Crossing limit cycles of planar discontinuous piecewise differential systems formed by isochronous centres

These last years an increasing interest appeared in studying the planar discontinuous piecewise differential systems motivated by the rich applications in modelling real phenomena. The understanding of the dynamics of these systems has many difficulties. One of them is the study of their limit cycle...

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Detalles Bibliográficos
Autores: Buzzi, Claudio A. [UNESP], Romano Carvalho, Yagor, Llibre, Jaume
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2022
País:Brasil
Institución:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/246068
Acceso en línea:http://dx.doi.org/10.1080/14689367.2022.2122779
http://hdl.handle.net/11449/246068
Access Level:acceso abierto
Palabra clave:cubic isochronous centres with homogeneous nonlinearities
discontinuous piecewise differential systems
first integrals
Limit cycles
linear centres
Descripción
Sumario:These last years an increasing interest appeared in studying the planar discontinuous piecewise differential systems motivated by the rich applications in modelling real phenomena. The understanding of the dynamics of these systems has many difficulties. One of them is the study of their limit cycles. In this paper, we study the maximum number of crossing limit cycles of some classes of planar discontinuous piecewise differential systems separated by a straight line and formed by combinations of linear centres (consequently isochronous) and cubic isochronous centres with homogeneous nonlinearities. For these classes of planar discontinuous piecewise differential systems we solved the extension of the 16th Hilbert problem, i.e. we provide an upper bound for their maximum number of crossing limit cycles.