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Foundations of Physics

, Volume 9, Issue 11–12, pp 939–946 | Cite as

A remark on the concavity of entropy

  • A. Wehrl
Article

Abstract

We investigate to what extent theorems about quantum mechanical or classical entropy can be generalized to functionals of the type ρ→Tr f(ρ), or ψ→∫f(ψ)dμ, respectively, wheref is an arbitrary concave function.

Keywords

Entropy Concave Function Classical Entropy Arbitrary Concave 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1979

Authors and Affiliations

  • A. Wehrl
    • 1
  1. 1.Institut für Theoretische PhysikUniversität WienViennaAustria

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