Perelman's bi-Lipschitz stability conjecture for Alexandrov spaces
Let
be a non-collapsed Gromov–Hausdorff-convergent sequence of compact Alexandrov spaces of dimension with curvature bounded below by . Perelman's bi-Lipschitz stability conjecture. There exists such that, for every sufficiently large , is -bi-Lipschitz equivalent to . The compactness of the limit implies that the diameters of the are uniformly bounded. This is a stability question for Alexandrov spaces under non-collapsed Gromov–Hausdorff convergence; the supplied text gives no resolution.
References
Primary source
Shouhei Honda and Andrea Mondino, “Gap phenomena under curvature restrictions”, arXiv:2410.04985 (2025).
Additional references
2 papers in this index state this conjecture (2015–2024). The statement above is taken from the most recent of them; the others are arXiv:1507.08211.
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