Subdiffusive behavior generated by irrational rotations
Huveneers, François (2009), Subdiffusive behavior generated by irrational rotations, Ergodic Theory and Dynamical Systems, 29, 4, p. 1217-1233. http://dx.doi.org/10.1017/S0143385708000680
Type
Article accepté pour publication ou publiéExternal document link
http://hal.archives-ouvertes.fr/hal-00701757Date
2009Journal name
Ergodic Theory and Dynamical SystemsVolume
29Number
4Publisher
Cambridge University Press
Pages
1217-1233
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Huveneers, FrançoisAbstract (EN)
We study asymptotic distributions of the sums yn(x)=∑ k=0n−1ψ(x+kα) with respect to the Lebesgue measure, where αxs2208xs211D−xs211A and where ψ is the 1-periodic function of bounded variation such that ψ(x)=1 if xxs2208[0,1/2[ and ψ(x)=−1 if xxs2208[1/2,1[. For every αxs2208xs211D−xs211A, we find a sequence (nj)jxs2282xs2115 such that $y_{n_j}/\sqrt j$ is asymptotically normally distributed. For n≥1, let znxs2208(ym)m≤n be such that xs2016znxs2016L2=max m≤nxs2016ymxs2016L2. If α is of constant type, we show that zn/xs2016znxs2016L2 is also asymptotically normally distributed. We give a heuristic link with the theory of expanding maps of the interval.Subjects / Keywords
Asymptotes; Measure theoryRelated items
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