当前位置: X-MOL 学术J. Differ. Equ. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Asymptotic stability in a quasilinear chemotaxis-haptotaxis model with general logistic source and nonlinear signal production
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2020-09-15 , DOI: 10.1016/j.jde.2020.07.027
Feng Dai , Bin Liu

This paper deals with the quasilinear chemotaxis-haptotaxis model of cancer invasion{ut=(D(u)u)+(S1(u)v)+(S2(u)w)+f(u,w),xΩ,t>0,τvt=Δvv+g1(w)g2(u),xΩ,t>0,wt=vw,xΩ,t>0 in a bounded smooth domain ΩRN(N1) with zero-flux boundary conditions, where τ{0,1}, the functions D(u),S1(u),S2(u)C2([0,)), f(u,w)C1([0,)2),g1(w),g2(u)C1([0,)) fulfill D(u)CD(u+1)α,S1(u)χu(u+1)β1,S2(u)ξu(u+1)γ1, f(u,w)u(aμur1λw),f(0,w)0,g1(w)0,0g2(u)Kuκ with CD,χ,ξ,μ,K,κ>0, λ0, r>1 and α,β,γ,aR. Under specific parameters conditions, it is shown that for any appropriately regular initial data, the associated initial-boundary value problem admits a globally bounded classical solution. Moreover, when f=u(aμur1λw), g1(w)1 and g2(u)=uκ, the asymptotic stability of solutions is also investigated. Specifically, for some a0,μ0>0 independent of (u0,v0), the bounded classical solution (u,v,w) exponentially converges to ((aμ)1r1,(aμ)κr1,0) in Lp(Ω)×L(Ω)×W1,(Ω) for any p2 if a>a0 and μ>μ0. These results improve or extend previously known ones, and partial results are new.



中文翻译:

具有一般逻辑源和非线性信号产生的拟线性趋轴-趋轴模型的渐近稳定性

本文研究了癌症入侵的准线性趋化-趋趋模型{üŤ=düü+小号1个üv+小号2üw+FüwXΩŤ>0τvŤ=Δv-v+G1个wG2üXΩŤ>0wŤ=-vwXΩŤ>0 在有界光滑域中 Ω[Rññ1个 在零通量边界条件下, τ{01个},功能 dü小号1个ü小号2üC2[0FüwC1个[02G1个wG2üC1个[0 履行 düCdü+1个-α小号1个üχüü+1个β-1个小号2üξüü+1个γ-1个Füwü一种-μü[R-1个-λwF0w0G1个w00G2üķüκCdχξμķκ>0λ0[R>1个αβγ一种[R。在特定的参数条件下,表明对于任何适当的规则初始数据,相关的初始边界值问题都允许全局有界经典解。而且,什么时候F=ü一种-μü[R-1个-λwG1个w1个G2ü=üκ,还研究了溶液的渐近稳定性。具体来说,对于一些一种0μ0>0 独立于 ü0v0,有界经典解 üvw 指数地收敛到 一种μ1个[R-1个一种μκ[R-1个0大号pΩ×大号Ω×w ^1个Ω 对于任何 p2 如果 一种>一种0μ>μ0。这些结果改进或扩展了先前已知的结果,部分结果是新的。

更新日期:2020-09-15
down
wechat
bug