User contributions for Cosmo

21:3021:30, 26 September 2024 diff hist +95‎ Busy beaver lack of hope recurrence ‎No edit summary Tag: Visual edit
21:2921:29, 26 September 2024 diff hist −2‎ Busy beaver lack of hope recurrence ‎No edit summary
21:2921:29, 26 September 2024 diff hist +41‎ Busy beaver lack of hope recurrence ‎No edit summary Tag: Visual edit
21:2721:27, 26 September 2024 diff hist +493‎ Busy beaver lack of hope recurrence ‎No edit summary Tag: Visual edit
21:2621:26, 26 September 2024 diff hist +1‎ N File:BradyBB(5)isHopeless.png ‎No edit summary current
21:1721:17, 26 September 2024 diff hist +1,375‎ N Busy beaver lack of hope recurrence ‎ Created page with "People working on BB(n-1) believed BB(n) was impossible: * BB(3) -> BB(4): "In any case, even though skilled mathematicians and experienced programmers attempted to evaluate 2(3) and 5(3), there is no evidence that any known approach will yield the answer, even if we avail ourselves of high-speed computers and elaborate programs. As regards \Sigma(4), S(4), the situation seems to be entirely hopeless at present."—Tibor Rado, 1963. Source: Brady, Allen H.. [https://do..." Tag: Visual edit

21:0521:05, 25 September 2024 diff hist −17‎ Papers & Talks ‎No edit summary Tag: Visual edit
21:0121:01, 25 September 2024 diff hist +76‎ Main Page ‎No edit summary Tag: Visual edit
21:0121:01, 25 September 2024 diff hist +112‎ Papers & Talks ‎No edit summary Tag: Visual edit
20:5920:59, 25 September 2024 diff hist +802‎ N Papers & Talks ‎ Created page with "Here are some busy beaver related papers and talks by bbchallenge community members: * Stérin, T., Woods, D. (2024). Hardness of Busy Beaver Value BB(15). In: Kovács, L., Sokolova, A. (eds) Reachability Problems. RP 2024. Lecture Notes in Computer Science, vol 15050. Springer, Cham. <nowiki>https://doi.org/10.1007/978-3-031-72621-7_9</nowiki> ** Paper: [https://arxiv.org/abs/2107.12475 arxiv version] (first released in 2021), [https://link.springer.com/chapter/10.100..." Tag: Visual edit

18:3818:38, 17 August 2024 diff hist +44‎ N Bbfind ‎ Created page with "TODO https://skelet.ludost.net/bb/index.html" Tag: Visual edit

09:5109:51, 4 August 2024 diff hist 0‎ Talk:Consistent Collatz ‎No edit summary
09:5009:50, 4 August 2024 diff hist +381‎ N Talk:Consistent Collatz ‎ Created page with "Thank you very much for this interesting contribution ! - Is this wiki entry the first documentation of this work or are there any resources outhere about it (paper, blog, ...)? - Did you mint the term "consistent Collatz sequence" or was it introduced before in the litterature? - How do "consistent Collatz sequences" differ from Conway's "generalised Collatz maps"? Thank you!"

15:1915:19, 11 July 2024 diff hist +446‎ BB(4) ‎No edit summary Tag: Visual edit
15:0915:09, 11 July 2024 diff hist +18‎ N MediaWiki:Custom-RcGcDw ‎ Created page with "960643023006490684" current

21:2021:20, 30 June 2024 diff hist +1‎ 1RB1RA 0LC1LE 1LD1LC 1LA0LB 1LF1RE ---0RA ‎ Changed redirect target from MinHydra to Antihydra Tags: Redirect target changed Visual edit
21:2021:20, 30 June 2024 diff hist +1,407‎ N Antihydra ‎ Created page with "Antihydra is the 6-state 2-symbol machine [https://bbchallenge.org/1RB1RA_0LC1LE_1LD1LC_1LA0LB_1LF1RE_---0RA https://bbchallenge.org/1RB1RA_0LC1LE_1LD1LC_1LA0LB_1LF1RE_---0RA]. This machine was the first identified BB(6) Collatz-like Cryptid, and is closely related to Hydra. It simulates the Collatz-like iteration <math display="block">\begin{array}{l} A(2a, & b) & \to & A(3a, & b+2) \\ A(2a+1, & b) & \to & A(3a+1, & b-1) & \text{if} & b>0 \\ A(2..."
17:3617:36, 30 June 2024 diff hist −1,175‎ 1RB1RA 0LC1LE 1LD1LC 1LA0LB 1LF1RE ---0RA ‎ Redirected page to MinHydra Tags: New redirect Visual edit

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