Periodic solutions and spatial patterns induced by mixed delays in a diffusive spruce budworm model with Holling II predation function
Periodic solutions and spatial patterns induced by mixed delays in a diffusive spruce budworm model with Holling II predation function
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具有 Holling II 捕食函数的扩散云杉芽虫模型中混合延迟引起的周期解和空间模式
DOI:
10.1016/j.matcom.2021.09.013
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发表时间:
2022-02
影响因子:
4.6
通讯作者:
汤小松
中科院分区:
文献类型:
--
作者:
汤小松
In present article, under homogeneous Neumann boundary condition, we put forward a diffusive spruce budworm model with mixed delays and Holling II predation function firstly. Then, choosing delay (discrete delay or distributed delay) as bifurcating parameter together with characteristic equation, we derive that not only can discrete delay induce the appearance of Hopf bifurcations for this model, but also distributed delay can do it. However, to our knowledge, in the known literatures, Hopf bifurcation can only be deduced by discrete delay or distributed delay. So, the obtained results in present article are new. At last, by carrying out numerical simulations, we obtain periodic solutions and spatial patterns deduced by discrete delay or distributed delay, which illustrates the results in this article.
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DOI:
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