1. On the Keldysh Problem for a Mixed-Type Equation with Two Singular Lines

   • A. A. Abashkin

   OriginalPaper 08 December 2022 Pages: 1 - 14

2. On Some Aspects of the Kegel–Wielandt σ-Conjecture

   • S. F. Kamornikov
   • V. N. Tyutyanov

   OriginalPaper 08 December 2022 Pages: 15 - 23

3. A Study of a Posteriori Stopping in Iteratively Regularized Gauss–Newton-Type Methods for Approximating Quasi-Solutions of Irregular Operator Equations

   • M. M. Kokurin

   OriginalPaper 08 December 2022 Pages: 24 - 35

4. Inequalities Refining Relations between Mixed Moduli of Smoothness in L₁ and L_q Metrics

   • M. K. Potapov
   • B. V. Simonov

   OriginalPaper 08 December 2022 Pages: 36 - 52

5. Conditional Correctness of the Initial-Boundary Value Problem for a System of High-Order Mixed-Type Equations

   • K. S. Fayazov
   • I. O. Khajiev

   OriginalPaper 08 December 2022 Pages: 53 - 63

6. On One Class of Local Groups and Their Representations

   • S. A. Grigoryan
   • A. Yu. Kuznetsova

   OriginalPaper 08 December 2022 Pages: 64 - 69

7. A New Primality Test for Natural Integers

   • Sh. T. Ishmukhametov
   • R. G. Rubtsova
   • R. R. Khusnutdinov

   OriginalPaper 08 December 2022 Pages: 70 - 73