation with a Parameter and Discontinuous Right-Hand Side

O. V. Baskov and D. K. Potapov p. 1424  abstract


Partial Differential Equations

On Some Elliptic Boundary Value Problems in Conic Domains

V. B. Vasilyev p. 1437  abstract

Application of IBSEF Method to Chaffee–Infante Equation in (1 + 1) and (2 + 1) Dimensions

U. Demirbilek and Kh. R. Mamedov p. 1444  abstract

On the Uniqueness of Solutions to Systems of Linear Algebraic Equations Resulting from the Reduction of Linear Inverse Problems of Gravimetry and Magnetometry: a Local Case

I. I. Kolotov, D. V. Lukyanenko, I. E. Stepanova and A. G. Yagola p. 1452  abstract

Analogue of Kellogg’s Theorem for Piecewise Lyapunov Domains

A. P. Soldatov p. 1466  abstract


Mathematical Physics

Internal Gravity Waves from a Localized Source in Stratified Medium Flow with a Model Buoyancy Frequency Distribution

V. V. Bulatov and Yu. V. Vladimirov p. 1476  abstract

Simulation of Emission Processes in Strong Electromagnetic Fields

T. A. Kudryashova, S. V. Polyakov and N. I. Tarasov p. 1486  abstract

Error Estimation and Optimization of the Direct Simulation Monte Carlo Method Taking into Account Spatial Regularization

M. Yu. Plotnikov and E. V. Shkarupa p. 1499  abstract

Numerical Simulation of Phase Transfer during Cryosurgery for an Irregular Tumor using Hybrid Approach

Surabhi Nishad and Rama Bhargava p. 1511  abstract


Informatics

Constructing Estimates of Reachability Sets in Crowd Flows Modeling

M. V. Zaitseva and P. A. Tochilin p. 1527  abstract

On the Set of Stable Matchings in a Bipartite Graph

A. V. Karzanov p. 1540  abstract