Source authenticated
FGG Conjecture for QAOA on the Ring of Disagrees
For an even cycle of size $N$ and depth $p$ with $2p + 2 \le N$, is the optimal QAOA approximation ratio for MaxCut exactly $\frac{2p+1}{2p+2}$, as Farhi, Goldstone and Gutmann conjectured?
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jun 29, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: lean-verified. Publication: preprint. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: FGG Conjecture for QAOA on the Ring of Disagrees · QAOA ring of disagrees
Confidence: Not scored
Registry verification: lean verified · preprint · resolved
Attribution
VibeMathed
registry · event recorded by
Claude Fable 5
model · ai model contributor · Anthropic
Lineage and corrections
This event attributed to Claude Fable 5