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Perturbation analysis of eigenvalues of polynomial matrices smoothly depending on parameters

Published: 14 July 2011 Publication History

Abstract

Let P(λ) = Σi=0kλiAi(p) be a family of monic polynomial matrices smoothly dependent on a vector of real parameters p = (p1,..., pn). In this work we study behavior of a multiple eigenvalue of the monic polynomial family P(λ).

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P. Benner, V. Mehrmann, H. Xu, Perturbation Analysis for the Eigenvalue Problem of a Formal Product of Matrices, BIT, Numerical Mathematics, 42, pp. 1-43, (2002).
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E. King-Wah Chu, Perturbation of eigenvalues for matrix polynomials via the Bauer-Fike Theorems, SIAM journal on matrix analysis and applications, 25, (2), pp. 551-573, (2004).
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M. I. García, Introducción a la Teoría de Matrices Polinomiales. Edicions UPC, Barcelona, 1999.
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M. I. García-Planas, S. Tarragona, Perturbation analysis of simple eigenvalues of polynomial matrices smoothly depending on parameters. Proceedings of ALAMA 2010. pp. 1-7, (2010).
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I. Gohberg, P. Lancaster, L. Rodman, "Matrix Polynomials", Academic Press, New York, 1982.
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T. Kato, "Perturbation Theory for Linear Operators", Springer-Verlag, Berlin, 1980.
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  1. Perturbation analysis of eigenvalues of polynomial matrices smoothly depending on parameters

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      cover image Guide Proceedings
      Proceedings of the 15th WSEAS international conference on Systems
      July 2011
      481 pages
      ISBN:9781618040237

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      World Scientific and Engineering Academy and Society (WSEAS)

      Stevens Point, Wisconsin, United States

      Publication History

      Published: 14 July 2011

      Author Tags

      1. eigenvalues
      2. perturbation
      3. polynomial matrix

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