Quantum / CONCEPT
Four-by-five APPT maximum purity
The maximum purity of a literal four-by-five APPT density matrix is 7/121.
Closed
DIRECT PREREQUISITES4
DIRECT CONSEQUENCES2
PROOF DEPTH14
DOCUMENT LINKS0
Both pencils for the actual labelled diagonal
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
- Actual K1 and L4 spectral puritystructural-affinity · Closed
- Boundary-preserving spectral insertion and deletionstructural-affinity · Closed
- Dimension-general APPT contraction attainmentstructural-affinity · Closed
- Exact quadbit–quadbit APPT maximum puritystructural-affinity · Closed
- Finite rank-one APPT maximumstructural-affinity · Closed
- Five-row APPT maximum puritystructural-affinity · Closed
- Hildebrand sufficiency on two qutritsstructural-affinity · Closed
- Length-twenty spectral purity boundstructural-affinity · Closed
- Low-rank separable raysstructural-affinity · Closed
- No single polynomial inequality characterizes bipartite separabilitystructural-affinity · Closed
- Scalar defect boundsstructural-affinity · Closed
- Three-row scalar spectral boundstructural-affinity · Closed
- Zero-jump actual-PSD defect momentstructural-affinity · Closed
Documents & exposition
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Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
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