Quantum / CONCEPT
Broadcasting channels need have neither extremum
A three-dimensional observable with two outcomes has a nonempty set of broadcasting channels and has neither extremum under nondisturbing precomposition.
Closed
DIRECT PREREQUISITES10
DIRECT CONSEQUENCES2
PROOF DEPTH8
DOCUMENT LINKS0
Density matrices are contractions
RELATIONSHIP ATLAS
Every connection, in context.
Direct recorded relationships
Proof dependencyStructural affinityDocument link
Certified topology / UPSTREAM
Prerequisites
- A qutrit obstruction to positive/CP factorization of the channel transposetruth-dependency · Closed
- Concealment does not determine the adjoint kerneltruth-dependency · Closed
- Finite Density States and Quantum Channelstruth-dependency · Closed
- Finite Kraus Quantum Channelstruth-dependency · Closed
- Finite Memory History Capacitytruth-dependency · Closed
- Hermitian SLD energytruth-dependency · Closed
- KrausCompletiontruth-dependency · Closed
- The Pure-State Handshaketruth-dependency · Closed
- The sharp A|BC constant of the GHZ measuretruth-dependency · Closed
- Two signal probes force a qubit chord and a QFI boundtruth-dependency · Closed
Certified topology / DOWNSTREAM
Consequences
RELATED KNOWLEDGE
Structural connections
- A qutrit obstruction to positive/CP factorization of the channel transposestructural-affinity · Closed
- A strict gap between two dequantumness powersstructural-affinity · Closed
- Concealment does not determine the adjoint kernelstructural-affinity · Closed
- Finite Memory History Capacitystructural-affinity · Closed
- Hermitian SLD energystructural-affinity · Closed
- KrausCompletionstructural-affinity · Closed
- Positive Kraus operators with an entanglement advantagestructural-affinity · Closed
- Purify-and-clone is not optimal for one-site worst-case riskstructural-affinity · Closed
- Robustness of ancilla-free testersstructural-affinity · Closed
- Square-Free Source Jets as Cyclic Tracesstructural-affinity · Closed
- The sharp A|BC constant of the GHZ measurestructural-affinity · Closed
- Two signal probes force a qubit chord and a QFI boundstructural-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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