QuantumChannels / CONCEPT
Completely useless channels and concatenation
Two qubit channels are entanglement breaking before and after each switch branch, while the minus switch branch of their concatenation is not entanglement breaking.
Closed
DIRECT PREREQUISITES3
DIRECT CONSEQUENCES1
PROOF DEPTH10
DOCUMENT LINKS0
Conjecture 1 is false
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
Certified topology / DOWNSTREAM
Consequences
RELATED KNOWLEDGE
Structural connections
- An isolated qubit ensemblestructural-affinity · Closed
- Concealment does not determine the adjoint kernelstructural-affinity · Closed
- Equivalence of PPT-squared and IPT-squaredstructural-affinity · Closed
- The equiprobable pretty-good-measurement comparison of Cha and Lee failsstructural-affinity · Closed
- The exact critical concurrence for universal quantum teleportationstructural-affinity · Closed
- Three-weight Pauli channels have Bayesian inverses only at the maximally mixed statestructural-affinity · Closed
- Two unbounded entanglement gaps with one qubitstructural-affinity · Closed
- Weighted multicopy designs need not be optimalstructural-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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