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


Isometries for Ky Fan norms between matrix spaces

Authors: Chi-Kwong Li, Yiu-Tung Poon and Nung-Sing Sze
Journal: Proc. Amer. Math. Soc. 133 (2005), 369-377
MSC (2000): Primary 15A04, 15A60
Published electronically: August 26, 2004
MathSciNet review: 2093057
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Abstract: We characterize linear maps between different rectangular matrix spaces preserving Ky Fan norms.

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Additional Information

Chi-Kwong Li
Affiliation: Department of Mathematics, College of William and Mary, P.O. Box 8795, Williamsburg, Virginia 23187-8795

Yiu-Tung Poon
Affiliation: Department of Mathematics, Iowa State University, Ames, Iowa 50011 – and – Department of Mathematics, HKIEd, Hong Kong

Nung-Sing Sze
Affiliation: Department of Mathematics, The University of Hong Kong, Hong Kong

PII: S 0002-9939(04)07510-0
Keywords: Isometry, matrices, linear maps
Received by editor(s): July 8, 2003
Received by editor(s) in revised form: August 26, 2003
Published electronically: August 26, 2004
Additional Notes: The first author’s research was partially supported by NSF
The third author thanks Dr.\ Jor-Ting Chan for his guidance and encouragement
Communicated by: Joseph A. Ball
Article copyright: © Copyright 2004 American Mathematical Society

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