A characterization of the segal entropy

W. Ochs; H. Spohn

doi:10.1016/0034-4877(78)90034-4

A characterization of the segal entropy

W. Ochs, H. Spohn

University of Munich

Research output: Contribution to journal › Article › peer-review

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Abstract

We study the Segal entropy S(ψ{divides}τ) = -τ( dψ dτ ln dψ dτ) of a normal state ψ on a W^*-algebra M with respect to a faithful normal semi-finite trace τ on M and we give a unique characterization of this general entropy concept by means of some natural properties.

Original language	English
Pages (from-to)	75-87
Number of pages	13
Journal	Reports on Mathematical Physics
Volume	14
Issue number	1
DOIs	https://doi.org/10.1016/0034-4877(78)90034-4
State	Published - Aug 1978
Externally published	Yes

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title = "A characterization of the segal entropy",

abstract = "We study the Segal entropy S(ψ{divides}τ) = -τ( dψ dτ ln dψ dτ) of a normal state ψ on a W*-algebra M with respect to a faithful normal semi-finite trace τ on M and we give a unique characterization of this general entropy concept by means of some natural properties.",

author = "W. Ochs and H. Spohn",

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AU - Spohn, H.

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AB - We study the Segal entropy S(ψ{divides}τ) = -τ( dψ dτ ln dψ dτ) of a normal state ψ on a W*-algebra M with respect to a faithful normal semi-finite trace τ on M and we give a unique characterization of this general entropy concept by means of some natural properties.

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U2 - 10.1016/0034-4877(78)90034-4

DO - 10.1016/0034-4877(78)90034-4

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SN - 0034-4877

VL - 14

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JO - Reports on Mathematical Physics

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A characterization of the segal entropy

Abstract

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