Topological properties of prolongations and stable sets for semigroup actions

In this paper we study topological properties of Lyapunov stable sets for semigroup actions on Tychonoff spaces. We show that the stability and the asymptotical stability of a compact set is characterized by the stability and the asymptotical stability of its components, respectively. We also presen...

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Detalles Bibliográficos
Autores: Rocha, Victor H. L. [UNESP], Reis, Ronan A. [UNESP]
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:Brasil
Institución:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/210077
Acceso en línea:http://dx.doi.org/10.1016/j.topol.2021.107611
http://hdl.handle.net/11449/210077
Access Level:acceso abierto
Palabra clave:Lyapunov stability
Asymptotical stability
Connected components
Prolongations
Semigroup actions
Descripción
Sumario:In this paper we study topological properties of Lyapunov stable sets for semigroup actions on Tychonoff spaces. We show that the stability and the asymptotical stability of a compact set is characterized by the stability and the asymptotical stability of its components, respectively. We also present a characterization of the stability of a compact set by means of omega-limit sets, prolongations, prolongational limit sets and the existence of a fundamental system of invariant neighborhoods of it. (c) 2021 Elsevier B.V. All rights reserved.