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RT @thejustinwelsh: Skills worth developing in your 20s: - Being auto-didactic - Learning how to sell - Learning how to listen - Learning…
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I'm not going to do too many X posts about this one for now, because it's too early for me to feel confident. But I worked up a draft paper on the Information Structure of Einselection here: https://t.co/IOdct93Rj5 The claim, in short, is that there is a correspondence between Zurek's predictability sieve and the minimization of Observational Entropy, suggesting that the pointer basis emerges at the informational saddle point between quantum back-action and environmental dissipation. When applied to the Kwiat-Zeilinger interaction-free measurement protocol, we can observe that the peak experimental efficiency coincides with the minimum of S_obs, lending empirical support to this information-theoretic characterization of the classical limit. I've sent the paper to a few people who know more about this than do I for their comment, but no matter how I try to find an anticipation for this mapping, I come up empty. It *seems* like nobody has pointed this out in print before? When I go back to Zurek's *Environment-induced superselection rules* 1982, I *feel* like it's all there already, but he never made the connection to interaction-free measurements, which turn out to be an excellent way to observe the connection. Similarly, I've looked at Bartolotta et al.'s *Bayesian Second Law of Thermodynamics* https://t.co/Yz4CmXsAYn as an independent analysis of entropy that starts with the same epistemic prior that entropy can be subjective, but they're taking the choice of measurement as a given, explaining how to update probabilities after a measurement. But nowhere do they suggest that the classical limit is excatly the regime in which their Bayesian update is most efficient, extracting the most knowledge for the least thermodynamic cost — which is the central claim in The Information Structure of Einselection. I have a follow up paper I'm working on now. I'll just keep going here until somebody points out how it's wrong or useless. It feels interesting at least.
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From Huawei Horror to Blackwell Bonanza… TheInformation never disappoints. (I would be very happy if that were true. "Several thousand Blackwells" is quite a notch better than what we know of their arsenal, and can massively speed up research. I think it's BS though)
We're in a race. It's not USA vs China but humans and AGIs vs ape power centralization. @deepseek_ai stan #1, 2023–Deep Time «C’est la guerre.» ®1
RT @devabram: Linux has finally ended the Rust experiment after years. The kernel is in a much better state this way. It seems the critic…
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