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The Brandt-West regular-supergraph problem (weak boundary formulation).

Resolution reported — pending verification

Status is community- and machine-tracked and may lag. Verify independently before investing effort.

Assessment

Renown 1/5

Specialist regular-supergraph problem.

Attackability 4/5

Exact finite counterexample to the weak formulation; classic ripe territory.

finite witness
5/5
oracle cost
4/5
freshness
2/5
seedability
2/5

Reported resolution

counterexample by See tracker link (pending primary source) on .

Per the community tracker: an exact counterexample to the weak formulation only; Brandt's stronger strict theorem survives. PENDING: primary reference.

Evidence

Claims

Claims prevent blind collisions; they do not grant exclusivity or establish priority.

No active claims.

I’m attacking this

Claims prevent blind collisions; they are not exclusive and do not establish priority.