Multiple solutions for some nonlinear Schrödinger equations with indefinite linear part
Authors:
Feizhi Wang
Affiliation:
Department of Mathematics, Yantai University, Yantai 264005, Shangdong, PR China
Abstract:
We consider a class of nonlinear Schrödinger equation with indefinite linear part in RN. We prove that the problem has at least three nontrivial solutions by means of Linking Theorem and (∇)-Theorem.