1. Local Derivations and Automorphisms of Direct Sum Null-Filiform Leibniz Algebras

   • J. Q. Adashev
   • B. B. Yusupov

   OriginalPaper 17 March 2023 Pages: 3407 - 3413

2. The Interrelation of Motions of Dynamical Systems in a Metric Space

   • A. P. Afanas’ev
   • S. M. Dzyuba

   OriginalPaper 17 March 2023 Pages: 3414 - 3419

3. An Intelligent Choice of Witnesses in the Miller–Rabin Primality Test. Reinforcement Learning Approach

   • N. Antonov
   • Sh. Ishmukhametov

   OriginalPaper 17 March 2023 Pages: 3420 - 3429

   

4. On a General Method of Constructing Post Reducibilities and the Corresponding Completeness Criteria

   • M. M. Arslanov

   OriginalPaper 17 March 2023 Pages: 3430 - 3434

5. Development of the Semantic Space ‘‘Mathematics’’ by Integrating a Subspace of Its Applied Area

   • O. M. Ataeva
   • V. A. Serebryakov
   • N. P. Tuchkova

   OriginalPaper 17 March 2023 Pages: 3435 - 3446

   

6. On the Existence and Uniqueness of Meromorphic Solutions of \(\boldsymbol{m}\)th Order Schwarzian Difference Equation

   • T. Biswas
   • A. Banerjee

   OriginalPaper 17 March 2023 Pages: 3447 - 3459

7. The Existence and Asymptotics of Eigenvalues of Schrödinger Operator on Two Dimensional Lattices

   • A. T. Boltaev
   • F. M. Almuratov

   OriginalPaper 17 March 2023 Pages: 3460 - 3470

8. Numerical Simulation of Wave Propagation in a Fractured Porous Medium

   • A. A. Gubaidullin
   • O. Yu. Boldyreva
   • D. N. Dudko

   OriginalPaper 17 March 2023 Pages: 3471 - 3477

   

9. Study of Instability for One-Dimensional Dynamic Equilibrium States of Self-Gravitating Vlasov–Poisson Gas

   • Yu. G. Gubarev
   • S. Sun

   OriginalPaper 17 March 2023 Pages: 3478 - 3485

10. The Number of Eigenvalues of the Three-Particle Schrödinger Operator on Three Dimensional Lattice

    • A. M. Khalkhuzhaev
    • J. I. Abdullaev
    • J. Kh. Boymurodov

    OriginalPaper 17 March 2023 Pages: 3486 - 3495

11. Filtration Model of a Blood Flow in the Circulatory System at the Risk of Clot Breakage

    • M. G. Khramchenkov
    • V. M. Konyukhov
    • T. R. Zakirov

    OriginalPaper 17 March 2023 Pages: 3496 - 3503

    

12. OntoMath\({}^{\mathbf{PRO}}\) 2.0 Ontology: Updates of Formal Model

    • A. V. Kirillovich
    • O. A. Nevzorova
    • E. K. Lipachev

    OriginalPaper 17 March 2023 Pages: 3504 - 3514

    

13. Discussion about Properties of First Nearest Neighbor Graphs

    • A. A. Kislitsyn
    • Yu. N. Orlov

    OriginalPaper 17 March 2023 Pages: 3515 - 3524

    

14. On the Spectrum of the One-Particle Schrödinger Operator with Point Interaction

    • Utkir Kulzhanov
    • Z. I. Muminov
    • Golibjon Ismoilov

    OriginalPaper 17 March 2023 Pages: 3525 - 3531

15. Algebras of Binary Formulas for Weakly Circularly Minimal Theories with Non-Trivial Definable Closure

    • B. Sh. Kulpeshov
    • S. V. Sudoplatov

    OriginalPaper 17 March 2023 Pages: 3532 - 3540

16. On the Number and Location of Eigenvalues of the Two Particle Schrödinger Operator on a Lattice

    • S. N. Lakaev
    • Sh. I. Khamidov

    OriginalPaper 17 March 2023 Pages: 3541 - 3551

17. Matiyasevich Formula for Chromatic and Flow Polynomials and Feynman Amplitudes

    • E. Yu. Lerner
    • S. A. Mukhamedjanova

    OriginalPaper 17 March 2023 Pages: 3552 - 3561

    

18. Airfoil Equilibrium Stability Conditions in the Flow

    • I. K. Marchevsky
    • V. D. Karabanova
    • V. E. Martynova

    OriginalPaper 17 March 2023 Pages: 3562 - 3572

    

19. On the Conditions at the Interface Between Homogeneous and Porous Environments for the Stokes–Darcy Problem

    • R. F. Mardanov
    • V. F. Sharafutdinov
    • S. K. Zaripov

    OriginalPaper 17 March 2023 Pages: 3573 - 3582

    

20. Pseudofinite Formulae

    • N. D. Markhabatov
    • S. V. Sudoplatov

    OriginalPaper 17 March 2023 Pages: 3583 - 3590

21. RSA Cryptosystem for Rings with Commuting Ideals

    • M. F. Nasrutdinov
    • S. N. Tronin

    OriginalPaper 17 March 2023 Pages: 3591 - 3596

22. Analysis of the Cluster Structure of Collections of Mathematical Papers with Different UDC Codes

    • O. A. Nevzorova
    • B. T. Gizatullin

    OriginalPaper 17 March 2023 Pages: 3597 - 3604

    

23. Well-Posedness of a Problem of Solving Some Classes of Integral Equations of the First Kind

    • A. V. Ozhegova
    • L. E. Khairullina

    OriginalPaper 17 March 2023 Pages: 3605 - 3615

24. A \(\boldsymbol{(p(x),q(x))}\)-Laplacian Problem with the Steklov Boundary Conditions

    • A. Razani
    • F. Safari

    OriginalPaper 17 March 2023 Pages: 3616 - 3625

25. Accuracy of the SMC\({}^{\prime}\) Approximation of Structured Coalescent

    • V. Shchur

    OriginalPaper 17 March 2023 Pages: 3626 - 3630

    

26. Radical Transversal Screen Cauchy–Riemann Lightlike Submersions

    • S. S. Shukla
    • Shivam Omar
    • Sarvesh Kumar Yadav

    OriginalPaper 17 March 2023 Pages: 3631 - 3640

27. Inverse Problems for a Three-Dimensional Equation of Parabolic-Hyperbolic Type in Finding Time-Dependent Factors of the Right-Hand Sides

    • S. N. Sidorov

    OriginalPaper 17 March 2023 Pages: 3641 - 3657

28. The Number of Fragments of the Perfect Class of the Jonsson Spectrum

    • A. R. Yeshkeyev
    • O. I. Ulbrikht
    • M. T. Omarova

    OriginalPaper 17 March 2023 Pages: 3658 - 3673

29. Periodic Solutions of Second Order Impulsive System for an Integro-Differential Equations with Maxima

    • T. K. Yuldashev
    • F. U. Sulaimonov

    OriginalPaper 17 March 2023 Pages: 3674 - 3685

30. Determination of a Representative Elementary Volume for Flow Characteristics of Heterogeneous Digital Cores Using Statistics

    • T. R. Zakirov
    • M. G. Khramchenkov
    • I. V. Konyukhov

    OriginalPaper 17 March 2023 Pages: 3686 - 3695