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Hong-Fu Wang

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Preprint Oct 2026

Symmetry-Preserving Hierarchical Quantum Approximate Optimization Algorithm with Subproblems Beyond the Qubit Limit

The quantum approximate optimization algorithm (QAOA) is a paradigmatic variational quantum algorithm for combinatorial optimization problems, yet on current quantum devices the available qubit count and achievable circuit depth remain the main bottlenecks to its practical application. Divide-and-merge reduces the numb...

Zhao-Yang Song, Wei Zhang, Ji Cao et al. · 0 citations

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