Measures on projections and physical states

Erik Christensen

doi:10.1007/BF01214888

Measures on projections and physical states

Erik Christensen^*

^*Corresponding author for this work

Department of Mathematical Sciences

Research output: Contribution to journal › Journal article › Research › peer-review

69 Citations (Scopus)

Abstract

It is shown that a finitely additive measure on the projections of a von Neumann algebra without I₂ and II₁ summands is the restriction of a state. A definition of a physical state is proposed, and it is shown that such a physical state on a simple C*-algebra with unit is a state.

Original language	English
Journal	Communications in Mathematical Physics
Volume	86
Issue number	4
Pages (from-to)	529-538
Number of pages	10
ISSN	0010-3616
DOIs	https://doi.org/10.1007/BF01214888
Publication status	Published - Dec 1982

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Measures on projections and physical states

Abstract

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