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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

An $ n\times n$ matrix of linear maps of a $ C\sp *$-algebra


Author: Ching Yun Suen
Journal: Proc. Amer. Math. Soc. 112 (1991), 709-712
MSC: Primary 46L05
MathSciNet review: 1069296
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Abstract: Every positive $ n \times n$ matrix of linear functionals on a $ {C^ * }$-algebra is completely positive. [3, Theorem 2.1] can be extended to the case of a bounded $ n \times n$ matrix of linear functionals.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1991-1069296-4
PII: S 0002-9939(1991)1069296-4
Keywords: Positive map, completely positive linear map, completely bounded linear map, commutant representation
Article copyright: © Copyright 1991 American Mathematical Society