Homogenization of generalized second-order elliptic difference operators

Alexandre B. Simas, Fabio J. Valentim

Fix a function $W(x_1,\dots ,x_d)={\sum }_{k=1}^d{W}_k(x_k)$ where each $W_k:\mathbb{R}\to \mathbb{R}$ is a strictly increasing right continuous function with left limits. For a di…