A geometric singular perturbation theory approach to constrained differential equations
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Data
2019-04-01
Autores
Toniol Cardin, Pedro [UNESP]
Teixeira, Marco Antonio
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Resumo
This paper is concerned with a geometric study of (𝑛n−1)-parameter families of constrained differential systems, where n≥ 2. Our main results say that the dynamics of such a family close to the impasse set is equivalent to the dynamics of a multiple time scale singular perturbation problem (that is a singularly perturbed system containing several small parameters). This enables us to use a geometric theory for multiscale systems in order to describe the behaviour of such a family close to the impasse set. We think that a systematic program towards a combination between geometric singular perturbation theory and constrained systems and problems involving persistence of typical minimal sets are currently emergent. Some illustrations and applications of the main results are provided.
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constrained systems, multiple time scales, singular perturbation problems
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Mathematische Nachrichten, v. 292, n. 4, p. 892-904, 2019.