1. Construction of Floquet–Bloch Solutions and Estimation of Lengths of Resonance Zones of One-Dimensional Schrödinger Equation with Smooth Potential

   • O. M. Denysenko
   • I. O. Parasyuk

   OriginalPaper Pages: 1 - 21

2. On Stability of Solutions of a Stochastic Equation

   • A. Ya. Dorogovtsev

   OriginalPaper Pages: 22 - 36

3. Application of Potential and Vortex Fields to the Description of Gravitation and Electromagnetism

   • V. M. Ivanchenko

   OriginalPaper Pages: 37 - 61

4. Estimate for the Best Approximation of Summable Functions of Two Variables in Terms of Fourier Coefficients

   • T. O. Kononovych

   OriginalPaper Pages: 62 - 85

5. On the Approximation by Modified Interpolation Polynomials in Spaces L _p

   • A. B. Metelichenko

   OriginalPaper Pages: 86 - 95

6. On the Smoothness of a Generalized Solution of the First Initial Boundary-Value Problem for Strongly Parabolic Systems in a Cylinder with Nonsmooth Base with Respect to Time Variable

   • Nguyen Manh Hung
   • Pham Trieu Duong

   OriginalPaper Pages: 96 - 108

7. Hopf Algebras and Integrable Flows Related to the Heisenberg–Weil Coalgebra

   • A. K. Prykarpatsky
   • A. M. Samoilenko
   • D. L. Blackmore

   OriginalPaper Pages: 109 - 121

8. Approximation of Poisson Integrals by de la Vallée Poussin Sums

   • A. S. Serdyuk

   OriginalPaper Pages: 122 - 134

9. Qualitative Investigation of Discontinuous Dynamical Systems on a Plane by the Method of Pointwise Mappings

   • V. I. Urmanchev

   OriginalPaper Pages: 135 - 147

10. Convolutions of Singular Distribution Functions

    • Ya. F. Vynnyshyn

    OriginalPaper Pages: 148 - 152

11. Second Jackson Inequality in a Sign-Preserving Approximation of Periodic Functions

    • M. G. Pleshakov
    • P. A. Popov

    OriginalPaper Pages: 153 - 160

12. The Best m-Term Trigonometric Approximations of the Classes \(L_{\beta ,p}^\Psi \) in Uniform Metric

    • A. S. Fedorenko
    • O. S. Fedorenko

    OriginalPaper Pages: 161 - 165

13. On Saturation of Linear Summation Methods for Fourier Series in the Spaces \(S_\varphi ^p \)

    • A. L. Shydlich

    OriginalPaper Pages: 166 - 172

14. Systems of Differential Inequalities with Initial Time Difference

    • T. Jankowski

    OriginalPaper Pages: 173 - 182