Here’s my highly speculative and almost certainly wrong idea on time:
On Nov 29, 2018, at 5:15 AM, D J Makin via math-fun <math-fun@mailman.xmission.com> wrote:
My own take is that while it’s possible to model “time” as a Dimension, it isn’t actually a Dimension, it’s merely the experience of change of state in a system. My reason for this is AFAIK nowhere in (known) existence is something shown to “rotate” a spatial dimension into time, sure physical effects modify the local rate of change of state, but that’s the closest I can think of…...
As to 1 below, if a change of state involves the equivalent of roots or non-commutative math being done a particular way then it’s possible you get a hyperverse and going backwards becomes problematic since there’d not necessarily be any way of knowing which path got you there in a particular Universe.
On 29 Nov 2018, at 01:12, Dan Asimov <dasimov@earthlink.net> wrote:
Thoughts about what Mike wrote below:
1. I don't know about this arrow of time. I haven't kept up to date, but isn't there a theorem that if you reverse charge, parity, and time, any movie of something physically possible would still be possible if run backward? (And if charge and parity are not involved, then you can just run the same movie backward without change.) <snip>
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