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Highly oscillatory behavior of the activator in the Gierer and Meinhardt system
Authors:Patricio Felmer  Salomé Martínez  Kazunaga Tanaka
Affiliation:(1) Departamento de Ingeniería Matemática, Centro de Modelamiento Matemático, UMI2807 CNRS-UChile, Universidad de Chile, Casilla 170 Correo 3, Santiago, Chile;(2) Department of Mathematics, School of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
Abstract:In this article we construct a new type of solutions for the Gierer and Meinhardt system
$$begin{array}{lll} -varepsilon^ 2u_{xx} + u &=& frac{u^2}{v}quad{rm in},(0,L), -v_{xx} + v &=& u^2 quad{rm in},(0, L), end{array}$$
with boundary conditions u x (0)  =  u x (L)  =  0 and v x (0)  =  v x (L)  =  0. As ε approaches zero, we construct a family of positive solution (u ε , v ε ) such that the activator u ε oscillates c 0/ε times, with c 0 in an appropriate range, while the inhibitor remains close to a limiting profile, which is a strictly decreasing function.
Keywords:  KeywordHeading"  >Mathematics Subject Classification (2000) 35B25  35J60
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