Abstract
This paper deals with the global stability of the following density-suppressed motility system
in a bounded domain \(\Omega \subset \mathbb {R}^{2}\) with smooth boundary, where the motility function \(\varphi (v)\) is positive. If \(\varphi (v)\) has the lower-upper bound, we can obtain that this system possesses a unique bounded classical solution. Moreover, we can obtain that the global solution (u, v, w, z) will exponentially converge to the equilibrium \((\overline{u}_{0},\overline{v}_{0}+\overline{w}_{0},0,\overline{u}_{0})\) as \(t\rightarrow +\infty \), where \(\overline{f}_{0}=\frac{1}{|\Omega |}\int _{\Omega }f_{0}(x)\mathrm{d}x\).
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The second author is partially supported by NSF-CQCSTC (Grant No. cstc2019jcyj-msxmX0390).
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Li, D., Wu, C. Effects of density-suppressed motility in a two-dimensional chemotaxis model arising from tumor invasion. Z. Angew. Math. Phys. 71, 153 (2020). https://doi.org/10.1007/s00033-020-01378-6
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DOI: https://doi.org/10.1007/s00033-020-01378-6