Popis: |
The analysis of nonlocal discrete equations driven by fractional powers of the discrete Laplacian on a mesh of size $h>0$ \[ (-\Delta_h)^su=f, \] for $u,f:\mathbb{Z}_h\to\mathbb{R}$, $0 Comment: 39 pages. Submitted on 08/31/2016 and accepted on 03/21/2018. To appear in Advances in Mathematics |