1. Autonomous Nonlinear Boundary-Value Problems for the Lyapunov Equation in the Hilbert Space

   • D. S. Bihun
   • O. O. Pokutnyi
   • E. V. Panasenko

   OriginalPaper 03 December 2021 Pages: 1009 - 1022

2. Inequalities for Complex Rational Functions

   • M. Bidkham
   • E. Khojastehnezhad

   OriginalPaper 03 December 2021 Pages: 1023 - 1032

3. Seminonoscillation Intervals and Sign-Constancy of Green’s Functions of Two-Point Impulsive Boundary-Value Problems

   • A. Domoshnitsky
   • Iu. Mizgireva
   • V. Raichik

   OriginalPaper 03 December 2021 Pages: 1033 - 1049

4. p-Adic Markov Process and the Problem of First Return Over Balls

   • O. F. Casas-Sánchez
   • J. Galeano-Peñaloza
   • J. J. Rodríguez-Vega

   OriginalPaper 03 December 2021 Pages: 1050 - 1062

5. On Fisher Subgroups of Finite Groups

   • Yu. Mao
   • X. Ma
   • T. B. Karaulova

   OriginalPaper 10 December 2021 Pages: 1063 - 1070

6. Fredholm Boundary-Value Problem in Sobolev–Slobodetsky Spaces

   • V. A. Mikhailets
   • T. B. Skorobohach

   OriginalPaper 03 December 2021 Pages: 1071 - 1083

7. Ricci Soliton Biharmonic Hypersurfaces in the Euclidean Space

   • N. Mosadegh
   • E. Abedi
   • M. Ilmakchi

   OriginalPaper 03 December 2021 Pages: 1084 - 1091

8. On the Constructive Description of Gibbs Measures for the Potts Model on a Cayley Tree

   • M. M. Rahmatullaev
   • F. K. Rafikov
   • Sh. Kh. Azamov

   OriginalPaper 03 December 2021 Pages: 1092 - 1106

9. Boundary Extensions of Mappings Satisfying the Poletsky Inverse Inequality in Terms of Prime Ends

   • E. A. Sevost’yanov

   OriginalPaper 03 December 2021 Pages: 1107 - 1121

10. Approximation by Rational Functions on Doubly Connected Domains in Weighted Generalized Grand Smirnov Classes

    • A. Testici

    OriginalPaper 03 December 2021 Pages: 1122 - 1137

11. Weighted Lebesgue and Central Morrey Estimates for p-Adic Multilinear Hausdorff Operators and Their Commutators

    • N. M. Chuong
    • D. V. Duong
    • K. H. Dung

    OriginalPaper 03 December 2021 Pages: 1138 - 1168

12. Chernikov 2-Groups with Kleinian Top and Totally Reducible Bottom

    • Yu. A. Drozd
    • A. I. Plakosh

    BRIEF COMMUNICATIONS 03 December 2021 Pages: 1169 - 1173