Scientific Bulletin of ChNU. "Mathematics" series. Volume 2 No. 2-3 (2012)

The Department of Applied Mathematics of Chernivtsi National University — 50 years

Bigun Yaroslav Yosypovych, Cherevko Igor Mykhailovych

PDF 9-13

The existence of an invariant torus of one class of nonlinear systems of differential equations

Baloha Svitlana Ivanovna

PDF 14-18

Averaging in a single multi-frequency system with ordinary and partial derivatives and with linearly transformed arguments

Bigun Yaroslav Yosypovych, Skutar Ihor Dmytrovych

PDF 19-23

The problem of optimal control of evolutionary systems with strong degeneration at the initial moment of time

Bokalo Mykola Mykhailovych, Tsebenko Andriy Mykolayovych

PDF 24-29

Limit cycle bifurcations of a Lienard system with cubic restoring and polynomial damping fuctions

Gaiko Valery A.

PDF 30-35

Modeling the dynamics of charged beams as a problem of practical stability in an optimization formulation

FHarashchenko Fedir Heorhiyovych , Matviyenko Volodymyr Tykhonovych, Kharchenko Ihor Ivanovych

PDF 36-40

Nonlocal in time problems for one class of evolutionary equations

Gorodetskii Vasyl, Martynyuk Olga

PDF 41-48

Asymptotic analysis of self-oscillations in a single dynamic system with a variable delay depending on the phase coordinate

Hotsulenko Volodymyr Volodymyrovych

PDF 49-52

Essentially Free Actions of Self-similar Groups

Grigorchuk Rostislav Ivanovich, Savchuk Dmytro

PDF 53-58

Krajovs problem for a nonlinear oscillatory system with constant delay

Danylyuk Ivan Mykhaylovych

PDF 59-65

Nilpotency of the group of unitriangular automorphisms of a ring of polynomials in two variables over a finite field

Dovhey Zhanna Illinichna

PDF 66-69

On the approximation of non-asymptotic roots of quasi-polynomials of neutral-type differential equations with many deviations of the argument

Ilika Svitlana Anatolyivna, Piddubna Larisa Andriivna, Cherevko Igor Mykhailovych

PDF 70-72

Nonlocal problem with many parameters for a system of partial differential equations with shifts

Ilika Svitlana Anatolyivna, Magerovskaya Tetyana Valeriivna

PDF 73-80

On the fundamental solution of the Cauchy problem for some parabolic equations with increasing coefficients and some of its applications

Zabolotko Tetyana Oleksandrivna, Ivasyshen Stepan Dmytrovych, Pasichnyk Halyna

PDF 81-89

Convergence of the stochastic approximation procedure in the asymptotically small diffusion scheme

Kiykovska Olha Ihorivna, Chabaniuk Yaroslav Mykhailovych

PDF 90-95

Problems for parabolic systems with double power degeneracy

Konarovska Marina Ivanovna, Matiychuk Mykhailo Ivanovich

PDF 96-101

Investigation of periodic solutions of degenerate nonlinear differential systems

Korol Ihor Ivanovych, Semchyshyn Halyna Yaroslavivna

PDF 102-107

On (M, N)-polynomial functions on products and differentiable polynomial functions on crosses

Kosovan Vasyl Mykhailovych, Maslyuchenko Volodymyr Kyrylovych

PDF 108-113

Rationally reversible cubic systems

Cozma Dumitru

PDF 114-119

On the relationships between narrow operators and More operators on spaces L p

Krasikova Iryna Volodymyrivna

PDF 120-122

Semi-Markovian random evolutions with Markovian switchings

Malyk Igor

PDF 123-129

Study of one case of plane motion of a rigid body along an elliptical orbit taking into account centrifugal moments of inertia

Mihutsa Dmytro Oleksiyovych

PDF 130-133

Asymptotic methods in inverse problems of hydromechanics

Nesteruk Ihor Heorhiyovych, Shepetyuk Bohdan Dmytrovych

PDF 134-137

Cauchy problem for a pseudodifferential stochastic equation

Perun Galina Mykhailivna

PDF 138-142

Optimal control of systems of differential equations on non-fixed time intervals

Samoilenko O. O.

PDF 143-148

Symmetric properties of the system of reaction-convection-diffusion equations

Serov Mykola Ivanovich, Serova M. M. , Rassokha Inna Volodymyrivna

PDF 149-156

Local linear approximation method in the theory of nonlinear equations

Slyusarchuk Vasyl Yukhimovych

PDF 157-163

Problems with modelling using delay differential equations.

Urszula Forys

PDF 164-169

Approximation of functions from the class C ψ β , ∞ by Weierstrass integrals in a uniform metric

Kharkevich Yuriy, Kalchuk Inna Volodymyrivna

PDF 170-176

Configurations of invariant straight lines of cubic differential systems with degenerate infinit

Şubă Alexandru, Vadim Repesco

PDF 177-182