Abstract
SYNOPTIC ABSTRACTBilliards with focusing boundaries have nonuniform hyperbolicity and polynomial decay of correlations. Their dynamics exemplify a delicate transition from regular behavior to chaos, which makes them particularly interesting in mathematical physics. We present a rigorous analysis of correlations for a class of rectangular billiards with diamond obstacles, and prove the decay rate of correlations is of order ((In n)2/n).
Published Version
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