Holdouts lists: Difference between revisions

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|[[:File:2x5.todo.txt]]
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|[[BB(5)]]
|[https://skelet.ludost.net/bb/nreg.html 2003]
|Georgi Georgiev (Skelet)
|43
|https://skelet.ludost.net/bb/nreg.html<nowiki/>https://bbchallenge.org/skelet
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Revision as of 16:19, 14 June 2024

A holdout (or undecided machine) is a Turing machine for which it is not known whether the machine halts or not from all-0 input tape. Holdouts are the machines which deciders are unable to decide.

Holdout lists are often shared by contributors:

BB space Date Shared by Number of holdouts File
BB(6) June 13th 2024 @tjligocki, @Shawn Ligocki 12,091 File:BB6 holdouts 12091.txt
BB(3,3) June 9th 2024 @Justin Blanchard 22 File:3x3.todo.txt, File:Mugshots small.pdf
BB(6) June 7th 2024 @mxdys 12,325 File:BB6 holdouts 12325.txt
BB(2,5) May 22nd 2024 @Justin Blanchard 499 File:2x5.todo.txt
BB(5) 2003 Georgi Georgiev (Skelet) 43 https://skelet.ludost.net/bb/nreg.htmlhttps://bbchallenge.org/skelet