Quantum / CONCEPT
The sharp upper endpoint of the Zhang–Jing power block
The power block characterizes normality for 1/2 ≤ a < 1, including singular matrices; at a = 1 it is positive semidefinite for every matrix.
Closed
DIRECT PREREQUISITES1
DIRECT CONSEQUENCES0
PROOF DEPTH7
DOCUMENT LINKS0
The extension to a = 1 fails
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 positive block does not force normalitystructural-affinity · Closed
- Classical finite mixturesstructural-affinity · Closed
- Coherent Premeasurement and Correlation Taxstructural-affinity · Closed
- Energy and Information with Initial Correlationsstructural-affinity · Closed
- Entropy Production by Coherence Deletionstructural-affinity · Closed
- Failure of differentiabilitystructural-affinity · Closed
- Fuchs's physical-basis logarithm question is falsestructural-affinity · Closed
- PositiveMapJensenstructural-affinity · Closed
- Word traces do not control fractional Schatten normsstructural-affinity · Closed
Documents & exposition
None recorded in this release.
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
Content history
Loading release versions...
Browse the archiveCertified provenance