Estabilidad estructural de campos suaves por partes en superficies
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2020-12-12
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Pontificia Universidad Católica del Perú
Abstract
En este trabajo, consideramos campos de vectores suaves por partes definidos en una superficie compacta. El problema que estudiamos es la caracterización de la estabilidad estructural de campos de vectores suaves por partes. Después de M. Peixoto, J. Palis y A. F. Filippov, vemos que las condiciones necesarias y suficientes son: hiperbolicidad de puntos singulares, genericidad de tangencias, no conexión de sillas singulares y sólo órbitas recurrentes triviales. Estas condiciones fueron adaptadas por Brouke, Pugh y Simic para campos de vectores suaves por partes. Mostramos que para campos de vectores suaves por partes la estabilidad estructural es una propiedad genérica local desde un punto de vista diferente, y de ahí que caracterizamos al conjunto de los campos suaves por partes que son estructuralmente estables.
In this paper we present the theorem of characterization of the structural stability of piecewise smooth vector fields defined on a compact surface. It is essentially a result of the local theory, and is based on work of Brouke, Pugh & Simic [3]. They established and showed that the necessary and sufficient conditions are given by hyperbolicity of singular points, genericity of tangencies, no connection of singular saddles,and the apperance of only trivially recurrent orbits. We show the same but from a diferent perspective.
In this paper we present the theorem of characterization of the structural stability of piecewise smooth vector fields defined on a compact surface. It is essentially a result of the local theory, and is based on work of Brouke, Pugh & Simic [3]. They established and showed that the necessary and sufficient conditions are given by hyperbolicity of singular points, genericity of tangencies, no connection of singular saddles,and the apperance of only trivially recurrent orbits. We show the same but from a diferent perspective.
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Estabilidad estructural, singularidades, Genericidad
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