TMBR: April 2026: Difference between revisions

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**Further filtering by Andrew Ducharme reduced the number of holdouts from 18,036,852 to '''17,823,260'''.<sup>[https://discord.com/channels/960643023006490684/1369339127652159509/1490808711952728235 <nowiki>[6]</nowiki>]</sup> (A 1.18% reduction)
**Further filtering by Andrew Ducharme reduced the number of holdouts from 18,036,852 to '''17,823,260'''.<sup>[https://discord.com/channels/960643023006490684/1369339127652159509/1490808711952728235 <nowiki>[6]</nowiki>]</sup> (A 1.18% reduction)
* [[BB(2,5)]]:
* [[BB(2,5)]]:
** On 1 April 2026, [https://discord.com/channels/960643023006490684/1259770421046411285/1488737894943166604 Discord user mammillaria shared a Lean formalisation of the BMO 3 problem and its solution], which he created using [https://aristotle.harmonic.fun/ Aristotle AI]. Then [https://discord.com/channels/960643023006490684/1259770421046411285/1488898494386274374 mxdys formalised the result] in Rocq using LLMs, reducing the holdout count to 67, with 60 informal holdouts.
** On 1 April 2026, [https://discord.com/channels/960643023006490684/1259770421046411285/1488737894943166604 Discord user mammillaria shared a Lean formalisation of the BMO 3 problem and its solution], which he created using [https://aristotle.harmonic.fun/ Aristotle AI]. Then [https://discord.com/channels/960643023006490684/1259770421046411285/1488898494386274374 mxdys formalised the result] in Rocq using LLMs, reducing the formal holdout count to 67, still with 60 informal holdouts.
** On 2 April 2026, [https://discord.com/channels/960643023006490684/1259770421046411285/1489095097373954199 mxdys solved] [[Beaver Math Olympiad#Solved problems|BMO 3]] variant {{TM|1RB0RA3LA4LA2RA_2LB3LA---4RA3RB}} using an LLM, reducing the formal holdout count to 66. The proofs for BMO 3 and its variant are available at https://github.com/ccz181078/busycoq/blob/BB6/verify/BMO3.v.
** On 2 April 2026, [https://discord.com/channels/960643023006490684/1259770421046411285/1489095097373954199 mxdys solved] [[Beaver Math Olympiad#Solved problems|BMO 3]] variant {{TM|1RB0RA3LA4LA2RA_2LB3LA---4RA3RB}} using an LLM, reducing the formal holdout count to 66. The proofs for BMO 3 and its variant are available at https://github.com/ccz181078/busycoq/blob/BB6/verify/BMO3.v.
*[[BB(2,6)]]
*[[BB(2,6)]]

Revision as of 06:11, 12 April 2026

Prev: March 2026 This Month in Beaver Research Next: May 2026

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).

This Month in Beaver Research for April 2026. This month, a new Cryptid was discovered in BB(6) by Discord user sheep, and BMO 8 was added to BMO. Two informally proven machines were formalised into Rocq in BB(2,5), and Katelyn Doucette created a visualizer for Fractran space-time diagrams. We also shot below 18 million holdouts for BB(7).

BB Adjacent

Misc

  • Katelyn Doucette completed a visualizer for Fractran space-time diagrams.[3]

Holdouts