D. Mugnai, D. Pagliardini: Existence and multiplicity results for the fractional Laplacian in bounded domains Advances in Calculus of Variations p. 20, 2015 D. Pagliardini: Multiplicity of critical points for the fractional Allen-Cahn energy Electronic Journal of Differential Equations Vol. 2016, N. 119, p. 1-12, 2016 D. Pagliardini: Minimality via second variation for a functional involving fractional perimeter (Submitted Paper) 2017 D. Pagliardini: Minimizers for a fractional Allen-Cahn equation in a periodic medium (Submitted Paper) p. 24, 2017 D. Pagliardini: Fractional minimal surfaces and Allen-Cahn equations (Phd Thesis) 2018 A. Malchiodi, M. Novaga, D. Pagliardini: On critical points of the relative fractional perimeter Annales IHP - Analyse Nonlineaire Vol. 38, N. 5, p. 14071428, 2021