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Sign-changing solutions for nonlinear Schrödinger–Poisson systems with subquadratic or quadratic growth at infinity
Nonlinear Analysis ( IF 1.3 ) Pub Date : 2020-04-15 , DOI: 10.1016/j.na.2020.111897 Lihua Gu , Hua Jin , Jianjun Zhang
中文翻译:
具有无限二次或二次增长的非线性Schrödinger-Poisson系统的符号转换解决方案
更新日期:2020-04-15
Nonlinear Analysis ( IF 1.3 ) Pub Date : 2020-04-15 , DOI: 10.1016/j.na.2020.111897 Lihua Gu , Hua Jin , Jianjun Zhang
This paper is dedicated to investigating the existence of sign-changing solutions to the following Schrödinger–Poisson system where and is subquadratic or quadratic at infinity. By using the method of invariant sets of descending flow, we prove that the problem above admits multiple radial sign-changing solutions in the subquadratic case as small. As for the quadratic case, by virtue of a perturbation argument, we show that this problem admits at least one sign-changing solution as small.
中文翻译:
具有无限二次或二次增长的非线性Schrödinger-Poisson系统的符号转换解决方案
本文致力于调查以下Schrödinger-Poisson系统的符号转换解决方案的存在 哪里 和 是次二次或二次于无限远。通过使用下降流不变集的方法,我们证明了上述问题在次二次情况下允许多个径向符号改变解为小。对于二次情况,通过摄动论证,我们证明该问题至少允许一个符号转换解为 小。