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Ballistic regime for random walks in random environment with unbounded jumps and Knudsen billiards

Ballistic regime for random walks in random environment with unbounded jumps and Knudsen billiards

We consider a random walk in a stationary ergodic environment in $\mathbb Z$, with unbounded jumps. In addition to uniform ellipticity and a bound on the tails of the possible jumps, we assume a condition of strong transience to the right which implies that there are no "traps". We prove …