Euclidean balls solve some isoperimetric problems with nonradial weights

Xavier Cabré; Xavier Ros-Oton; Joaquim Serra

Comptes Rendus. Mathématique, Volume 350 (2012) p. 945-947

Fractional Laplacian: Pohozaev identity and nonexistence results

Xavier Ros-Oton; Joaquim Serra

Comptes Rendus. Mathématique, Volume 350 (2012) p. 505-508