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Proceedings of the American Mathematical Society

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Riesz points of upper triangular operator matrices


Author: Bruce A. Barnes
Journal: Proc. Amer. Math. Soc. 133 (2005), 1343-1347
MSC (2000): Primary 47A10
DOI: https://doi.org/10.1090/S0002-9939-04-07811-6
Published electronically: December 15, 2004
MathSciNet review: 2111940
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Abstract: Two results are proved which concern Riesz points of upper triangular operator matrices. Applications are made to questions involving when Weyl's Theorem holds for an upper triangular operator matrix.


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Additional Information

Bruce A. Barnes
Affiliation: Department of Mathematics, University of Oregon, Eugene, Oregon 97403
Email: barnes@math.uoregon.edu

DOI: https://doi.org/10.1090/S0002-9939-04-07811-6
Keywords: Riesz point, upper triangular operator matrix, Weyl's Theorem
Received by editor(s): November 4, 2003
Published electronically: December 15, 2004
Communicated by: Joseph A. Ball
Article copyright: © Copyright 2004 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.