quantum-information-computing / Quantum optimization

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?

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quantum-information-computingJun 29, 2026Significance 15/100Registry: lean verified

FGG Conjecture for QAOA on the Ring of Disagrees

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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?

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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?

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FGG Conjecture for QAOA on the Ring of Disagrees — Mathematical Frontier Network