Contents                                                                                                                                                                                    Back to Archives

 MATHEMATICS Gadzova L. Kh. On the asymptotics for a fundamental solution of an ordinary fractional order differential equation with constant coefficients 5 Djamalov S. Z. Linear inverse problem for Trikomi equation in three-dimensional space 10 Kodzokov A. Kh., Beslaneev Z. O., Nagorov A. L., Tkhamokov M. B. Linear Diophantine equations and ways to solve them 16 Kudaeva Z.V. On the uniqueness of solution of a boundary value problem for a mixed equation with hyperbolic degeneration of order 22 Madrakhimova Z. S. Gellerstedt problem for a parabolic-hyperbolic equation with degeneracy of type and order 25 Mamazhonov M., Mamazhonov S. M., Mamadalieva Kh. B. Some boundary value problems for a third-order parabolic-hyperbolic equation in a pentagonal domain 31 MATHEMATICAL MODELLING Drobysheva I.V. Mathematical modeling of nonlinear hereditary oscillators on the example of Duffing oscillator with fractional derivatives in the sense of Riemann-Liouville 39 Kim V. A. Duffing oscillator with external harmonic action and variable fractional Riemann-Liouville derivative characterizing viscous friction 46 Makarov D.V. On a dynamic hereditary system simulating economic cycles 50 Shevlokov V. A. Sustainable development of a society: synergetic approach 57 INFORMATION AND COMPUTATION TECHNOLOGIES Tkhamokov M. B., Nagorov A. L., Beslaneev Z. O., Kodzokov A. Kh. Calculation of Karachay-Balkar text entropy and phras simulation 62 TEACHING MATERIALS Vodinchar G. M., Zhdanova O. K., Perezhogin A. S., Sheremet’eva O.V., Yakovleva T.P. Solutions of the problems for Mathematical Competition «Vitus Bering – 2016» 67 Zhdanova O. K. How to teach to solve problems with parameters? 72 Yakovleva T.P. Credit tests for section «functions» (for secondary vocational education) 82 About the authors 104 Scope of the Journal and Guidelines for Authors 109