期刊
CHAOS SOLITONS & FRACTALS
卷 130, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2019.109428
关键词
Turing bifurcation; Turing space; Amplitude equation; Pattern formation
资金
- National Natural Science Foundation of China [11671260]
By considering the hunting cooperations, we propose a diffusive predator-prey model, in which the function response is an increasing function in both predator and prey densities. We then study the pattern structure: (a) Turing space in d(21) - alpha plane is obtained by linear stability analysis, (b) the technique of multiple-time-scale is used to derive the amplitude equations, and finally (c) pattern selection is discussed based on numerical simulations. The results show that the model can present rich pattern structures, and cross-diffusion has a significant impact on species distribution. (C) 2019 Elsevier Ltd. All rights reserved.
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