A sign-changing solution for the Schrödinger-Poisson equation

Claudianor O. Alves, Marco A. S. Souto, Sérgio H. M. Soares

We find a sign-changing solution for a class of Schrödinger-Poisson system in ${\mathbb{R}}^3$ as an existence result by minimization in a closed subset containing all the sign-chang…