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quant-ph2026
Towards Optimal Quantum Estimators for State Frame Potential
Jinge Bao, Wang Fang, Yoshifumi Nakata +1
The state frame potential is a standard diagnostic of how closely a quantum state ensemble approximates Haar randomness. In this work, we study the problem of estimating the state…
quant-ph2026
Formal Verification of Quantum Ancilla Safety
Jiqi Li, Jingyi Mei, Wang Fang +1
Ensuring ancilla safety is a critical correctness requirement for quantum compilation, since ancilla qubits are routinely introduced to implement complex operations with fewer gate…
quant-ph2026
SymFT: Universal Fault-Tolerant Quantum Circuit Simulation via Symbolic Clifford--Pauli Frames and Stabilizer Coordinates
Wang Fang, Huazhe Lou, Riling Li
Fault-tolerant protocols often consist largely of stabilizer subcircuits, yet the non-Clifford operations required for universality make exact sampling costly. We present SymFT, a…