Skelet #17 and the fifth Busy Beaver number
Fuente:
arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866911942185058304 |
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| 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 |