次临界 Choquard 方程的多解

Abstract

Abstract:

In this paper, we are concerned with the multiplicity of solutions for the following subcritical Choquard equation

$\begin{equation*} \begin{cases} -{\Delta}{u}+(\lambda V(x)+1)u=\Big(\int_{\mathbb{R}^N}\frac{|u(y)|^{p_{\varepsilon}}}{|x-y|^\mu}{\rm d}y\Big)|u|^{p_{\varepsilon}-2}u,\quad x\in\mathbb{R}^N,\\{u\in{{H}}^{1}{(\mathbb{R}^N)}}, \end{cases}\end{equation*}$

where $N>3$ , $\lambda$ is a real parameter, $p_{\varepsilon}=2^\ast_{\mu}-\varepsilon$ , $\varepsilon>0$ , $\mu\in(0,N)$ and $2^\ast_{\mu}=\frac{2N-\mu}{N-2}$ is the critical Hardy-Littlewood-Sobolev exponent. Suppose that $\Omega:={\rm int}\,V^{-1}(0)$ is a nonempty bounded domain in $\mathbb{R}^N$ with smooth boundary, using Lusternik-Schnirelman theory, we prove the problem (0.1) has at least $cat_\Omega(\Omega)$ positive solutions for $\lambda$ large and $\varepsilon$ small enough.

Key words: Subcritical Choquard equation, Lusternik-Schnirelman theory, Multiplicity of solutions

CLC Number:

O175.25

Wen Ruijiang, Liu Fanqin, Xu Ziyi. Multiplicity of Positive Solutions to Subcritical Choquard Equation[J].Acta mathematica scientia,Series A, 2024, 44(1): 60-79.

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References 31

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Multiplicity of Positive Solutions to Subcritical Choquard Equation

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