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一类非线性椭圆方程爆破解的渐近行为 被引量:9

Asymptotic Behavior of Large Solutions to a Class of Nonlinear Elliptic Equations
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摘要 利用摄动方法和构造比较函数,研究了一类含有加权梯度项的非线性椭圆方程Δu=b(x)eu±c(x)︱▽uq,x∈Ω;u︱Ω=+∞的爆破解的渐近行为,其中Ω是RN中的有界光滑区域,q≥0,权函数b(x),c(x)∈Cα(Ω),α∈(0,1),且是Ω内的非负函数. By a perturbation method and construction comparison functions, the behavior of large solutions near the boundary to nonlinear elliptic problems Δu=b(x)eu±c(x)︱▽uq,x∈Ω;u︱Ω=+∞ is studied, where 0 is a bounded N domain with smooth boundary in RN , q ≥ 0, the weight b(x),c(x)∈Cα(Ω),α∈(0,1), and are non-negative functions in Ω.
机构地区 南通大学理学院
出处 《南通大学学报(自然科学版)》 CAS 2012年第2期82-87,共6页 Journal of Nantong University(Natural Science Edition) 
基金 南通市应用研究计划项目(K2010042)
关键词 非线性椭圆方程 爆破解 渐近行为 nonlinear elliptic equation large solution asymptotic behavior
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参考文献15

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