Reversibility and the structure of the local state space — mentioned by n4r9

Fri, 24 Nov 2017 08:13:09 GMT

I made use of this astonishing (to me) fact a couple of years ago, in an article I co-authored on hypothetical physical theories [0]. We considered theories where the "Bloch sphere" [1] of a primitive system took the form of a regular convex polytope, and showed that this led to highly restricted multi-system dynamics. We used the fact that every facet was diametrically opposite to another facet, except in the case of odd-sided polygons, for which we had to drive the same thing in a different way. It wasn't a huge or surprising result, but it was a lot of fun to prove something that applied…

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Reversibility and the structure of the local state space · HackerPapers discussions

Reversibility and the structure of the local state space — mentioned by n4r9