Stephen P. King (email@example.com)
Tue, 01 Jun 1999 14:59:42 -0400
Vaughan's response to my query:
attached mail follows:
>Would it be accurate to identify the probability density
>matrix with a Chu space?
I don't know, I would have to see the definition of morphism of
probability density matrices first. Do they in fact transform, and if
so what is the definition of such a transformation?
>What do you think would be the valuation of the k? [0,1]?
No, K would be the complex numbers. Only the diagonal entries of a
probability density matrix need be real, the off-diagonal entanglements
are arbitrary complex numbers.
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