Eric Weinstein

@EricRWeinstein ↗

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Last Checked Nov. 23, 2022

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Sun Nov 06 16:05:41 +0000 2022

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Eric Weinstein @EricRWeinstein

A4 Cont.: Only 1x1 matrices commute. NxN matrices do not! And if A.B isn’t B.A, the system goes non-linear. So if you have 2 countries with 2 currencies, the commutative case doesn’t work at all. You need to use Freeman Dyson’s system of Time Ordered Products to save inflation. — PolitiTweet.org

Posted Nov. 6, 2022

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Eric Weinstein @EricRWeinstein

Q4: Why do you say indexes are Group-Valued? Isn’t inflation just a number? A4: Here goes. In the most famous case you *can* get away with a number. But that 8.9% style CPI nonsense is actually secretly a 1x1 matrix in GL(1,R). And that actually matters! Why? B/c Non-linearity. — PolitiTweet.org

Posted Nov. 6, 2022

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Eric Weinstein @EricRWeinstein

A4 Cont.: But even in the case of one Currency like the Dollar, economists don’t get the group issue. True COLAs are valued in an *infinite* dimensional non-commutative group called DIFF_0(R^+) equivalent to increasing differentiable functions from 0–>♾ reparameterizing ‘Utils’. — PolitiTweet.org

Posted Nov. 6, 2022