The converse to uniform complexity implying dimension equality for sofic self-affine fractals

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Let SD2NS \subset D_2^{\mathbb{N}} be a sofic system with primitive adjacency matrix. Let XX be the associated self-affine fractal, and say that SS has uniform complexity when the uniform complexity condition defined in the paper holds. Uniform-complexity converse conjecture. The Hausdorff and Minkowski dimensions of XX are equal if and only if SS has uniform complexity:

dimH(X)=dimM(X)S has uniform complexity.\mathrm{dim}_{\mathrm{H}}(X)=\mathrm{dim}_{\mathrm{M}}(X) \quad\Longleftrightarrow\quad S\text{ has uniform complexity}.

The forward implication is the conjectured converse to the preceding corollary, while the reverse implication is established there. The claim concerns when these two dimension notions coincide for sofic self-affine fractals with primitive adjacency matrix.

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Primary source

Nima Alibabaei, “Improved dimension theory of sofic self-affine fractals”, arXiv:2408.06637 (2024).

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