Two postulates suffice to single out the full quantum theory in finite dimensions.
Choi, Linear Algebra Appl.10, 285 (1975)
2 Pith papers cite this work. Polarity classification is still indexing.
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In an N-qubit network with one conserved excitation, a single transition amplitude determines positivity and complete positivity of subsystem propagators, links them to excitation flow and Fisher information, and reveals an unvisited band of states inside the positivity domain.
citing papers explorer
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Two Operational Principles Single Out Quantum Theory
Two postulates suffice to single out the full quantum theory in finite dimensions.
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Excitation Flow, Positivity, and Fisher Information for Open Subsystems of an $N$-Qubit Network
In an N-qubit network with one conserved excitation, a single transition amplitude determines positivity and complete positivity of subsystem propagators, links them to excitation flow and Fisher information, and reveals an unvisited band of states inside the positivity domain.