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Mathematics professor at Cambridge

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revised Nonexistence of an approximately distance-preserving map between discrete cubes
added 779 characters in body
Jul
8
comment Nonexistence of an approximately distance-preserving map between discrete cubes
You're right about projection on to the first $n-1$ coordinates. Actually, the case that I'm really interested in is $n/2$ dimensions. In an hour or so I'll modify the question accordingly.
Jul
8
asked Nonexistence of an approximately distance-preserving map between discrete cubes