Researcher publishes Lean4 machine-verified solution to an open problem
_xjdr · x · 2026-09-04
X user @xjdr reports that while working on a new research program, he potentially closed an open question posed by Chrisnata et al. He formalized the general solution, proved it, and machine-verified it in Lean4, releasing the formalization and an explainer video. Full findings will be packaged later for formal review.
Related event: Researcher Accidentally Solves Open Problem, Verified in Lean4(2 posts)→
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