Exceptional graphs for the random walk

Juhan Aru, Carla Groenland, Tom Johnston +3

If $\mathcal{W}$ is the simple random walk on the square lattice ${\mathbb{Z}}^2$, then $\mathcal{W}$ induces a random walk ${\mathcal{W}}_G$ on any spanning subgraph $G\subset \mathbb…