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Central limit theorem and stable laws for intermittent maps
Dynamical Systems · Submitted 6 Nov 2002
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In the setting of abstract Markov maps, we prove results concerning the convergence of renormalized Birkhoff sums to normal laws or stable laws.
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In the setting of abstract Markov maps, we prove results concerning the convergence of renormalized Birkhoff sums to normal laws or stable laws. They apply to one-dimensional maps with a neutral fixed point at 0 of the form $x+x^{1+\alpha}$, for $\alpha\in (0,1)$. In particular, for $\alpha>1/2$, we show that the Birkhoff sums of a H\"older observable $f$ converge to a normal law or a stable law, depending on whether $f(0)=0$ or $f(0)\not=0$. The proof uses spectral techniques introduced by Sarig, and Wiener's Lemma in noncommutative Banach algebras.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In the setting of abstract Markov maps, we prove results concerning the convergence of renormalized Birkhoff sums to normal laws or stable laws. | contribution 0.80 | 0.94 | 0.81 | asserted 1.00 |
| s1 | They apply to one-dimensional maps with a neutral fixed point at 0 of the form $x+x^{1+\alpha}$, for $\alpha\in (0,1)$. | contribution 0.50 | 0.38 | 0.07 | asserted 0.99 |
| s2 | In particular, for $\alpha>1/2$, we show that the Birkhoff sums of a H\"older observable $f$ converge to a normal law or a stable law, depending on whether $f(0)=0$ or $f(0)\not=0$. | result 0.99 | 0.95 | 0.56 | asserted 1.00 |
| s3 | The proof uses spectral techniques introduced by Sarig, and Wiener's Lemma in noncommutative Banach algebras. | method 1.00 | 0.51 | 0.03 | asserted 0.99 |
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Original abstract
In the setting of abstract Markov maps, we prove results concerning the convergence of renormalized Birkhoff sums to normal laws or stable laws. They apply to one-dimensional maps with a neutral fixed point at 0 of the form $x+x^{1+\alpha}$, for $\alpha\in (0,1)$. In particular, for $\alpha>1/2$, we show that the Birkhoff sums of a H\"older observable $f$ converge to a normal law or a stable law, depending on whether $f(0)=0$ or $f(0)\not=0$. The proof uses spectral techniques introduced by Sarig, and Wiener's Lemma in noncommutative Banach algebras.
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