Almost-everywhere density conjecture for infinite subsets under interval exchange transformations

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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. Almost-everywhere density conjecture. For almost every IET TT,

inf⁡ndH(TnX,I)=0.\inf_n d^H(T^nX,I)=0.

This conjecture asks whether every infinite subset of the interval comes arbitrarily close to the whole interval under some iterate of almost every interval exchange transformation. 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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