On compact embeddings in ${\mathbf{L}}^{\mathbf{p}}$ and fractional spaces

Hamilton Bueno, Aldo Medeiro, Olimpio Miyagaki +1

The study of the fractional Laplacian operator $(-\Delta {)}^s$ in ${\mathbb{R}}^N$ with Dirichlet boundary conditions gained enormous momentum through its identification with a Neumann oper…