My essay on the question “Is Reality Digital or Analog?” for FQXi has now made it online . It’s about how the universe could work like a quantum computer, and how this might be realised in string theory. Of course it is speculative and philosophical in nature but that is what these FQXi contests require. The claim is supported by a demonstration that the one-loop partition function for bosonic string theory is the same as the partition function for a system of four qubits. This is derived from my work on the relationship between hyperdeterminants and elliptic curves.

I’m going to disable comments on this post in the hope that people will use the comments system of the FQXi forum instead if they want to say something.

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