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Optimal global asymptotic behaviour of the solution to a class of singular Dirichlet problems
Proceedings of the Royal Society of Edinburgh Section A: Mathematics ( IF 1.3 ) Pub Date : 2020-09-17 , DOI: 10.1017/prm.2020.52 Zhijun Zhang
Proceedings of the Royal Society of Edinburgh Section A: Mathematics ( IF 1.3 ) Pub Date : 2020-09-17 , DOI: 10.1017/prm.2020.52 Zhijun Zhang
This paper is mainly concerned with the global asymptotic behaviour of the unique solution to a class of singular Dirichlet problems − Δu = b (x )g (u ), u > 0, x ∈ Ω, u |∂Ω = 0, where Ω is a bounded smooth domain in ℝn , g ∈ C 1 (0, ∞) is positive and decreasing in (0, ∞) with $\lim _{s\rightarrow 0^+}g(s)=\infty$ , b ∈ C α (Ω) for some α ∈ (0, 1), which is positive in Ω, but may vanish or blow up on the boundary properly. Moreover, we reveal the asymptotic behaviour of such a solution when the parameters on b tend to the corresponding critical values.
中文翻译:
一类奇异狄利克雷问题解的最优全局渐近行为
本文主要关注一类奇异狄利克雷问题的唯一解的全局渐近行为 - Δ你 =b (X )G (你 ),你 > 0,X ∈ Ω,你 |∂Ω = 0,其中 Ω 是 ℝ 中的有界平滑域n ,G ∈C 1 (0, ∞) 为正且在 (0, ∞) 中递减$\lim _{s\rightarrow 0^+}g(s)=\infty$ ,b ∈C α (Ω) 对于一些 α ∈ (0, 1),它在 Ω 中为正,但可能在边界上适当地消失或爆炸。此外,我们揭示了当参数为b 趋向于相应的临界值。
更新日期:2020-09-17
中文翻译:
一类奇异狄利克雷问题解的最优全局渐近行为
本文主要关注一类奇异狄利克雷问题的唯一解的全局渐近行为 - Δ