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Semi-Metrics on the Normal States of a W*-Algebra
Published online by Cambridge University Press: 20 November 2018
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This paper is concerned with some extensions of the Bures metric d defined on the set of normal states of a W*-algebra [2]. Each subgroup G of the automorphism group of leads naturally to a semi-metric dG. (See Definition 1.1 below.) When G is the identity group dG = d.
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- Copyright © Canadian Mathematical Society 1973
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