trureturingGitHub MATHEMATICAL ATLAS

Quantum / CONCEPT

The sharp A|BC constant of the GHZ measure

The GHZ measure has sharp bound one half on arbitrary A|BC product density states.

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THEOREM

The exact constant is one half

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Classical and Quantum Coherence ReachabilityClassical and Quantum CoherenceReachabilityPure-qubit affine geometryPure-qubit affine geometryDensity-state covariance and its sparse sumDensity-state covariance andits sparse sumHermitian SLD energyHermitian SLD energyA Tight CHSH WitnessA Tight CHSH WitnessThe sharp A|BC constant of the GHZ measureThe sharp A|BC constant of theGHZ measureTwo unbounded entanglement gaps with one qubitTwo unbounded entanglement gapswith one qubitCotfas discrete Gaussian positivityCotfas discrete GaussianpositivityThe ten-setting GHZ witness in odd dimensionsThe ten-setting GHZ witness inodd dimensionsFailure of partial-negativity subadditivityFailure of partial-negativitysubadditivitySinglet padding and the universal precession thresholdSinglet padding and theuniversal precession thresholdThe qutrit Weyl--Bloch one-normThe qutrit Weyl--Bloch one-normOrder-three Renyi information combiningOrder-three Renyi informationcombiningThree-qubit stabilizer polar elementsThree-qubit stabilizer polarelementsAbsoluteTwoIncoherencePurityRefutationAbsoluteTwoIncoherencePurityRefutationBroadcasting channels need have neither extremumBroadcasting channels need haveneither extremumPure covariant programs do not match the mixed dimensionPure covariant programs do notmatch the mixed dimensionLog-negativity capacity depends on the input resourceLog-negativity capacity dependson the input resourcePositive Kraus operators with an entanglement advantagePositive Kraus operators withan entanglement advantage
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