2 problems

Consider the Manna model on $\mathbb Z$. Let $\rho_s$ be its stationary density, let $\rho_{tr}$ be the transition density identified by the change in the long-time toppling behavi…

Let $\rho_s$ denote the stationary density of the Manna model on $\mathbb Z$. Sadhu's conjecture. The stationary density satisfies … Sadhu et al. estimate $\rho_s=0.953\ldots$ by e…