1. On the Calculation of the T-Congruence Centralizer

   • Kh. D. Ikramov

   GENERAL NUMERICAL METHODS 29 April 2021 Pages: 347 - 350

2. Difference Schemes Based on the Laguerre Transform

   • A. F. Mastryukov

   GENERAL NUMERICAL METHODS 29 April 2021 Pages: 351 - 358

   

3. Dynamic Discrepancy Method in the Problem of Reconstructing the Input of a System with Time Delay Control

   • M. S. Blizorukova
   • V. I. Maksimov

   OPTIMAL CONTROL 29 April 2021 Pages: 359 - 367

4. Gradient Projection Method for a Class of Optimization Problems with a Constraint in the Form of a Subset of Points of a Smooth Surface

   • Yu. A. Chernyaev

   OPTIMAL CONTROL 29 April 2021 Pages: 368 - 375

5. Reduced SIR Model of COVID-19 Pandemic

   • S. I. Vinitsky
   • A. A. Gusev
   • G. Chuluunbaatar

   ORDINARY DIFFERENTIAL EQUATIONS 29 April 2021 Pages: 376 - 387

   

6. Inverse Problem of Determining the Absorption Coefficient in a Degenerate Parabolic Equation in the Class L _∞

   • V. L. Kamynin

   PARTIAL DIFFERENTIAL EQUATIONS 29 April 2021 Pages: 388 - 402

7. Bifurcations of Self-Oscillatory Solutions to a Nonlinear Parabolic Equation with a Rotating Spatial Argument and Time Delay

   • E. P. Kubyshkin
   • V. A. Kulikov

   PARTIAL DIFFERENTIAL EQUATIONS 29 April 2021 Pages: 403 - 423

   

8. Analytical Inversion of the Operator Matrix for the Problem of Diffraction by a Cylindrical Segment in Sobolev Spaces

   • S. I. Eminov

   PARTIAL DIFFERENTIAL EQUATIONS 29 April 2021 Pages: 424 - 430

9. Exact Solutions of the KdV Equation with Dual-Power Law Nonlinearity

   • Fibay Urbain
   • N. A. Kudryashov
   • Kofane Timoleon Crepin

   PARTIAL DIFFERENTIAL EQUATIONS 29 April 2021 Pages: 431 - 435

   

10. Analysis of Two-Fluid Plasma in the Electromagnetic Hydrodynamics Approximation and Discontinuous Structures in Their Solutions

    • I. B. Bakholdin

    MATHEMATICAL PHYSICS 29 April 2021 Pages: 436 - 452

    

11. On the Interaction of Relativistic Colliding Jets of Neutral Dense Plasma

    • S. L. Ginzburg
    • V. F. Dyachenko
    • N. N. Fimin

    MATHEMATICAL PHYSICS 29 April 2021 Pages: 453 - 469

    

12. Inviscid Suspension Flow along a Flat Boundary

    • O. B. Gus’kov

    MATHEMATICAL PHYSICS 29 April 2021 Pages: 470 - 479

    

13. Numerical Simulation of Two-Dimensional Gas Flows through Granular Phase Change Materials

    • N. A. Lutsenko
    • S. S. Fetsov

    MATHEMATICAL PHYSICS 29 April 2021 Pages: 480 - 493

    

14. The Effect of Weak Mutual Diffusion on Transport Processes in a Multiphase Medium

    • A. V. Nesterov

    MATHEMATICAL PHYSICS 29 April 2021 Pages: 494 - 503