The correlation numerical range of a matrix and Connes' embedding problem

    Authors

    D. Hadwin;D. G. Han

    Comments

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    Abbreviated Journal Title

    Linear Alg. Appl.

    Keywords

    Numerical range; Correlation numerical range; Connes' embedding problem; OPERATORS; ALGEBRAS; Mathematics, Applied; Mathematics

    Abstract

    We define a new numerical range of an n x n complex matrix in terms of correlation matrices and develop some of its properties We also define a related numerical range that arises from Connes' famous embedding problem. (C) 2011 Elsevier Inc. All rights reserved.

    Journal Title

    Linear Algebra and Its Applications

    Volume

    436

    Issue/Number

    9

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    3139

    Last Page

    3148

    WOS Identifier

    WOS:000302852700014

    ISSN

    0024-3795

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