Author

Chinonso Onah

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Jul 2026

Separating Geometry From Interference in Constrained Quantum Optimization

It is shown that, when the cost phases are engineered so that these paths add coherently, a number of circuit alternations growing only logarithmically with problem size suffices to convert the sum of their absolute contributions into a lower bound on the target amplitude, yielding a certified success probability indep...

Chinonso Onah, Stuart Hadfield, K. Michielsen · arXiv.org · 2 citations

Preprint Aug 2026

Polynomial Time Quantum Approximation Schemes for Constrained Optimisation

Heavy-Hitter QAOA is introduced, which preserves finite-depth and finite-shot guarantees for Constraint-Enhanced QAOA and preserves these conditional guarantees while reducing the retained candidate set and classical post-processing cost by one power of the problem size.

Chinonso Onah, K. Michielsen · 0 citations