S. Terracini, G. Tortone, S. Vita:
On s-harmonic functions on cones
Analysis & PDE 2018

L. Brasco, E. Cinti, S. Vita:
A quantitative stability estimate for the fractional Faber-Krahn inequality
J. Funct. Anal. (Accepted Paper) p. 36, 2020

S. Terracini, G. Tortone, S. Vita:
Higher order boundary Harnack principle via degenerate equations
(preprint) 2022

A. De Luca, V. Felli, S. Vita:
Strong unique continuation and local asymptotics at the boundary for  fractional elliptic equations
Advances in Mathematics 2022

S. Terracini, G. Tortone, S. Vita:
A priori regularity estimates for equations degenerating on nodal sets
(preprint) 2024

A. De Luca, V. Felli, S. Vita:
Unique continuation from conical boundary points for fractional
  equations
(preprint) 2024