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Infinitely many solutions for quasilinear Schrödinger equation with concave-convex nonlinearities

  • Lijuan Chen,
  • Caisheng Chen,
  • Qiang Chen,
  • Yunfeng Wei

摘要

In this work, we study the existence of infinitely many solutions to the following quasilinear Schrödinger equations with a parameter α and a concave-convex nonlinearity: 0.1 Δ p u + V ( x ) | u | p 2 u Δ p ( | u | 2 α ) | u | 2 α 2 u = λ h 1 ( x ) | u | m 2 u + h 2 ( x ) | u | q 2 u , x R N , \(\begin{aligned}& -\Delta _{p}u+V(x) \vert u \vert ^{p-2}u-\Delta _{p}\bigl( \vert u \vert ^{2\alpha}\bigr) \vert u \vert ^{2\alpha -2}u= \lambda h_{1}(x) \vert u \vert ^{m-2}u+h_{2}(x) \vert u \vert ^{q-2}u, \\& \quad x\in {\mathbb{R}}^{N}, \end{aligned}\) where Δ p u = div ( | u | p 2 u ) $\Delta _{p}u=\operatorname{div}(|\nabla u|^{p-2}\nabla u)$ , 1 < p < N $1< p< N$ , λ 0 $\lambda \ge 0$ , and 1 < m < p < 2 α p < q < 2 α p = 2 α p N N p $1< m< p<2\alpha p<q<2\alpha p^{*}=\frac{2\alpha pN}{N-p}$ . The functions V ( x ) $V(x)$ , h 1 ( x ) $h_{1}(x)$ , and h 2 ( x ) $h_{2}(x)$ satisfy some suitable conditions. Using variational methods and some special techniques, we prove that there exists λ 0 > 0 $\lambda _{0}>0$ such that Eq. (0.1) admits infinitely many high energy solutions in W 1 , p ( R N ) $W^{1,p}({\mathbb{R}}^{N})$ provided that λ [ 0 , λ 0 ] $\lambda \in [0,\lambda _{0}]$ .