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On positive solutions generated by semi-strong saturation effect for the Gierer-Meinhardt system

机译:关于Gierer-Meinhardt系统的半强饱和效应产生的正解

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In this paper, we study the existence and the asymptotic behavior of a positive solution to the one-dimensional stationary shadow system of the Gierer-Meinhardt system with saturation. We equip a reaction term of activator with saturation effect k0ε~(2α) for α ∈ (0,1) (semi-strong saturation effect). Here, ε > 0 stands for the diffusion constant of activator. For sufficiently small e, we show the existence of a new type of solutions which has the following properties: (a) the solution has an internal transition-layer of O(ε) in width, (b) the transition-layer is located in the position of O(ε~α) from the boundary x = 0, (c) the solution concentrates at x = 0 with the amplitude of the order of O(ε~α) when ε<< 1.
机译:在本文中,我们研究了具有饱和Gierer-Meinhardt系统的一维固定阴影系统正解的存在性和渐近性。我们为活化剂的反应项配备α∈(0,1)的饱和效应k0ε〜(2α)(半强饱和效应)。在此,ε> 0表示活化剂的扩散常数。对于足够小的e,我们表明存在一种具有以下性质的新型解决方案:(a)该解决方案的内部过渡层的宽度为O(ε),(b)过渡层位于O(ε〜α)从边界x = 0开始的位置,(c)当ε<< 1时,溶液以O(ε〜α)的幅度集中在x = 0处。

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