Skelet #17 and the fifth Busy Beaver number

Fuente: arXiv
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Auteur principal: Xu, Chris
Format: Preprint
Publié: 2024
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_version_ 1866911942185058304
author Xu, Chris
author_facet Xu, Chris
contents We prove nonhalting of the Turing machine dubbed "Skelet #17", known to be one of the toughest 5-state, 2-symbol Turing machines to analyze. Combined with the efforts of The Busy Beaver Challenge, we are therefore able to show that BB(5), the fifth Busy Beaver number, equals 47,176,870.
format Preprint
id arxiv_https___arxiv_org_abs_2407_02426
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Skelet #17 and the fifth Busy Beaver number
Xu, Chris
Combinatorics
Logic
We prove nonhalting of the Turing machine dubbed "Skelet #17", known to be one of the toughest 5-state, 2-symbol Turing machines to analyze. Combined with the efforts of The Busy Beaver Challenge, we are therefore able to show that BB(5), the fifth Busy Beaver number, equals 47,176,870.
title Skelet #17 and the fifth Busy Beaver number
topic Combinatorics
Logic
url https://arxiv.org/abs/2407.02426