[FRIAM] All models are wrong - modeling Covid-19

Thu Apr 16 12:30:10 EDT 2020

Well, I love the idea that all the QM hocus pocus could just boil down to round off.   Your "free will" is truncation error.  Oops.   (Funny contrast with the last episode of Devs.)

Marcus
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From: Friam <friam-bounces at redfish.com> on behalf of uǝlƃ ☣ <gepropella at gmail.com>
Sent: Thursday, April 16, 2020 10:27 AM
To: FriAM <friam at redfish.com>
Subject: Re: [FRIAM] All models are wrong - modeling Covid-19

To be clear, the below aren't Nick's words, they're cut-n-paste from the paper.

On 4/16/20 9:23 AM, thompnickson2 at gmail.com wrote:
> It is usual to identify initial conditions of classical dynamical systems with mathematical real numbers. However, almost all real numbers contain an infinite amount of information. I argue that a finite volume of space can’t contain more than a finite amount of information, hence that the mathematical real numbers are not physically relevant. Moreover, a better terminology for the so-called real numbers is “random numbers”, as their series of bits are truly random. I propose an alternative classical mechanics, which is empirically equivalent to classical mechanics, but uses only finite-information numbers. This alternative classical mechanics is non-deterministic, despite the use of deterministic equations, in a way similar to quantum theory. Interestingly, both alternative classical mechanics and quantum theories can be supplemented by additional variables in such a way that the supplemented theory is deterministic. Most physicists straightforwardly supplement classical
> theory with real numbers to which they attribute physical existence, while most physicists reject Bohmian mechanics as supplemented quantum theory, arguing that Bohmian positions have no physical reality.

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