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A dynamical system with random parameters as a mathematical model of real phenomena
In many cases, it is difcult to nd a solution to a system of difference equations with random structure in a closed form. Thus, a random process, which is the solution to such a system, can be described in another way, for ...
There Are No Conformal Einstein Rescalings of Pseudo-Riemannian Einstein Spaces with n Complete Light-Like Geodesics
In the present paper, we study conformal mappings between a connected n-dimension pseudo-Riemannian Einstein manifolds.