期刊
NONLINEARITY
卷 28, 期 8, 页码 2639-2660出版社
IOP PUBLISHING LTD
DOI: 10.1088/0951-7715/28/8/2639
关键词
steady states; bifurcation theory; stability
资金
- Hong Kong Polytechnic University [G-YM40, A-PL15]
- Hong Kong RGC ECS [509113]
- National Natural Science Foundation of China [11271342]
- provincial Natural Science Foundation of Zhejiang [LY15A010017]
This paper is devoted to studying a reaction-diffusion-chemotaxis model with a volume-filling effect in a bounded domain with Neumann boundary conditions. We first establish the global existence of classical solutions bounded uniformly in time. Then applying the asymptotic analysis and bifurcation theory, we obtain both the local and global structure of steady states bifurcating from the homogeneous steady states in one dimension by treating the chemotactic coefficient as a bifurcation parameter. Moveover we find the stability criterion of the bifurcating steady states and give a sufficient condition for the stability of steady states with small amplitude. The pattern formation of the model is numerically shown and the stability criterion is verified by our numerical simulations.
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