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A note on relative entropy

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Abstract

The quantum-mechanical concept of relative entropy is discussed from an information-theoretic point of view. We show that not all definitions found in the recent literature are equally suitable for the purpose of statistical inference by entropy maximization.

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Authors and Affiliations

  1. Department of Mathematics, University of Denver, 80208, CO, USA

    Rodney W. Benoist & Jean-Paul Marchand

  2. Department of Physics, University of Denver, 80208, CO, USA

    Rodney W. Benoist & Jean-Paul Marchand

  3. Department of Physics and Astrophysics, University of Colorado, 80309, CO, USA

    Walter Wyss

Authors
  1. Rodney W. Benoist
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  2. Jean-Paul Marchand
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  3. Walter Wyss
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Benoist, R.W., Marchand, JP. & Wyss, W. A note on relative entropy. Lett Math Phys 3, 169–173 (1979). https://doi.org/10.1007/BF00405288

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  • DOI: https://doi.org/10.1007/BF00405288

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