Quantum / CONCEPT
A qudit counterexample to genuine entropic tetrahedra
The eight-level four-party pure state has an admissible zero-volume fill but is not biseparable, refuting the qudit genuine-entanglement claim.
Closed
DIRECT PREREQUISITES2
DIRECT CONSEQUENCES0
PROOF DEPTH20
DOCUMENT LINKS0
The qudit claim is false
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 counterexample to the Shannon branch-and-bound lower boundstructural-affinity · Closed
- A stochastic qutrit channel that is not unitalstructural-affinity · Closed
- Four MUBs refute the dimension-eight necessity boundstructural-affinity · Closed
- Orthogonal reduction for conditional hockey-stick ratiosstructural-affinity · Closed
- Passive memory with a nonclassical Gram matrixstructural-affinity · Closed
- Refutation of completely contractive CMI data processingstructural-affinity · Closed
- Robustness of ancilla-free testersstructural-affinity · Closed
- Subsystem Lanczos positivity failsstructural-affinity · Closed
- The fully entangled fraction and the steering-ellipsoid centrestructural-affinity · Closed
Documents & exposition
None recorded in this release.
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
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