Jochen -
I know a lot of people who would like to "bobble up" until Nov 4 or maybe Jan 21 or maybe after 2030... but Vinge's tale is very much a cautionary one!
- Steve
Here is the link to the preprint
Quantum theory is mentioned in the article only in the introduction, although the place where Quantum Theory and General Relativity meet is where it gets interesting :-/
Time travel is an interesting topic. Time travel forward in time (as it is described for example in the novel "Marooned in Realtime" by Vernor Vinge) is far more likely than time travel back in time.
-J.
-------- Original message --------From: cody dooderson [hidden email]Date: 9/26/20 22:52 (GMT+01:00)To: The Friday Morning Applied Complexity Coffee Group [hidden email]Subject: [FRIAM] Time travel article
An article came out recently about a proof that time travel would not lead to the butterfly effect. https://www.popularmechanics.com/science/math/amp34146674/paradox-free-time-travel-is-possible/ . This sounds great but does anybody understand it enough to explain it to a novice? Has this idea been around for a while, because Netflix's show The Umbrella Academy touches on it?The article says that the proof is backed up by research from Los Alamos and some experience with random walkers. I am pretty familiar with the latter. My experience is that some random walkers, a recursive path search, and patience can solve a lot of basic computer science problems.
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