I had a good call with Paula Seraphim (NYU) today, who is doing a literature search on the physics relevant to the question “Do we live in a simulation?”. She found the classic papers by Dyson and by Frautschi in the 1980s on information processing in the expanding universe, and by Feynman on whether one quantum system can exactly simulate another. Meanwhile (really yesterday), I have got ready a class to teach for Blakesley Burkhart (Rutgers) about this subject: What does a physicist (as opposed to a philosopher, say) have to say about this question?
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