Universal interior conjecture for sums of incommensurable missing digits sets

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Let A,B⊂[0,1]A,B\subset[0,1] be missing digits sets with bases pAp_A and pBp_B, and define Tx(y)=xyT_x(y)=xy. Universal interior conjecture. Suppose that

log⁡pAlog⁡pB∉Q\frac{\log p_A}{\log p_B}\notin\mathbb{Q}

and

dim⁡HA+dim⁡HB>1.\dim_{\mathrm{H}}A+\dim_{\mathrm{H}}B>1.

Then A+Tx(B)A+T_x(B) contains a non-trivial interval for every x∈R∖0x\in\mathbb{R}\setminus\\{0\\}. If log⁡pA/log⁡pB∈Q\log p_A/\log p_B\in\mathbb{Q}, then A+Tx(B)A+T_x(B) contains a non-trivial interval for every irrational xx. This is proposed as a stronger, precise form of genericity for sums of missing digits sets; the source presents it as suspected and does not provide a proof.

References

Primary source

Han Yu, “On the absolute continuity of radial and linear projections of missing digits measures”, arXiv:2309.01298 (2023).

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