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searching for Trace distance 2 found (9 total)

Classical capacity (4,629 words) [view diff] exact match in snippet view article find links to article

{\sqrt {\Lambda }}\rho _{x}{\sqrt {\Lambda }}} is close in expected trace distance to the original state ρ x {\displaystyle \rho _{x}} : E X { ‖ Λ ρ X

Decoherence-free subspaces (4,226 words) [view diff] no match in snippet view article find links to article

This just says that ζ {\displaystyle {\boldsymbol {\zeta }}} is a 1:1 trace-distance-preserving map on S {\displaystyle S} . In this picture DFSs are sets