MULTIPLE POSITIVE SOLUTIONS FOR THE GENERALIZED QUASILINEAR SCHRÖDINGER EQUATION IN $\mathbb{R}^N$

  • Yongpeng CHEN ,
  • Zhipeng YANG
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  • 1. Yunnan Key Laboratory of Modern Analytical Mathematics and Applications, Yunnan Normal University, Kunming 650500, China;
    2. School of Science, Guangxi University of Science and Technology, Liuzhou 545006, China;
    3. Department of Mathematics, Yunnan Normal University, Kunming 650500, China;
    4. Yunnan Key Laboratory of Modern Analytical Mathematics and Applications, Yunnan Normal University, Kunming 650500, China
Yongpeng Chen, E-mail: yongpengchen@mail.bnu.edu.cn

Received date: 2024-01-04

  Revised date: 2024-11-19

  Online published: 2025-10-14

Supported by

Chen's research was supported by the NSFC (12161007) and the Guangxi Natural Science Foundation Project (2023GXNSFAA026190). Yang's research was supported by the National Natural Science Foundation of China (12301145, 12261107), the Yunnan Fundamental Research Projects (202301AU070144, 202401AU070123).

Abstract

In this paper, we investigate the generalized quasilinear Schrödinger equation: $$ -\operatorname{div}\left(g^2(u) \nabla u\right)+g(u) g^{\prime}(u)|\nabla u|^2 +u=P(\varepsilon x) |u|^{\\\alpha p-2}u, \quad x \in \mathbb{R}^N, $$ where $N>3$, $g\!\!:\mathbb{R} \rightarrow \mathbb{R}^{+}$ is a $C^1$ even function, $g(0)=1$, $g^{\prime}(s) \geq 0$ for all $s \geq 0$, $g(s)=\beta|s|^{\alpha-1}+O\left(|s|^{\gamma-1}\right)$ as $s \rightarrow \infty$ for some constants $\alpha \in[1,2]$, $\beta>0$, $\gamma<\alpha$ and $(\alpha-1) g(s) \geq g^{\prime}(s) s$ for all $s \geq 0$, $\varepsilon>0$ is a positive parameter, and $p \in\left(2,2^*\right)$. We will study the impact of the nonlinearity's coefficient $P(x)$ on the quantity of positive solutions.

Cite this article

Yongpeng CHEN , Zhipeng YANG . MULTIPLE POSITIVE SOLUTIONS FOR THE GENERALIZED QUASILINEAR SCHRÖDINGER EQUATION IN $\mathbb{R}^N$[J]. Acta mathematica scientia, Series B, 2025 , 45(5) : 2010 -2028 . DOI: 10.1007/s10473-025-0512-0

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