We present here an aperiodic wind-tree model. We show that generically its dynamics is ergodic for a large set of directions.

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Cite :
Alba Málaga Sabogal, Serge Troubetzkoy. (2016) “Ergodicity of the Ehrenfest wind–tree model.” Comptes Rendus Mathematique. Volume 354, Issue 10, Pages 1032-1036.