Kevin Wampler schrieb:

> I think that this becomes problematic for measuring between points which 
> aren't connectible by a lightlike geodesic, but maybe there's some 
> clever way around that (although I don't see how).

Well, if two points cannot be reached from one another - is there /any/ 
way to assign a distance to these points at all?

So I think this is a non-issue.

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