1. Classical Solutions for the Coupled System gKdV Equations

   • S. G. Georgiev
   • A. Boukarou
   • Kh. Zennir

   OriginalPaper 17 March 2023 Pages: 1 - 15

2. Controlled g-Atomic Subspaces for Operators in Hilbert Spaces

   • Prasenjit Ghosh
   • Tapas K. Samanta

   OriginalPaper 17 March 2023 Pages: 16 - 32

3. Stability Criterion for Linear Differential Equations with a Delayed Argument

   • S. A. Gusarenko

   OriginalPaper 17 March 2023 Pages: 33 - 52

4. The Tricomi Problem for a Difference–Differential Equation of Mixed Type in an Unbounded Domain

   • A. N. Zarubin
   • E. V. Chaplygina

   OriginalPaper 17 March 2023 Pages: 53 - 61

5. Reducibility by Means of Almost Polynomial Functions

   • S. S. Marchenkov

   OriginalPaper 17 March 2023 Pages: 62 - 70

6. Some Remarks and Results on h-Almost Ricci Solitons

   • Hamed Faraji
   • Shahroud Azami

   OriginalPaper 17 March 2023 Pages: 71 - 75

7. Problem of Generators in a Single Ring of Entire Functions of Several Complex Variables

   • V. N. Filippov

   OriginalPaper 17 March 2023 Pages: 76 - 81

8. Fully Inert Subgroups of Completely Decomposable Groups with Homogeneous Components of Finite Rank

   • A. R. Chekhlov

   OriginalPaper 17 March 2023 Pages: 82 - 90

9. The Markoff Theory and the Commutator Subgroup SL(2, Z)'

   • Paul Schmutz Schaller

   OriginalPaper 17 March 2023 Pages: 91 - 101

10. Identification of the Potential Coefficient in the Wave Equation with Incomplete Data: A Sentinel Method

    • Billal Elhamza
    • Abdelhak Hafdallah

    OriginalPaper 17 March 2023 Pages: 102 - 111

11. On a Combined Primality Test

    • S. T. Ishmukhametov
    • N. A. Antonov
    • R. G. Rubtsova

    OriginalPaper 17 March 2023 Pages: 112 - 117