Measurement

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Contents

• AbsoluteTwoIncoherencePurityRefutation
• Actual Adaptive Low-Instrument Effects
• An adaptive query advantage for four qubit states
• Advantage-quantum measurements cannot be simulated with finitely many copies
• Spin covariance and Dicke coordinates
• Trace-distance anticoherence need not increase under covariant noise
• AntidistinguishabilityGram
• AntidistinguishabilityOverlapNonTight
• AntidistinguishabilitySpectrum
• Basis-Measurement Projection
• The exact compatibility threshold for biased trine qubit measurements
• Bound coherence in every dimension at least three
• Bounded Adaptive Low-Instrument Effects
• Branch-Conditioned Trace Distance
• Characteristic-three flat-plus-spike ambiguity
• The quantum coherence fraction can increase under incoherent operations
• Conditional subentropy and guessing
• Conditional randomness and uniform attenuation
• Conditioning Trace-Distance Constant
• Finite Closure of Continuation Effect Spaces
• Cyclic Refractory Quantum Generator
• Uniqueness of the upper-boundary deferred-measurement instrument
• A dimension witness for delayed remote control
• DetectorSensorDickeOptimality
• Diagonal Kraus Instrument Factorization
• The equiprobable pretty-good-measurement comparison of Cha and Lee fails
• Error and disturbance below the endpoint minimum
• The Eventual-Click Doob Instrument
• Exact Conditional Preparation Cost
• An extreme POVM with rank vector (3,3,2,2,2,2,2,2)
• FactorWidthTwoCone
• The Fuchs–Caves fidelity ROC question is refuted
• Finite Detection Dark Space
• Single-Kraus Survival Limit
• Finite Detection Tail Bound
• Finite Kraus Instrument Born Marginal
• FourQubitCompatibilityDegree
• FourQubitParentConstruction
• The Fourier LDOI LOCC lower bound is not tight
• The Appendix A.1 feasible tuple
• Finite Closure of Dark Directions for General Instruments
• Uniform Detection Certificate for General Instruments
• Finite Closure of First-Event Effect Spaces
• No Definite Dark Direction for General Instruments
• Residual Tail Contraction for General Instruments
• Survival Effects of a General Instrument Converge to the Largest Fixed Effect
• A SIC-compound from eight Hoggar SICs
• The sharp Hoggar-SIC sum negativity
• IncoherentCone
• Incomplete Budget Physical Certificate
• An isolated qubit ensemble
• Joint Observer Visible Space and Residual
• Weighted multicopy designs need not be optimal
• LocallyPositiveSpectrum
• Lossy Qubit Partial Joint-Measurability Tightness
• The optimal coherence created by qubit measurements
• A Luders image without ambient Sob sum closure
• An identity ancilla defeats maximal measurement coherence monotonicity
• Measurable Matrix History Density
• Partial tightness of the multipartite entangled-measurement bound
• Cat pairs need not be optimal for metrology with noisy measurements
• A Permanent Dark Effect Need Not Be a Projection
• Quantum Observer Capacity Conservation
• Observer Refinement, Visibility, and Residuals
• OccupationPartialTransposeSpectral
• Joint occupation defeats linear phase probes
• Complete retained golden histories
• Operational Observation Kernel and Metric
• Ordered Root Coordinates
• Original Single-Terminal Ternary Obstruction
• The inverse Gram matrix of an orthocross MIC is half-integral
• Geometric parameters for the orthocross inverse
• Inverse-frame pairings of orthocross measurements
• Gaussian polynomials for orthocross pairings
• OverlapLowRankDistance
• Positive Branch Reachability and Response
• POVM Outcome Lower Bound
• Binary measurement incompatibility under pure loss
• Stationarity of quadratic POVM variations
• Qubit Incompatibility Probability
• Qubit Incompatibility Radial Reduction
• Qubit Incompatibility Rigidity
• QuditPartialEstimationTradeoff
• A rank-one qutrit MIC with nine orthogonal pairs
• Rare-Branch Conditional Error Sharpness
• The complementary W-state effect is not fully separable
• Flat-spectrum probe probabilities
• Three weak measurements of projections below minus one eighth
• Sharp-Measurement Compatibility
• The most classical orthonormal basis of spin 3/2
• A stabilizer measurement beyond every maximally entangled one
• Static Effect And Sequential Law Separation
• The exact three-coherence Ramsey threshold
• Visible Adaptive Physical Record Law
• Word-Probability Trace Representation
• Finite Zeta Thermal States Are Fixed by Basis Pinching