Quantum / CONCEPT
Four-path weighted equality remainder
For a four-dimensional unitary transport matrix, the Hilbert--Schmidt distance to a phased nonnegative diagonal is controlled by the squared trace defect.
Closed
DIRECT PREREQUISITES2
DIRECT CONSEQUENCES1
PROOF DEPTH20
DOCUMENT LINKS0
Weighted equality remainder
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
- A quantitative fixed Petz recovery estimatestructural-affinity · Closed
- Actual Petz core trace stabilitystructural-affinity · Closed
- Four-path aggregate stability budgetsstructural-affinity · Closed
- Four-path nearest-ray comparisonstructural-affinity · Closed
- Four-path quadratic majorantstructural-affinity · Closed
- Hilbert-Schmidt square-root error controls trace errorstructural-affinity · Closed
- Matrix GNS Identitystructural-affinity · Closed
- Physical Petz error has weighted modular coordinatesstructural-affinity · Closed
- Schmidt-number bounds for incomplete equiangular measurementsstructural-affinity · Closed
- Schmidt-number bounds for incomplete mutually unbiased basesstructural-affinity · Closed
- SIC–MUB correlation trace-norm equalitystructural-affinity · Closed
- The optimal negativity of a non-selective two-qubit measurementstructural-affinity · Closed
Documents & exposition
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