[FOM] A new geometry (in Klein´s sense)?

lagnese@ngi.it lagnese at ngi.it
Fri Feb 17 10:16:26 EST 2006

Dana Scott wrote:
> I think it is easy to prove that when M = R^n and the distance
> is the usual n-dimensional Euclidean metric, then the group
> of such mappings is just the usual group rigid motions of
> Euclidean space.

f(v)=2v is in the group of such mappings but it is not a rigid motion.


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