Syndrome detection rates are locally convex in drifted control parameters after Pauli twirling, giving O(1/ε²) self-calibration that is code-distance-independent for local LDPC codes.
However, now we do not assume that we remain inside the convex ball of Appendix A
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Provably Efficient Self-Calibrating Quantum Fault Tolerance
Syndrome detection rates are locally convex in drifted control parameters after Pauli twirling, giving O(1/ε²) self-calibration that is code-distance-independent for local LDPC codes.