4 datasets found

We consider random walks in Dirichlet environment (RWDE) on $\Z ^d$, for $ d \geq 3 $, in the sub-ballistic case. We associate to any parameter $ (\alpha_1, \dots,...

Random walks in random environment have raised a great interest in the last few years, both among applied scientists, notably as a way to refine models by taking...

18 pages

We sharpen the ellipticity criteria for random walks in i.i.d. random environments introduced by Campos and Ramírez which ensure ballistic behavior. Furthermore, we...