Saddle solutions for the fractional Choquard equation

Yin-Xin Cui, Jiankang Xia

We study the saddle solutions for the fractional Choquard equation \begin{align*} (-Δ)^{s}u+ u=(K_α\ast|u|^{p})|u|^{p-2}u, \quad x\in \mathbb{R}^N \end{align*} where $s\in (0,1)$, $…