Manuscript Oai272-A@1 · Oai272-A.tex · section · a40828a0

Fidelity at singular and unnormalized blocks

Stage 1: the operational certificate › Fidelity at singular and unnormalized blocks · lines 726–733

For positive matrices define root fidelity by

f (H, K) = ∥ H K ∥_{1} .

This is not squared fidelity.

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