Coarse graining: lessons from simple examples

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We assess Coarse Graining by studying different partitions of the phase space of the Baker transformation and the periodic torus automorphisms. It turns out that the shape of autocorrelation functions for the Baker transformation is more or less reproduced. However, for certain partitions the decay rates turn out to be irrelevant, even decay may stop in a finite time. For the periodic torus automorphisms, Coarse Graining introduces artificial dumping.

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Classical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/83959

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/0101077
 http://arxiv.org/abs/physics/0101077

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arXiv