Metric characterizations of isometries and of unital operator spaces and systems

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We give some new characterizations of unitaries, isometries, unital operator spaces, unital function spaces, operator systems, C*-algebras, and related objects. These characterizations only employ the vector space and operator space structure.
13 pages. A new last section has been added, on function spaces

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Operator Algebras, Mathematical Physics, Functional Analysis

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http://salesiana.dossiersoluciones.com/handle/123456789/161442

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0805.2166
 http://arxiv.org/abs/0805.2166

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arXiv