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Non-autonomous dynamics of a semi-Kolmogorov population model with periodic forcing

Opened Access Non-autonomous dynamics of a semi-Kolmogorov population model with periodic forcing

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Autor: Caraballo Garrido, Tomás
Colucci, Renato
Han, Xiaoying
Departamento: Universidad de Sevilla. Departamento de Ecuaciones Diferenciales y Análisis Numérico
Fecha: 2016-10
Publicado en: Nonlinear Analysis: Real World Applications, 31, 661-680.
Tipo de documento: Artículo
Resumen: In this paper we study a semi-Kolmogorov type of population model, arising from a predator-prey system with indirect effects. In particular we are interested in investigating the population dynamics when the indirect effects are time dependent and periodic. We first prove the existence of a global pullback attractor. We then estimate the fractal dimension of the attractor, which is done for a subclass by using Leonov’s theorem and constructing a proper Lyapunov function. To have more insights about the dynamical behavior of the system we also study the coexistence of the three species. Numerical examples are provided to illustrate all the theoretical results.
Cita: Caraballo Garrido, T., Colucci, R. y Han, X. (2016). Non-autonomous dynamics of a semi-Kolmogorov population model with periodic forcing. Nonlinear Analysis: Real World Applications, 31, 661-680.
Tamaño: 1.588Mb
Formato: PDF

URI: http://hdl.handle.net/11441/44883

DOI: 10.1016/j.nonrwa.2016.03.007

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