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Entire solutions to sublinear elliptic problems on harmonic NA groups and Euclidean spaces
Annali di Matematica Pura ed Applicata ( IF 1 ) Pub Date : 2020-04-30 , DOI: 10.1007/s10231-020-00983-6
Ewa Damek , Zeineb Ghardallou

We give necessary and sufficient conditions for the existence of entire solutions bounded or large of the equation \({\mathcal {L}}u - p\psi (u) =0\), where \({\mathcal {L}}\) is either the Laplace operator on \({\mathbb {R}} ^d\), \(d\ge 3\) or the Laplace–Beltrami operator on the harmonic NA group and p is a function whose oscillation tends to zero at infinity at a specified rate. The results apply to noncompact rank one symmetric spaces.



中文翻译:

调和NA群和欧氏空间上次线性椭圆问题的整体解。

我们为方程\({\ mathcal {L}} u-p \ psi(u)= 0 \)的有界或较大的整体解的存在给出了充分必要的条件,其中\({\ mathcal {L}} \)\({\ mathbb {R}} ^ d \)\(d \ ge 3 \)上的Laplace算符,或者是谐波NA组上的Laplace-Beltrami算符,并且p是一个函数,其振荡倾向于以指定速率无穷大为零。结果适用于非紧致的一阶对称空间。

更新日期:2020-04-30
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