1. On a Polynomial Version of the Sum-Product Problem for Subgroups

   • S. A. Aleshina
   • I. V. V’yugin

   Research Articles 10 March 2023 Pages: 3 - 9

2. On Lattice Properties of the Lorentz Spaces \(L_{p,q}\)

   • S. V. Astashkin

   Research Articles 10 March 2023 Pages: 10 - 17

3. Embeddings of Spaces of Functions of Positive Smoothness on a Hölder Domain in Lebesgue Spaces

   • O. V. Besov

   Research Articles 10 March 2023 Pages: 18 - 26

4. On the Connection between the Growth of Zeros and the Decrease of Taylor Coefficients of Entire Functions

   • G. G. Braichev

   Research Articles 10 March 2023 Pages: 27 - 38

5. Perturbed Toeplitz Matrices and Their LU-Decompositions

   • Wenchang Chu
   • Emrah Kılıç

   Research Articles 10 March 2023 Pages: 39 - 48

6. Spectral Synthesis on the Reduced Heisenberg Group

   • V. V. Volchkov
   • Vit. V. Volchkov

   Research Articles 10 March 2023 Pages: 49 - 58

7. On Orthogonally Additive Operators in Lattice-Normed Spaces

   • N. A. Dzhusoeva
   • S. Yu. Itarova

   Research Articles 10 March 2023 Pages: 59 - 71

8. Solution Blow-Up for a Fractional Fourth-Order Equation of Moore–Gibson–Thompson Type with Nonlinearity Nonlocal in Time

   • F. Mesloub
   • A. Merah
   • S. Boulaaras

   Research Articles 10 March 2023 Pages: 72 - 79

9. Short Complete Diagnostic Tests for Circuits Implementing Linear Boolean Functions

   • K. A. Popkov

   Research Articles 10 March 2023 Pages: 80 - 92

   

10. Determination of the Heat Transfer Coefficient in Mathematical Models of Heat and Mass Transfer

    • S. G. Pyatkov
    • V. A. Baranchuk

    Research Articles 10 March 2023 Pages: 93 - 108

11. Influence of Conjugacy Class Sizes of Some Elements on the Structure of a Finite Group

    • Ruifang Chen
    • Xianhe Zhao

    Research Articles 10 March 2023 Pages: 109 - 115

12. Optimal Recovery Methods Exact on Trigonometric Polynomials for the Solution of the Heat Equation

    • S. A. Unuchek

    Research Articles 10 March 2023 Pages: 116 - 128

    

13. The Structure of Finite Groups with an \(\mathcal M\)-Permutable Sylow Subgroup

    • Yuyun Wang
    • Wei Liu
    • Xindan Chen

    Research Articles 10 March 2023 Pages: 129 - 137

14. Homogenization of Operators with Perturbations of General Form in the Lower-Order Terms

    • D. I. Borisov

    Short Communications 10 March 2023 Pages: 138 - 142

15. Logan–Hermite Extremal Problems for Entire Functions of Exponential Type

    • D. V. Gorbachev
    • V. I. Ivanov

    Short Communications 10 March 2023 Pages: 143 - 148

16. On the Derived Category of the Cayley Grassmannian

    • L. A. Guseva

    Short Communications 10 March 2023 Pages: 149 - 153

17. Measure of Images of Contact Mappings on Two-Step Sub-Lorentzian Structures

    • M. B. Karmanova

    Short Communications 10 March 2023 Pages: 154 - 158

18. Sub-Lorentzian Problem on the Heisenberg Group

    • Yu. L. Sachkov
    • E. F. Sachkova

    Short Communications 10 March 2023 Pages: 159 - 162

19. Density of Zeros of the Cartwright Class Functions and the Helson–Szegő Type Condition

    • S. A. Avdonin
    • S. A. Ivanov

    Research Articles 10 March 2023 Pages: 165 - 171

20. Infinitely Many Solutions for a Class of Kirchhoff Problems Involving the \(p(x)\)-Laplacian Operator

    • A. Ghanmi
    • L. Mbarki
    • K. Saoudi

    Research Articles 10 March 2023 Pages: 172 - 181

21. On the Homogeneity of Products of Topological Spaces

    • A. Yu. Groznova

    Research Articles 10 March 2023 Pages: 182 - 190

22. Truncated Sharing of Subsets and Uniqueness of \(L\)-Functions in the Extended Selberg Class

    • Ha Huy Khoai
    • Vu Hoai An
    • Pham Ngoc Hoa

    Research Articles 10 March 2023 Pages: 191 - 199

23. On a Problem of V. V. Nemytskii

    • B. S. Kalitine

    Research Articles 10 March 2023 Pages: 200 - 211

    

24. System of Inequalities in Continued Fractions from Finite Alphabets

    • I. D. Kan
    • G. Kh. Solovyov

    Research Articles 10 March 2023 Pages: 212 - 219

25. Instability of Equilibria in a Solenoidal Force Field

    • V. V. Kozlov

    Research Articles 10 March 2023 Pages: 220 - 227

26. Asymptotics of Solutions of Two-Term Differential Equations

    • N. N. Konechnaja
    • K. A. Mirzoev
    • A. A. Shkalikov

    Research Articles 10 March 2023 Pages: 228 - 242

27. Harmonicity of Slant Conformal Riemannian Maps

    • R. Kaushal
    • R. Kumar
    • R. Rani

    Research Articles 10 March 2023 Pages: 243 - 254

28. On Quantities of the Type of Modulus of Continuity and Analogs of \(K\)-Functionals in the Spaces \(S^{(p,q)}(\sigma^{m-1})\)

    • R. A. Lasuriya

    Research Articles 10 March 2023 Pages: 255 - 266

29. Finite-Dimensional Reduction of Systems of Nonlinear Diffusion Equations

    • A. V. Romanov

    Research Articles 10 March 2023 Pages: 267 - 273

30. Spectra of Self-Similar Ergodic Actions

    • V. V. Ryzhikov

    Research Articles 10 March 2023 Pages: 274 - 281

    

31. Hardy Inequality in Variable Grand Lebesgue Spaces for Nonincreasing Functions

    • M. Singh
    • P. Jain

    Research Articles 10 March 2023 Pages: 282 - 291

32. Behavior of Solutions to the Fuzzy Difference Equation \(z_{n+1}=A+\dfrac{B}{z_{n-m}}\)

    • İ.I. Yalçınkaya
    • H. El-Metwally
    • H. Ahmad

    Research Articles 10 March 2023 Pages: 292 - 302

    

33. On a Conjecture of Bourgain

    • V. A. Zorich

    Short Communications 10 March 2023 Pages: 303 - 305

34. Marcinkiewicz Interpolation Theorem for Spaces of Hardy Type

    • V. G. Krotov

    Short Communications 10 March 2023 Pages: 306 - 310

35. Polyorthogonalization of a Function System

    • A. P. Starovoitov

    Short Communications 10 March 2023 Pages: 311 - 315