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General Orthogonal Polynomials

$91.00 (C)

Part of Encyclopedia of Mathematics and its Applications

  • Date Published: March 2010
  • availability: Available
  • format: Paperback
  • isbn: 9780521135047

$ 91.00 (C)
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About the Authors
  • In this treatise, the authors present the general theory of orthogonal polynomials on the complex plane and several of its applications. The assumptions on the measure of orthogonality are general, the only restriction is that it has compact support on the complex plane. In the development of the theory the main emphasis is on asymptotic behavior and the distribution of zeros. In the first two chapters exact upper and lower bounds are given for the orthonormal polynomials and for the location of their zeros. The next three chapters deal with regular n-th root asymptotic behavior, which plays a key role both in the theory and in its applications. Orthogonal polynomials with this behavior correspond to classical orthogonal polynomials in the general case, and many extremal properties of measures in mathematical analysis and approximation theory with this type of regularity turn out to be equivalent. Several easy-to-use criteria are presented for regular behavior. The last chapter contains applications of the theory, including exact rates for convergence of rational interpolants, best rational approximants and non-diagonal Pade approximants to Markov functions (Cauchy transforms of measures). The results are based on potential theoretic methods, so both the methods and the results can be extended to extremal polynomials in norms other than L2 norms. A sketch of the theory of logarithmic potentials is given in an appendix.

    • The essential encyclopedic reference work on general orthogonal polynomials
    • Intended for physicists as well as mathematicians
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    Reviews & endorsements

    "...a well-written, well laid out, interesting research monograph, essential to anyone involved in complex approximation, orthogonal polynomials, rational approximation, and applications of potential theory in the plane." D. S. Lubinsky, Bulletin of the American Mathematical Society

    "A truly wonderful...book. It should be on the shelf of anyone who seriously wants to study orthogonal polynomials." Walter Van Assche, Mathematical Reviews

    "...an important...book, necessary to anybody interested in advanced features of complex approximation theory, orthogonal polynomials, measure theory, and logarithmic potential theory." Alphonse Magnus and Walter Van Assche, Journal of Aapproximation Theory

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    Product details

    • Date Published: March 2010
    • format: Paperback
    • isbn: 9780521135047
    • length: 268 pages
    • dimensions: 229 x 152 x 15 mm
    • weight: 0.4kg
    • availability: Available
  • Table of Contents

    Introduction
    1. Upper and lower bounds
    2. Zero distribution of orthogonal polynomials
    3. Regular n-th root asymptotic behaviour of orthogonal polynomials
    4. Regularity criteria
    5. Localization
    6. Applications
    Appendix
    Notes and bibliographical references
    Bibliography
    List of symbols
    Index.

  • Authors

    Herbert Stahl, Technische Fachhochschule, Berlin

    Vilmos Totik, University of South Florida

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