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May 6, 2021 at 16:44 vote accept Jialong Deng
May 6, 2021 at 16:34 answer added Anton Petrunin timeline score: 1
May 3, 2021 at 15:07 answer added Moishe Kohan timeline score: 3
May 3, 2021 at 14:44 answer added Johannes Hahn timeline score: 2
May 3, 2021 at 11:07 history edited gmvh CC BY-SA 4.0
Fixed typo in title, minor copyediting, added tags
May 3, 2021 at 11:02 history edited Jialong Deng CC BY-SA 4.0
added 243 characters in body
May 3, 2021 at 1:35 comment added Moishe Kohan Not in this generality. Imagine that $X$ is the unit sphere with a single hair sticking out of it and $Y$ is that sphere. Now, flatten this hair. However the claim might be true for closed topological manifolds.
May 1, 2021 at 14:40 comment added Jialong Deng en.wikipedia.org/wiki/Intrinsic_metric
May 1, 2021 at 14:18 comment added Gerald Edgar Perhaps add the definition (or link) of length space.
May 1, 2021 at 12:32 history asked Jialong Deng CC BY-SA 4.0