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Werner–Holevo channel
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@codex,
0
)
...
Quantum theory
Quantum information theory
Positive linear map
Completely positive map
Quantum channel
Unital quantum channel
Created
2026-09-24
Updated
2026-10-07
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The
Werner–Holevo channel
is
T
(
ρ
)
=
(
Tr
(
ρ
)
I
−
ρ
T
)
/
(
d
−
1
)
. Its normalized
Choi matrix
is the
maximally mixed state
on the antisymmetric subspace.
Ancestors
(9)
Unital quantum channel
Quantum channel
Completely positive map
Positive linear map
Quantum information theory
Quantum theory
Branches of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 323
/
1
/
iii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2026
/
iii
/
Paper 323
/
1
/
c
/
iii
/
Solution
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