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.
(37d) The single-parameter two-qubit EJM is defined as Jκ = {|Φκ j ⟩ ⟨Φκ j | : j = 0, 1, 2, 3}
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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.