Darren New wrote:
> Kevin Wampler wrote:
>> If I recall correctly, the specifics of the possibilities he suggest 
>> for how the current laws of physics can be computed by a CA are also 
>> provably wrong under a rather reasonable set of assumptions. 
> 
> I'd like to see that link. Sounds interesting.
> 
> But, yeah, I think the ones I've seen that are close to right are 
> networks with the distance between nodes being roughly plank length, and 
> the only important thing is the number of links coming from each node 
> and where they go.  Not quite "cellular" as such, but similar.

I'm not sure that this is the same paper I was thinking of, but if not 
it seems to have more or less the same content.  The interesting bit is 
in section 3 and in particular subsection 3.2:

http://arxiv.org/abs/quant-ph/0206089

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