ABC: global RR8 branch
ABC remains open. These results do not establish a uniform abc exponent.
Completion: Active development · Lean: No Lean claim · Confidence: Recorded written review
Before you start
Suggested background: Read the problem statement, recorded scope and open questions first. The program's definitions determine its subject prerequisites.
Recorded results and limits: Scoped written radical-cost identities and obstructions. The global ABC target and exceptional-prime tail remain open. No new Lean run.
Remaining work: Address the documented large-exceptional-prime budget or another justified arithmetic comparison. Do not promote local bounds to ABC.
The background advice is an editorial starting point. The work itself states its prerequisites and hypotheses.
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