Quantum / CONCEPT
Mixed-unitary channels and marginal pinching
Every non-isotropic mixed-unitary qubit channel fails to commute with marginal pinching on a two-qubit density matrix with nondegenerate input and output marginals.
Closed
DIRECT PREREQUISITES3
DIRECT CONSEQUENCES0
PROOF DEPTH24
DOCUMENT LINKS0
Non-isotropic mixed-unitary channels do not commute with pinching
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
Certified topology / DOWNSTREAM
Consequences
None recorded in this release.
RELATED KNOWLEDGE
Structural connections
- ChannelTimeReversalNoGostructural-affinity · Closed
- Exact Hilbert-Schmidt distances of noisy Smolin statesstructural-affinity · Closed
- Exact Riemannian contraction coefficients of a qubit CQ channelstructural-affinity · Closed
- FormationBoundsstructural-affinity · Closed
- Spin covariance and Dicke coordinatesstructural-affinity · Closed
- Strict averaging fails for optimal detector-sensor probesstructural-affinity · Closed
- Trace-distance anticoherence need not increase under covariant noisestructural-affinity · Closed
- Trace-norm discord and maximal mutual correlationstructural-affinity · Closed
Documents & exposition
None recorded in this release.
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
Content history
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