Quantum ansatz design is cast as a four-player potential game optimizing trainability, non-stabilizerness, performance, and cost, with Nash search outperforming baselines on 4-qubit MaxCut and LiH tasks.
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Generalizes entanglement witnesses from qubit stabilizer states to multi-qudit versions, showing better noise robustness in some cases.
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A four-player potential game for barren-plateau-aware quantum ansatz design
Quantum ansatz design is cast as a four-player potential game optimizing trainability, non-stabilizerness, performance, and cost, with Nash search outperforming baselines on 4-qubit MaxCut and LiH tasks.
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Entanglement witnesses for stabilizer states and subspaces beyond qubits
Generalizes entanglement witnesses from qubit stabilizer states to multi-qudit versions, showing better noise robustness in some cases.