TMBR: October 2025: Difference between revisions

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* ? Oct 2025.  Katelyn Doucette. [https://katelyndoucette.com/articles/building-the-busy-beaver-ladder Building the Busy Beaver Ladder].
* ? Oct 2025.  Katelyn Doucette. [https://katelyndoucette.com/articles/building-the-busy-beaver-ladder Building the Busy Beaver Ladder].
== Theory ==
TODO: Update this section after studying existing literature a bit more.
[[Linear-Inequality Affine Transformation Automata]] (LIATA) were introduced as a generalization of the [[BMO1]] rules:
* @Bard proved that 3 dimension LIATA are Turing complete: [https://discord.com/channels/960643023006490684/1239205785913790465/1420457986564030641]
* @star proved that 2 dimension LIATA are Turing complete: [https://discord.com/channels/960643023006490684/1239205785913790465/1421271424588451915]
* BMO1 is a 2d-LIATA so this provides some sense for the difficulty of the problem.


[[Category:This Month in Beaver Research|2025-10]]
[[Category:This Month in Beaver Research|2025-10]]

Revision as of 18:57, 1 October 2025

Prev: September 2025 This Month in Beaver Research Next: November 2025

This edition of TMBR is in progress and has not yet been released. Please add any notes you think may be relevant (including in the form a of a TODO with a link to any relevant Discord discussion).

Wily Coyote, a BB(3,3) holdout

Blog Posts

Theory

TODO: Update this section after studying existing literature a bit more.

Linear-Inequality Affine Transformation Automata (LIATA) were introduced as a generalization of the BMO1 rules:

  • @Bard proved that 3 dimension LIATA are Turing complete: [1]
  • @star proved that 2 dimension LIATA are Turing complete: [2]
  • BMO1 is a 2d-LIATA so this provides some sense for the difficulty of the problem.