Timeline for Concavity of the distance function to the boundary of Alexandrov space
Current License: CC BY-SA 4.0
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| Jul 25, 2020 at 12:55 | comment | added | Igor Belegradek | This is due to Perelman, see his preprint ""Alexandrov's space with curvatures bounded from below II" available at Petrunin's homepage. The matter is also discussed in Woerner's thesis (corollary 2.8), "Boundary strata of nonnegatively curved Alexandrov Spaces and a Splitting Theorem" which you can find online. | |
| Jul 25, 2020 at 5:48 | history | asked | asv | CC BY-SA 4.0 |