Quantum / CONCEPT
Pure product inputs detect signalling through PDM negativity
Every finite-dimensional signalling channel admits a pure product input with strictly positive PDM negativity.
Closed
DIRECT PREREQUISITES2
DIRECT CONSEQUENCES0
PROOF DEPTH21
DOCUMENT LINKS0
A pure product input with strictly positive negativity
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
- A non-extreme minimum-rank superchannel extensionstructural-affinity · Closed
- Burri's Question 1structural-affinity · Closed
- Conditional min-entropy of noisy unitariesstructural-affinity · Closed
- Destruction covariance need not be a superchannel fixed setstructural-affinity · Closed
- Elementary channel divisibilitystructural-affinity · Closed
- Li–Jiang polar-pair optimality: an exact finite-noise refutationstructural-affinity · Closed
- Passive memory with a nonclassical Gram matrixstructural-affinity · Closed
- The spatiotemporal Born rule dichotomystructural-affinity · Closed
- Unitary and doubly extreme decomposition of a qutrit channelstructural-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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