Quantitative almost-everywhere density conjecture for infinite subsets under interval exchanges

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Let I=[0,1]I=[0,1], let XX be an infinite subset of II, and let TT be an interval exchange transformation (IET) of II. Quantitative density conjecture. For almost every IET TT,

inf⁡nn dH(⋃k=0n−1TkX,I)=0.\inf_n n\,d^H\left(\bigcup_{k=0}^{n-1}T^kX,I\right)=0.

This is a quantitative strengthening concerning the Hausdorff-density rate of finite orbit unions of infinite sets under interval exchanges. The supplied text gives no resolution or partial result for this claim.

References

Primary source

Changguang Dong, “On density of infinite subsets I”, arXiv:1709.05591 (2017).

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