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