Quantum / CONCEPT
Density-state covariance and its sparse sum
For a finite-dimensional density state, symmetrized covariance satisfies Cauchy-Schwarz. A spectral interval of half width Delta and sparse row supports bound the total absolute covariance.
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DIRECT PREREQUISITES1
DIRECT CONSEQUENCES2
PROOF DEPTH2
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Expectation of a real scalar multiple
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Proof dependencyStructural affinityDocument link
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RELATED KNOWLEDGE
Structural connections
- Energy eigenstates have no changing density recordstructural-affinity · Closed
- Legacy Relative-Entropy Boundarystructural-affinity · Closed
- Local Observation Partial-Trace Equivalencestructural-affinity · Closed
- Mixed-State Robertson Uncertaintystructural-affinity · Closed
- Normalized-Laplacian perfect state transfer on a treestructural-affinity · Closed
- Projection Probability Flowstructural-affinity · Closed
- Quantum Relative-Entropy Defect Compositionstructural-affinity · Closed
- The sharp A|BC constant of the GHZ measurestructural-affinity · Closed
- Universal Replacement Capacity Growthstructural-affinity · Closed
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