On the Neumann Problem of Hardy-Sobolev critical equations with the multiple singularities

Masato Hashizume, Chun-Hsiung Hsia, Gyeongha Hwang

Let $N\ge 3$ and $\Omega \subset {\mathbb{R}}^N$ be $C^2$ bounded domain. We study the existence of positive solution $u\in H^1(\Omega )$ of \begin{align*} \left\{ \begin{array}{l} -Δu + λu =…