Manuscript Hawk01-A@1 · Hawk01-A.tex · corollary · 11979653

Corollary: Robust classical null

Exact delayed-query scoring and classical nulls · lines 855–869 · proof included or linked

Hawk01-A@1#cor:robustEB, Hawk01-A@1#eq:robustEB

If a regulated complete channel is within half-diamond distance $ϵ$ of a measure-and-prepare channel, then

Q_{opt} \leq min {q_{Q}, \frac{3}{4} + ϵ} .

Proof. Apply Proposition prop:scorecontinuity and Theorems thm:score and thm:classical.

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