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Algaba, Antonio; García, Cristóbal; Giné, Jaume; Llibre, Jaume
Nonlinear analysis, 06/2020, Letnik: 195Journal Article
In this paper we define when a polynomial differential system is orbitally universal and we show the relevance of this notion in the classical center problem, i.e. in the problem of distinguishing between a focus and a center.
