Vol. 60, No. 9, 2020

Computational Mathematics and Mathematical Physics

Gradient Projection Method on Matrix Manifolds

M. V. Balashov p. 1403 abstract

A New View of Some Fundamental Results in Optimization

Yu. G. Evtushenko and A. A. Tret’yakov p. 1412 abstract

Testing a New Conservative Method for Solving the Cauchy Problem for Hamiltonian Systems on Test Problems

P. A. Aleksandrov and G. G. Elenin p. 1422 abstract

On Solutions of Elliptic Systems with a Jump at the Boundary

A. O. Bagapsh p. 1445 abstract

Analytical-Numerical Study of Finite-Time Blow-up of the Solution to the Initial-Boundary Value Problem for the Nonlinear Klein–Gordon Equation

M. O. Korpusov, A. N. Levashov and D. V. Lukyanenko p. 1452 abstract

On a Periodic Inner Layer in the Reaction–Diffusion Problem with a Modular Cubic Source

N. N. Nefedov, E. I. Nikulin and A. O. Orlov p. 1461 abstract

Analytical Study on the Generalized Fifth-Order Kaup–Kupershmidt Equation from the Shallow Water Wave

Pan Wang, Jian-Rong Yang, Li Chen, Sheng-Xin Li and Feng-Hua Qi p. 1480 abstract

Numerical Method for Solving a System of Kinetic Equations Describing the Behavior of a Nonideal Gas

M. V. Abgaryan, A. M. Bishaev and V. A. Rykov p. 1488 abstract

Dynamics of an Elastic Punch on an Elastic Half-Plane with Crack Formation

L. A. Alexeyeva, T. B. Duishenaliyev and B. T. Sarsenov p. 1499 abstract

Total Approximation Method for an Equation Describing Droplet Breakup and Freezing in Convective Clouds

B. A. Ashabokov, A. Kh. Khibiev and M. Kh. Shkhanukov-Lafishev p. 1518 abstract

Modeling of the Turbulent Poiseuille–Couette Flow in a Flat Channel by Asymptotic Methods

V. B. Zametaev p. 1528 abstract

Boundary Conditions for Modeling the Impact of Wheels on Railway Track

A. A. Kozhemyachenko, I. B. Petrov, A. V. Favorskaya and N. I. Khokhlov p. 1539 abstract

Determination of Compactly Supported Sources for the One-Dimensional Heat Equation

V. V. Solov’ev p. 1555 abstract

Multicriteria Competitive Games as Models in Operations Research

E. M. Kreines, N. M. Novikova and I. I. Pospelova p. 1570 abstract