Author

D. Ahn

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Preprint Jul 2026

Code-space recovery for sample-based quantum diagonalization beyond native symmetry constraints

Despite increased circuit overhead, code-space recovery yields lower projected Ritz energies than unencoded sample-support diagonalization even at smaller projected-basis dimensions, suggesting that engineered recoverable structure can extend SQD beyond native constraints.

Byeongyong Park, Sanha Kang, D. Ahn et al. · 1 citation