1. Cohomology of Formal Modules over Local Fields

   • S. V. Vostokov
   • I. I. Nekrasov

   OriginalPaper 12 April 2019 Pages: 3 - 7

2. An Asymptotic Method for Reducing Systems of Differential Equations with Almost-Periodic Matrices

   • Yu. A. Konyaev
   • D. A. Maslov

   OriginalPaper 12 April 2019 Pages: 8 - 15

3. On Lower Bounds for the Chromatic Number of Spheres

   • O. A. Kostina

   OriginalPaper 12 April 2019 Pages: 16 - 27

4. Exact Value of the Nonmonotone Complexity of Boolean Functions

   • V. V. Kochergin
   • A. V. Mikhailovich

   OriginalPaper 12 April 2019 Pages: 28 - 35

5. Optimal Synthesis in a Model Problem with Two-Dimensional Control Lying in an Arbitrary Convex Set

   • L. V. Lokutsievskiy
   • V. A. Myrikova

   OriginalPaper 12 April 2019 Pages: 36 - 55

6. On a Family of Residually Finite Groups

   • D. I. Moldavanskii

   OriginalPaper 12 April 2019 Pages: 56 - 63

7. On the Collapse of Solutions of the Cauchy Problem for the Cubic Schrödinger Evolution Equation

   • Sh. M. Nasibov

   OriginalPaper 12 April 2019 Pages: 64 - 70

8. Second-Order Tangent-Valued Forms

   • K. V. Polyakova

   OriginalPaper 12 April 2019 Pages: 71 - 79

9. The Cauchy Problem for the Radiation Transfer Equation with Fresnel and Lambert Matching Conditions

   • I. V. Prokhorov

   OriginalPaper 12 April 2019 Pages: 80 - 90

10. Hardy–Steklov Operators and the Duality Principle in Weighted First-Order Sobolev Spaces on the Real Axis

    • V. D. Stepanov
    • E. P. Ushakova

    OriginalPaper 12 April 2019 Pages: 91 - 103

11. On the Automorphism Group of an Antipodal Tight Graph of Diameter 4 with Parameters (5, 7, r)

    • L. Yu. Tsiovkina

    OriginalPaper 12 April 2019 Pages: 104 - 114

12. Classification of Unknotted Ribbons in the Plane and on the Sphere

    • X. Wang

    OriginalPaper 12 April 2019 Pages: 115 - 122

13. Extremal Solutions for Nonlinear First-Order Impulsive Integro-Differential Dynamic Equations

    • L. Zhang
    • Y. F. Xing

    OriginalPaper 12 April 2019 Pages: 123 - 131

14. A Combinatorial Invariant of Morse–Smale Diffeomorphisms without Heteroclinic Intersections on the Sphere Sⁿ, n ≥ 4

    • V. Z. Grines
    • E. Ya. Gurevich
    • O. V. Pochinka

    Short Communications 12 April 2019 Pages: 132 - 136

15. Clique Chromatic Numbers of Intersection Graphs

    • D. A. Zakharov
    • A. M. Raigorodskii

    Short Communications 12 April 2019 Pages: 137 - 139

16. On Smooth Solutions of Differential-Difference Equations with Incommensurable Shifts of Arguments

    • E. P. Ivanova

    Short Communications 12 April 2019 Pages: 140 - 144

17. On an Identity with Binomial Coefficients

    • E. A. Karatsuba

    Short Communications 12 April 2019 Pages: 145 - 147

18. On the Cauchy Problem for a Generalized Emden–Fowler-Type Equation

    • Đ. Krtinić
    • M. Mikić

    Short Communications 12 April 2019 Pages: 148 - 152

19. On the Characterizations of Wave Front Sets in Terms of the Short-Time Fourier Transform

    • S. Pilipović
    • B. Prangoski

    Short Communications 12 April 2019 Pages: 153 - 157

20. Classification of ℤ₃-Equivariant Simple Function Germs

    • E. A. Astashov

    OriginalPaper 12 April 2019 Pages: 161 - 172

21. On the Hurwitz Zeta Functions with Algebraic Irrational Parameter

    • A. Balčiūnas
    • A. Dubickas
    • A. Laurinčikas

    OriginalPaper 12 April 2019 Pages: 173 - 179

22. A Remark on Lower Bounds for the Chromatic Numbers of Spaces of Small Dimension with Metrics ℓ₁ and ℓ₂

    • L. I. Bogolyubsky
    • A. M. Raigorodskii

    OriginalPaper 12 April 2019 Pages: 180 - 203

23. Hartley Sets and Injectors of a Finite Group

    • N. T. Vorob’ev
    • T. B. Karaulova

    OriginalPaper 12 April 2019 Pages: 204 - 215

24. The Möbius Transformation and Smirnov’s Inequality for Polynomials

    • E. G. Ganenkova
    • V. V. Starkov

    OriginalPaper 12 April 2019 Pages: 216 - 226

25. On the Aizerman Problem for Systems of Two Differential Equations

    • B. S. Kalitine

    OriginalPaper 12 April 2019 Pages: 227 - 235

26. On the Hyperbolicity of Toral Endomorphisms

    • A. Yu. Kolesov
    • N. Kh. Rozov
    • V. A. Sadovnichii

    OriginalPaper 12 April 2019 Pages: 236 - 250

27. Groups with Formation Subnormal 2-Maximal Subgroups

    • V. S. Monakhov

    OriginalPaper 12 April 2019 Pages: 251 - 257

28. On Nonergodic Uniform Lotka–Volterra Operators

    • F. M. Mukhamedov
    • U. U. Jamilov
    • A. T. Pirnapasov

    OriginalPaper 12 April 2019 Pages: 258 - 264

29. Singular Functions in the Problem of the Weighted Number of Integer Points on Multidimensional Hyperboloids of Special Form

    • U. M. Pachev
    • R. A. Dokhov

    OriginalPaper 12 April 2019 Pages: 265 - 279

30. An Extension of Calabi’s Correspondence between the Solutions of Two Bernstein Problems to More General Elliptic Nonlinear Equations

    • José A. S. Pelegrín
    • Alfonso Romero
    • Rafael. M. Rubio

    OriginalPaper 12 April 2019 Pages: 280 - 284

31. Solution Area for a Class of Linear Differential Equations with Hukuhara Derivative

    • V. I. Slyn’ko

    OriginalPaper 12 April 2019 Pages: 285 - 290

32. Chebyshev Polynomials and Integer Coefficients

    • R. M. Trigub

    OriginalPaper 12 April 2019 Pages: 291 - 300

33. On the Inverse Problem for Differential Operators on a Finite Interval with Complex Weights

    • V. A. Yurko

    OriginalPaper 12 April 2019 Pages: 301 - 306