Quantitative Hausdorff measure conjecture for singular strata of Alexandrov spaces

Let n\mathdsNn\in\mathds{N}, let kk be a nonnegative integer, and let (X,p)Alexn(1)(X,p)\in\operatorname{Alex}^n(-1), where Sϵk\mathcal{S}^k_\epsilon denotes the ϵ\epsilon-singular stratum. Hausdorff measure conjecture. There is a constant C(n)>0C(n)>0 such that

Hk(SϵkB1(p))<C(n)ϵ1(nk).\mathcal{H}^{k}(\mathcal{S}^{k}_\epsilon\cap B_1(p))<C(n)\epsilon^{1-(n-k)}.

The conjecture proposes an explicit dependence on ϵ\epsilon for the Hausdorff measure estimate supplied by the preceding corollary. Its status is not resolved in the provided source context.

Sources & referencesView supporting material

Primary source

Nan Li and Aaron Naber, “Quantitative Estimates on the Singular Sets of Alexandrov Spaces”, arXiv:1912.03615 (2019).

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