Assouad dimension conjecture for continuum trees

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Let ff be an excursion function on [0,1][0,1], let Gf={(t,f(t)):t∈[0,1]}⊆R⁡2\mathcal{G}_f=\{(t,f(t)):t\in[0,1]\}\subseteq\operatorname{\mathbb{R}}^2 be its graph, and let TfT_f be the associated continuum tree. A continuum tree is starry if it has the property intended by the source's terminology.

Assouad dimension conjecture. If

dim⁡AGf>1,\dim_{\mathrm{A}}\mathcal{G}_f>1,

then TfT_f is starry.

This conjecture proposes that the extremal local complexity measured by Assouad dimension forces the associated continuum tree to be starry. The source does not state a resolution.

References

Primary source

Sascha Troscheit, “On quasisymmetric embeddings of the Brownian map and continuum trees”, arXiv:1912.07291 (2020).

Additional references

2 papers in this index state this conjecture (2018–2019). The statement above is taken from the most recent of them; the others are arXiv:1810.00984.

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