The ANR version of Hausmann's theorem for Vietoris-Rips complexes

Let (X,dX)(X,d_X) be a compact ANR metric space, where ANR means an absolute neighborhood retract. Let VRr(X)\mathrm{VR}_r(X) denote the Vietoris-Rips complex at scale rr.

ANR Vietoris-Rips conjecture. There exists r(X)>0r(X)>0 such that

VRr(X)X\mathrm{VR}_r(X)\simeq X

for every r(0,r(X)]r\in(0,r(X)].

This is proposed as a version of Hausmann's theorem for compact ANR metric spaces. The source does not state whether the conjecture has been resolved.

Sources & referencesView supporting material

Primary source

Sunhyuk Lim, Facundo Memoli and Osman Berat Okutan, “Vietoris-Rips Persistent Homology, Injective Metric Spaces, and The Filling Radius”, arXiv:2001.07588 (2024).

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