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arXiv 1003.5632math.AP
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生态模型中一类带大平流的半线性椭圆型方程的集中现象

Concentration Phenomena of a Semilinear Elliptic Equation with Large Advection in an Ecological Model

King-Yeung Lam

摘要:

本文考虑一类迁移物种的生物模型中的反应-扩散-对流方程。研究了全局吸引解的定性性质,并在某些情况下确定了极限轮廓。特别地,Cantrell,Cosner和Lou关于浓度现象的一个猜想在温和的条件下得到解决。应用相关的抛物型竞争系统进行了讨论。

英文摘要:

We consider a reaction-diffusion-advection equation arising from a biological model of migrating species. The qualitative properties of the globally attracting solution are studied and in some cases the limiting profile is determined. In particular, a conjecture of Cantrell, Cosner and Lou on concentration phenomena is resolved under mild conditions. Applications to a related parabolic competition system is also discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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