Análisis de estabilidad y bifurcación en un modelo presa depredador que involucra efecto Allee aditivo
Publicado 2024-08-23
Palabras clave
- Sistema presa-depredador,
- efecto Allee,
- positividad,
- disipación,
- acotación
- permanencia,
- estabilidad,
- bifurcación ...Más
Cómo citar
Derechos de autor 2024 Revista Integración, temas de matemáticas
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Resumen
En este artículo estudiamos bifurcación de Hopf de codimensión 1 para un sistema de ecuaciones diferenciales ordinarias bidimensional autónomo no lineal, modelando una interacción depredador-presa con respuesta funcional Holling tipo II y efecto Allee aditivo en la ecuación de la presa. Se analiza positividad, disipación, acotación y permanencia de las soluciones.
Además, se realizan análisis de estabilidad y bifurcación para mostrar la existencia de órbitas periódicas debido a la ocurrencia de bifurcación de Hopf de codimensión 1, involucrando efecto Allee débil así como efecto Allee fuerte. En el caso de un fuerte efecto Allee, a través de simulaciones realizadas en MAPLE 13, conjeturamos que este modelo puede admitir una bifurcación heteroclínica. Presentamos algunas simulaciones que permiten verificar los resultados analíticos.
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Referencias
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