机译:Planar Random Walk in a Stratified Quasi-periodic Environment
Universite Paris-Est Creteil, CNRS, LAMA, F-94010 Creteil, France. Univ. Gustave Eiffel, LAMA, F-77447 Marne-la-Vallee, France;
Markov chain; recurrence; stratified environment; quasi-periodic environment;