Quantum / CONCEPT
The Alsing–Birrittella logarithmic-negativity sandwich
Positive Hermitian amplitude matrices give an exact trace-norm formula, a logarithmic-negativity sandwich, and equality of the upper bound for real amplitudes.
Closed
DIRECT PREREQUISITES4
DIRECT CONSEQUENCES0
PROOF DEPTH9
DOCUMENT LINKS0
The full sandwich holds
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 generic-state counterexample in the kicked Ising chainstructural-affinity · Closed
- Comparability of conical-design concurrence boundsstructural-affinity · Closed
- Even-depth permuted brickwork fails positive semidefinitenessstructural-affinity · Closed
- Finite Trace Distancestructural-affinity · Closed
- Partial-transpose trace dualitystructural-affinity · Closed
- Qutrit APPT attaining statesstructural-affinity · Closed
- Qutrit spectral reductionstructural-affinity · Closed
- The Allen–Meyer family omits achievable three-qutrit negativitiesstructural-affinity · Closed
- The fixed-marginal candidate need not maximize two-qutrit negativitystructural-affinity · Closed
- The qutrit complementary-entropy frontierstructural-affinity · Closed
- The two-copy Haar moment and its local rulestructural-affinity · Closed
- The two-qubit binegativity lower bound at fixed negativitystructural-affinity · Closed
Documents & exposition
None recorded in this release.
Other authored & advisory relationships
None recorded in this release.
LIBRARY / RELEASE VERSIONS
Content history
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