Maximum principles and related problems for a class of nonlocal extremal operators
Isabeau Birindelli, Giulio Galise, Delia Schiera · Annali di Matematica Pura ed Applicata (1923 -) · 2022
Abstract We study the validity of the comparison and maximum principles and their relation with principal eigenvalues, for a class of degenerate nonlinear operators that are extremal among operators with one-dimensional fractional diffusion.