On the range of completely bounded maps

It is shown that if every bounded linear map from a C*-algebra α to a von Neumann algebra β is completely bounded, then either α is finite-dimensional or β⫅𝒞⊗Mn, where 𝒞 is a commutative von Neumann algebra and Mn is the algebra of n×n complex matrices.

Bibliographic Details
Main Author: Richard I. Loebl
Format: Article
Language:English
Published: Hindawi Limited 1978-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171278000241
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spelling doaj-02f152b3bb4e4af29563233c6538dbc02020-11-25T00:17:30ZengHindawi LimitedInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251978-01-011220921510.1155/S0161171278000241On the range of completely bounded mapsRichard I. Loebl0Department of Mathematics, Wayne State University, Detroit 48202, Michigan, USAIt is shown that if every bounded linear map from a C*-algebra α to a von Neumann algebra β is completely bounded, then either α is finite-dimensional or β⫅𝒞⊗Mn, where 𝒞 is a commutative von Neumann algebra and Mn is the algebra of n×n complex matrices.http://dx.doi.org/10.1155/S0161171278000241completely bounded mapsC*-algebrasvon Neumann algebrasextension of maps.
collection DOAJ
language English
format Article
sources DOAJ
author Richard I. Loebl
spellingShingle Richard I. Loebl
On the range of completely bounded maps
International Journal of Mathematics and Mathematical Sciences
completely bounded maps
C*-algebras
von Neumann algebras
extension of maps.
author_facet Richard I. Loebl
author_sort Richard I. Loebl
title On the range of completely bounded maps
title_short On the range of completely bounded maps
title_full On the range of completely bounded maps
title_fullStr On the range of completely bounded maps
title_full_unstemmed On the range of completely bounded maps
title_sort on the range of completely bounded maps
publisher Hindawi Limited
series International Journal of Mathematics and Mathematical Sciences
issn 0161-1712
1687-0425
publishDate 1978-01-01
description It is shown that if every bounded linear map from a C*-algebra α to a von Neumann algebra β is completely bounded, then either α is finite-dimensional or β⫅𝒞⊗Mn, where 𝒞 is a commutative von Neumann algebra and Mn is the algebra of n×n complex matrices.
topic completely bounded maps
C*-algebras
von Neumann algebras
extension of maps.
url http://dx.doi.org/10.1155/S0161171278000241
work_keys_str_mv AT richardiloebl ontherangeofcompletelyboundedmaps
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