A symmetry reduction for locally transitive projective measurements turns entangled measurement verification into single-state verification, yielding explicit local protocols and fidelity estimators for Bell, stabilizer, and other measurements.
After quotienting out phases, its action is represented by Wa,b ⊗ Wc,e with (a, b), (c, e) ∈ Z2 d
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Efficient Verification of Entangled Measurements with Local States
A symmetry reduction for locally transitive projective measurements turns entangled measurement verification into single-state verification, yielding explicit local protocols and fidelity estimators for Bell, stabilizer, and other measurements.