Universal quantum data compression via gentle tomography
Charles H. Bennett, Aram W. Harrow, Seth Lloyd
Abstract
Quantum state tomography--the practice of estimating a quantum state by performing measurements on it--is useful in a variety of contexts. We introduce "gentle tomography" as a version of tomography that preserves the measured quantum data. As an application of gentle tomography, we describe a simple polynomial-time method for universal source coding.
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