Tim May:
        I don't have a comprehensive theory of time, 
        but I am very fond of  "causal time."

Sometimes we read papers saying there is now
experimental evidence that quantum phenomena
are "a-causal" or "non-causal" or  "out-of-time". 

See, in example, these recent papers
http://arxiv.org/abs/quant-ph/0110124
http://arxiv.org/abs/quant-ph/0201036

Now, can lattices capture also those important
features?
s.





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