combinatorics / Graph Theory, Ramsey Theory

Erdős Problem #550

Claimed proved in a preprint of E. Li; erdosproblems.com still lists the problem open pending human review

10Significance / 100
1Frontier events
0Verification tasks
0Recorded attempts

Temporal state

Current frontier

No reconciled state yet.

Append-only history

Frontier timeline

combinatoricsJun 22, 2026Significance 10/100Registry: unreviewed

Erdős Problem #550

Prior state unknown→proved

Claimed proved in a preprint of E. Li; erdosproblems.com still lists the problem open pending human review

SourceReplayReproducedFormal proofStatement auditExternal checkExpert reviewPeer review

Research memory

Claims and attempts

Scoped claims

Source authenticated

Claimed proved in a preprint of E. Li; erdosproblems.com still lists the problem open pending human review

Claimed proved in a preprint of E. Li; erdosproblems.com still lists the problem open pending human review

Recorded attempts

Evidence graph

Connected research record