2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68918Excited random walk is a random walk that has a positive drift to the right when it reaches a vertex it hasn't been to before. We show that in three dimensions the walk drifts to the right in non-zero speed.13 pagesProbabilityExcited random walk in three dimensions has positive speedtext