Classification of solutions to Hardy-Sobolev Doubly Critical Systems

Abstract

This work deals with a family of Hardy-Sobolev doubly critical system defined in ${\mathbb{R}}^n$. More precisely, we provide a classification of the positive solutions, whose expressions comprise multiplies of solutions of the decoupled scalar equation. Our strategy is based on the symmetry of the solutions, deduced via a suitable version of the moving planes technique for cooperative singular systems, joint with the study of the asymptotic behavior by using the Moser's iteration scheme.