All non-periodic points satisfy the Poisson limit law under exponential mixing
All non-periodic points satisfy the Poisson limit law under exponential mixing
Let be an exponentially mixing dynamical system, and let be a non-periodic point. Let be distributed according to the invariant measure , and let denote the distance from to the -th closest point among the orbit segment . Proposition (a) asserts that, for almost all , the number of visits of to converges to a Poisson distribution with parameter as , and that the rescaled order statistics form a Poisson process.
Exponential-mixing conjecture. If is exponentially mixing, then the conclusion of Proposition (a) holds for all non-periodic points .
This would strengthen the almost-everywhere conclusion of Proposition (a) by identifying every non-periodic point as a point where the Poisson limit law holds. The supplied text gives no resolution of this question.
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Primary source
Dmitry Dolgopyat, Bassam Fayad and Sixu Liu, “Multiple Borel Cantelli Lemma in dynamics and MultiLog law for recurrence”, arXiv:2103.08382 (2021).
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