Author

Fu-Sheng Yang

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Preprint Oct 2026

Quantum error-correcting code parameters, checkable by a certificate of provable size

Quantum error correction protects quantum information by encoding it in a code described by three numbers: how many physical qubits it uses, how many logical qubits it protects, and the smallest error it cannot detect. The last is an optimum over exponentially many candidates, so it is read off a solver rather than che...

S. An, Fu-Sheng Yang · 0 citations

#edge computing Preprint Oct 2026

The cost of each side condition in a gauged logical measurement

A logical measurement reads out protected information, and the noise it survives sets how much a quantum computation can absorb. Gauging builds one from a graph on the measured qubits, one extra qubit on each edge, turning a global operator into local parity checks. Its tolerance splits in two: the distance of the code...

S. An, Fu-Sheng Yang · 0 citations