On existence results for a class of biharmonic elliptic problems without (AR) condition

Author:

Lu Dengfeng1,Dai Shuwei2

Affiliation:

1. School of Mathematics and Statistics, Hubei Engineering University, Xiaogan 432000, China

2. College of Technology, Hubei Engineering University, Xiaogan 432000, China

Abstract

<abstract><p>In this paper, we study the following biharmonic elliptic equation in $ \mathbb{R}^{N} $:</p> <p><disp-formula> <label/> <tex-math id="FE1"> \begin{document}$ \Delta^{2}\psi-\Delta \psi+P(x)\psi = g(x, \psi), \ \ x\in\mathbb{R}^{N}, $\end{document} </tex-math></disp-formula></p> <p>where $ g $ and $ P $ are periodic in $ x_{1}, \cdots, x_{N} $, $ g(x, \psi) $ is subcritical and odd in $ \psi $. Without assuming the Ambrosetti-Rabinowitz condition, we prove the existence of infinitely many geometrically distinct solutions for this equation, and the existence of ground state solutions is established as well.</p></abstract>

Publisher

American Institute of Mathematical Sciences (AIMS)

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