Min-max formulas for nonlocal elliptic operators

Nestor Guillen, Russell W. Schwab

In this work, we give a characterization of Lipschitz operators on spaces of $C^2(M)$ functions (also $C^{1,1}$, $C^{1,\gamma }$, $C^1$, $C^{\gamma }$) that obey the global comparison property--…