Solutions for biharmonic equations with steep potential wells

Yuxia Guo, Zhongwei Tang, Lushun Wang

In this paper, we are concerned with the existence of least energy solutions for the following biharmonic equations: $${\Delta }^{2}u+(\lambda V(x)-\delta )u=|u{|}^{p-2}uin{\mathbb{R}}^N$$ wher…