Notes on coarse grainings and functions of observables
classification
🪐 quant-ph
keywords
observablecoarseconditionsanotherbooleandilationfunctionfunctions
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Using the Naimark dilation theory we investigate the question under what conditions an observable which is a coarse graining of another observable is a function of it. To this end, conditions for the separability and for the Boolean structure of an observable are given.
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