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Article Dans Une Revue Transactions of the American Mathematical Society Année : 2016

Escape Rates and Singular Limiting Distributions for Intermittent Maps with Holes

Résumé

We study the escape dynamics in the presence of a hole of a standard family of intermittent maps of the unit interval with neutral fixed point at the origin (and finite absolutely continuous invariant measure). Provided that the hole (is a cylinder that) does not contain any neighborhood of the origin, the surviving volume is shown to decay at polynomial speed with time. The associated polynomial escape rate depends on the density of the initial distribution, more precisely, on its behavior in the vicinity of the origin. Moreover, the associated normalized push forward measures are proved to converge to the point mass supported at the origin, in sharp contrast to systems with exponential escape rate. Finally, a similar result is obtained for more general systems with subexponential escape rates; namely that the Cesaro limit of normalized push forward measures is generally singular, invariant and supported on the asymptotic survivor set.
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Dates et versions

hal-00903238 , version 1 (10-11-2013)
hal-00903238 , version 2 (02-06-2014)

Identifiants

Citer

Mark Demers, Bastien Fernandez. Escape Rates and Singular Limiting Distributions for Intermittent Maps with Holes. Transactions of the American Mathematical Society, 2016, 368 (7), pp.4907-4932. ⟨10.1090/tran/6481⟩. ⟨hal-00903238v2⟩
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