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Type: Artigo de periódico
Title: Study Of Singularities In Nonsmooth Dynamical Systems Via Singular Perturbation
Author: Llibre J.
Da Silva P.R.
Teixeira M.A.
Abstract: In this article we describe some qualitative and geometric aspects of nonsmooth dynamical systems theory around typical singularities. We also establish an interaction between nonsmooth systems and geometric singular perturbation theory. Such systems are represented by discontinuous vector fields on Rl, l ≥ 2, where their discontinuity set is a codimension one algebraic variety. By means of a regularizaron process proceeded by a blow-up technique we are able to bring about some results that bridge the space between discontinuous systems and singularly perturbed smooth systems. We also present an analysis of a subclass of discontinuous vector fields that present transient behavior in the 2-dimensional case, and we dedicate a section to providing sufficient conditions in order for our systems to have local asymptotic stability. © 2009 Society for Industrial and Applied Mathematics.
Rights: aberto
Identifier DOI: 10.1137/080722886
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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