Stability conditions of unperturbed motion governed by critical three-dimensional differential system of Darboux type with cubic nonlinearities
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2021-10-15 09:43
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NEAGU, Natalia, POPA, Mihail. Stability conditions of unperturbed motion governed by critical three-dimensional differential system of Darboux type with cubic nonlinearities. In: Mathematics and Information Technologies: Research and Education, Ed. 2021, 1-3 iulie 2021, Chişinău. Chișinău, Republica Moldova: 2021, pp. 62-63.
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Mathematics and Information Technologies: Research and Education 2021
Conferința "Mathematics and Information Technologies: Research and Education"
2021, Chişinău, Moldova, 1-3 iulie 2021

Stability conditions of unperturbed motion governed by critical three-dimensional differential system of Darboux type with cubic nonlinearities


Pag. 62-63

Neagu Natalia1, Popa Mihail23
 
1 "Ion Creangă" State Pedagogical University from Chisinau,
2 Tiraspol State University,
3 Vladimir Andrunachievici Institute of Mathematics and Computer Science
 
 
Disponibil în IBN: 30 iunie 2021


Rezumat

We examine the three-dimensional differential system with cubic nonlinearitiesformulawhere formula is symmetric tensor in the lower indices, by which a total convolution is carried out here. By a center-affine transformation, the system (1) can be brought to the critical Lyapunov form [1] and in the center-affine condition  formula  from [2], the system (1) becomes a critical of Darboux type, of the formformulaIn the last case, the unperturbed motion belongs to some continuous series of stabilized motions, and moreover this motion is asymptotically stable.

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