| HAL : hal-00294301, version 1 |
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| Discrete and Continuous Dynamical Systems - Series A 21, 3 (2008) 729-747 |
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| LARGE DEVIATIONS FOR SHORT RECURRENCE |
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Miguel Abadi 1Sandro Vaienti 2, 3 |
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| (03/07/2008) |
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| Over a -mixing dynamical system we consider the function (Cn)/n in the limit of large n, where (Cn) is the first return of a cylinder of length n to itself. Saussol et al. ([30]) proved that this function is constant almost everywhere if the Cn are chosen in a descending sequence of cylinders around a given point. We prove upper and lower general bounds for its large deviation function. Under mild assumptions we compute the large deviation function directly and show that the limit corresponds to the R´enyi's entropy of the system. We finally compute the free energy function of (Cn)/n. We illustrate our results with a few examples. |
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| 1 : | Instituto de Matem´atica, Estat´ıstica e Computa¸cˆao Cient´ıfica |
| Universidade Estadual de Campinas; Bresil | |
| 2 : | Centre de Physique Théorique (CPT) |
| CNRS : FR2291 – Université de Provence - Aix-Marseille I – Université de la Méditerranée - Aix-Marseille II – Université Sud Toulon Var | |
| 3 : | Fédération de Recherche des Unités de MAthématiques de Marseille (FRUMAM) |
| CNRS : FR2291 – Université de Provence - Aix-Marseille I – Université de la Méditerranée - Aix-Marseille II – Université Paul Cézanne - Aix-Marseille III – Université Sud Toulon Var | |
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| Domaine | : | Mathématiques/Systèmes dynamiques |
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| Mixing – recurrence – overlapping – rare event – short correlation – large deviations |
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| Liste des fichiers attachés à ce document : | |||||
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| hal-00294301, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00294301 | |
| oai:hal.archives-ouvertes.fr:hal-00294301 | |
| Contributeur : Sandro Vaienti | |
| Soumis le : Mercredi 9 Juillet 2008, 10:57:39 | |
| Dernière modification le : Mercredi 9 Juillet 2008, 11:12:59 | |