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Existence of solutions to a Neumann boundary value problem with exponential nonlinearity
Journal of Mathematical Analysis and Applications ( IF 1.3 ) Pub Date : 2021-07-01 , DOI: 10.1016/j.jmaa.2021.125458
Chang-Jian Wang , Gao-Feng Zheng

This paper is concerned with the solutions to the following sinh-Poisson equation with Hénon term{Δu+u=ε2|xq1|2α1|xqn|2αn(eueu),u>0,inΩ,uν=0,onΩ, where ΩR2 is a bounded, smooth domain, ε>0, α1,...,αn(0,)N, and q1,...,qnΩ are fixed. Given any two non-negative integers k,l with k+l1, it is shown that, for sufficiently small ε>0, there exists a solution uε for which ε2|xq1|2α1|xqn|2αn(eueu) asymptotically (i.e. the limit as ε0) develops k+n interior Dirac measures and l boundary Dirac measures. The location of blow-up points is characterized explicitly in terms of Green's function of Neumann problem and the function k(x)=|xq1|2α1|xqn|2αn.



中文翻译:

具有指数非线性的 Neumann 边值问题解的存在性

这篇论文关注的是以下带有 Hénon 项的 sinh-Poisson 方程的解{-Δ+=ε2|X-q1|2α1|X-qn|2αn(电子-电子-),>0,Ω,ν=0,Ω, 在哪里 Ω电阻2 是一个有界的光滑域, ε>0, α1,...,αn(0,)N, 和 q1,...,qnΩ是固定的。给定任意两个非负整数,+1,这表明,对于足够小的 ε>0,有解 ε 为此 ε2|X-q1|2α1|X-qn|2αn(电子-电子-) 渐近地(即极限为 ε0) 发展 +n内部狄拉克测度和l边界狄拉克测度。爆炸点的位置根据诺依曼问题的格林函数和函数进行了明确的表征(X)=|X-q1|2α1|X-qn|2αn.

更新日期:2021-07-04
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