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Volume 89 Number Vol 89 (2019) Year 2023

7 articles in this issue 

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In the article we obtained sufficient conditions of the existence of the nonlinear Noetherian boundary value problem solution for the system of differential-algebraic equations which are widely used in mechanics, economics, electrical engineering, and con... see more

Pags. 10 - 20  

????????? A. ???????, ????? ?. ?????????

A nonlocal boundary-value problem for evolutional pseudodifferential equations in an infinite layer is considered in this paper. The notion of the partially parabolic boundary-value problem is introduced when a solving function decreases exponentially onl... see more

Pags. 21 - 32  

Petro V. Lukianov

It is known that in alive nature every kind of animals improved their appearance for ages. That is why cars and air vehicles try to get a shape, which approximately like animals. For a last time helicopters blades are modeled like bird wing. In this paper... see more

Pags. 59 - 75  

Valeriy I. Korobov, Anna I. Derevianko

Switched systems is a special case of hybrid dynamical systems with discrete and continuous dynamics. They are widely applied when a real system cannot be described by one single model. In theoretical works on switched systems, switching signals and times... see more

Pags. 93 - 101