Bulletin KRASEC. Phys. & Math. Sci, 2015, vol. 11, no. 2, ISSN 2313-0156

Contents                                                                                                                                                                         Back to Archives                                                                                                                                                     

  MATHEMATICS

Attaev A.Kh.
Characteristic problems for the loaded wave equation with specific shift………………………………………………………………………………………………………………………………………5

Kudaeva Z.V.
On the uniqueness of Tricomi problem analogue for mixed equation with two degenerated parallel lines……………………………………………….11

Losanova F.M.
Problem with Samarskii condition for fractional diffusion equation in the half-string…………………………………………………………………………………………………………15

Masaeva O.Kh.
Necessary and sufficient conditions for the uniqueness of Dirichlet problem solution for nonlocal wave equation…………………………..19

Khubiev K.U.
On model of loaded hyperbolic-parabolic partial differential equation of second order……………………………………………………………………………………………….24

Eneeva L.M.
Boundary value problem for differential equation with fractional order derivatives with different………………………………………………………………………36

MATHEMATICAL MODELING

Vodinchar G.M., Feshchenko L.K.
Reversals in a geodynamo model driven by 6-cell convection………………………………………………………………………………………………………………………………………………………………41

Vodinchar G.M., Godomskaya A.N., Sheremetyeva O.V.
Reversals of magnetic field in the large-scale αΩ-dynamo…………………………………………………………………………………………………………………………………………………………………………51

Vodinchar G.M., Noshchenko D.S., Perezhogin A.S.
Painleve´ test for a magnetohydrodynamics system…………………………………………………………………………………………………………………………………………………………………………………………57

PHYSICS

Bogdanov V.V., Kaisin A.V.
Preservation of the third adiabatic invariant of motion in the equatorial plane of magnetic field with weak axial asymmetry….63

INFORMATION AND COMPUTATION TECHNOLOGIES

Lukovenkova O.O.
Denoising of geoacoustic emission signals by sparse approximation method…………………………………………………………………………………………………………………………….73

Malysh E.A.
Algorithm for automatic detection of whistlers in real-time mode………………………………………………………………………………………………………………………………………………………..79

Parovik R.I
Finite-difference schemes for fractal oscillator with a variable fractional order………………………………………………………………………………………………………………………..85

TEACHING MATERIALS

Vodinchar G.M., Zhdanova O.K., Ostroverhaya L.D., Parovik R.I., Perezhogin A.S., Sheremet’eva O.V., Yakovleva T.P.
Solutions of the problems of mathematical competition «Vitus Bering – 2015»……………………………………………………………………………………………………………………93

About the authors…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………99

Scope of the Journal and Guidelines for Authors.…………………………………………………………………………………………………………………………………………………………………………………………..104