Manuscript VII-G@1 · VII-G.tex · section · 54f561e8
Exact recovery and a constant complement
Two limitations of informative classical feedback › Exact recovery and a constant complement · lines 1264–1270
A nondemolition measurement of one observable is compatible with this corollary: its eigenstates may be preserved while coherence between eigenspaces is disturbed. Recovery on a proper code subspace is also a different task.