FINITE GENERATED SUBGROUPS OF HYPERBOLIC GROUPS
Journal Title: Вестник КРАУНЦ. Физико-математические науки - Year 2014, Vol 2, Issue
Abstract
It is proved that finite generated subgroups of infinite index of hyperbolic groups which are not quasi Abelian are complemented with a nontrivial free factor.
Authors and Affiliations
Aleksandr Goryushkin
ON THE UNIQUNESS OF THE SOLUTION TO THE BOUNDARY VALUE PROBLEM FOR A MIXED DEGENERATE HYPERBOLIC EQUATION
In this paper the uniquness of the boundary value problem solution for the mixed elliptichyperbolic equation of the second order.
MODEL FOR UNSTEADY OF DIFFUSION –ADVECTION OF RADON IN SOIL – ATMOSPHERE
We consider a mathematical model for unsteady transport of radon from the constant coefficients in the soil – atmosphere. An explicit analytical solution for this model and built at different times of his profiles.
ON THE UNIQNESS OF TRICOMI PROBLEM ANALOGUE FOR MIXED TYPE EQUATION WITH TWO DEGENERATED PARALLEL LINES
In this paper the solution uniqness toTricomi problem analogue for the mixed type equation in a do-main containing two parallel lines with parabolic degeneration.
SYNTHESIS OF NATURAL OBJECT MODELS ACCORDING TO OBSERVATION DATA
The problems of model synthesis according to data received by monitoring object state are considered in this article. The current state of the object and its state at different time intervals are of interest. Known model...
DESIGN PROBLEMS FOR THE STEINER PIPE NETWORK
In this paper, a mathematical model for the Steiner pipeline networks design problems is presented in view of its optimal cost.