Full-dimensional parameter set for the CS property

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Let U⊂RkU\subset\mathbb R^k be the parameter space of the iterated function systems Φu\Phi_u, and let m\mathfrak m be a slowly decaying σ\sigma-invariant ergodic probability measure satisfying

h(m)>−(λ1(m,u)+⋯+λd(m,u))\mathfrak h(\mathfrak m)>-\bigl(\lambda_1(\mathfrak m,u)+\cdots+\lambda_d(\mathfrak m,u)\bigr)

for Lebesgue almost every u∈Uu\in U. Full-dimensional CS-property conjecture. Under some weak assumptions on the maps AiA_i and tit_i, there exists U′⊂UU'\subset U such that dim⁡H(U′)=k\dim_H(U')=k, and for every u∈U′u\in U', the IFS Φu\Phi_u satisfies the CS property with respect to m\mathfrak m. The CS property is the overlap-related property defined in the paper; the supplied text gives no resolution and only motivates the conjecture by analogy.

References

Primary source

Simon Baker, “Overlapping iterated function systems from the perspective of Metric Number Theory”, arXiv:1901.07875 (2020).

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