Quantum / CONCEPT
Partial trace can increase Fisher discord
A two-qubit flagged state refutes partial-trace monotonicity of Fisher discord.
Closed
DIRECT PREREQUISITES2
DIRECT CONSEQUENCES0
PROOF DEPTH11
DOCUMENT LINKS0
Explicit refutation
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
- Finite-Dimensional Quantum Skeletonsstructural-affinity · Closed
- Fisher discord and the spectrumstructural-affinity · Closed
- Flagged Fisher-discord extensionsstructural-affinity · Closed
- Orthogonality with fewer effects than dimensionsstructural-affinity · Closed
- Positive Kraus operators with an entanglement advantagestructural-affinity · Closed
- Stationarity does not imply tabletop time reversibilitystructural-affinity · Closed
- Strict separation of measured and Uhlmann average fidelitiesstructural-affinity · Closed
- Two unbounded entanglement gaps with one qubitstructural-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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