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Global boundedness in the higher-dimensional chemotaxis system with indirect signal production and rotational flux
Applied Mathematics Letters ( IF 2.9 ) Pub Date : 2020-08-24 , DOI: 10.1016/j.aml.2020.106700
Ying Dong , Yingping Peng

We consider a chemotaxis system with indirect signal production and rotational sensitivity: tu=Δu(S(x,u,v,w)v)+f(u),(x,t)Ω×(0,),tv=Δvv+w,(x,t)Ω×(0,),tw=Δww+u,(x,t)Ω×(0,)in a smooth bounded domain ΩRN(N2), where S(x,u,v,w)RN×N is a matrix-valued function, f is a smooth function and satisfies f(0)0 as well as f(s)κμsα for all s0, where κ0, μ>0 and α>1. For all sufficiently smooth initial data, we establish the uniqueness and global boundedness of classical solution (u,v,w) in Ω×(0,) if α>N4+12.



中文翻译:

具有间接信号产生和旋转通量的高维趋化系统的整体有界性

我们考虑具有间接信号产生和旋转灵敏度的趋化系统: Ťü=Δü-小号Xüvwv+FüXŤΩ×0Ťv=Δv-v+wXŤΩ×0Ťw=Δw-w+üXŤΩ×0在光滑的有界域中 Ω[Rññ2,在哪里 小号Xüvw[Rñ×ñ 是矩阵值函数, F 是一个平稳的功能并满足 F00 以及 Fsκ-μsα 对所有人 s0,在哪里 κ0μ>0α>1个。对于所有足够平滑的初始数据,我们建立了经典解的唯一性和全局有界性üvwΩ×0 如果 α>ñ4+1个2

更新日期:2020-08-24
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