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quant-ph2026
Whither quantum advantage? New classical lower bounds for Max-Cut on large-girth 3-regular graphs
Flaviano Morone, Shivang Rawat, Dries Sels
Every 3-regular graph of girth at least has a cut containing at least a fraction of its edges, and the best rigorous bounds at large girth are $0.912\le \lim_{g\to\infty}…
quant-ph2026
Absence of quantum advantage for approximate spin glass optimization
Dries Sels, Flaviano Morone
We perform a semiclassical, large-spin S, analysis of the quantum approximate optimization algorithm (QAOA) on the Sherrington-Kirkpatrick (SK) model, using the truncated Wigner ap…
quant-ph2023★ 8 cited
Unveiling Order from Chaos by approximate 2-localization of random matrices
Nicolas Loizeau, Flaviano Morone, Dries Sels
Quantum many-body systems are typically endowed with a tensor product structure. This structure is inherited from probability theory, where the probability of two independent event…