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Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

A note on circular trace formulae

Author(s): Irina Nenciu
Journal: Proc. Amer. Math. Soc. 136 (2008), 2785-2792.
MSC (2000): Primary 42C05
Posted: April 8, 2008
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Abstract | References | Similar articles | Additional information

Abstract: We find a finite CMV matrix whose eigenvalues coincide with the Dirichlet data of a circular periodic problem. As a consequence, we obtain circular analogues of the classical trace formulae for periodic Jacobi matrices.


References:

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R. Killip and I. Nenciu, Matrix models for circular ensembles. Int. Math. Res. Not. 50 (2004), 2665-2701. MR 2127367 (2006h:82003)

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I. Nenciu, CMV matrices in random matrix theory and integrable systems: a survey. J. Phys. A. 39 (2006), 8811-8822. MR 2240460

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B. Simon, Orthogonal Polynomials on the Unit Circle, Part 1: Classical Theory, AMS Colloquium Series, American Mathematical Society, Providence, RI, 2005. MR 2105088 (2006a:42002a)

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Additional Information:

Irina Nenciu
Affiliation: Courant Institute, 251 Mercer Street, New York, New York 10012
Email: nenciu@cims.nyu.edu

DOI: 10.1090/S0002-9939-08-09132-6
PII: S 0002-9939(08)09132-6
Received by editor(s): June 7, 2006
Posted: April 8, 2008
Additional Notes: The author wishes to thank Barry Simon for his encouragement and useful suggestions. This work was partly supported by NSF grant DMS-0111298.
Communicated by: Carmen C. Chicone
Copyright of article: Copyright 2008, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.


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