Edward B. Saff – författare
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8 produkter
8 produkter
1 496 kr
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It features three chapters dealing with point distributions on the sphere, including an extensive treatment of Delsarte–Yudin–Levenshtein linearprogramming methods for lower bounding energy, a thorough treatment of Cohn–Kumar universality, and a comparison of 'popular methods' for uniformly distributing points on the two-dimensional sphere.
640 kr
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This volume is a selection from the 281 published papers of Joseph Leonard Walsh, former US Naval Officer and professor at University of Maryland and Harvard University. The nine broad sections are ordered following the evolution of his work. Commentaries and discussions of subsequent development are appended to most of the sections. Also included is one of Walsh's most influential works, "A closed set of normal orthogonal function," which introduced what is now known as "Walsh Functions".
Del 316 - Grundlehren der mathematischen Wissenschaften
Logarithmic Potentials with External Fields
Inbunden, Engelska, 2024
1 921 kr
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This is the second edition of an influential monograph on logarithmic potentials with external fields, incorporating some of the numerous advancements made since the initial publication. As the title implies, the book expands the classical theory of logarithmic potentials to encompass scenarios involving an external field.
Approximation Theory. Tampa
Proceedings of a Seminar held in Tampa, Florida, 1985 - 1986
Häftad, Engelska, 1987
486 kr
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273 kr
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0. The results are consequences of a strengthened form of the following assertion: Given 0 1. Auxiliary results include inequalities for weighted polynomials, and zeros of extremal polynomials. The monograph is fairly self-contained, with proofs involving elementary complex analysis, and the theory of orthogonal and extremal polynomials. It should be of interest to research workers in approximation theory and orthogonal polynomials.
Computational Methods and Function Theory
Proceedings of a Conference held in Valparaiso, Chile, March 13-18, 1989
Häftad, Engelska, 1990
379 kr
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The volume is devoted to the interaction of modern scientific computation and classical function theory. Many problems in pure and more applied function theory can be tackled using modern computing facilities: numerically as well as in the sense of computer algebra. On the other hand, computer algorithms are often based on complex function theory, and dedicated research on their theoretical foundations can lead to great enhancements in performance. The contributions - original research articles, a survey and a collection of problems - cover a broad range of such problems.
Methods of Approximation Theory in Complex Analysis and Mathematical Physics
Leningrad, May 13-24, 1991
Häftad, Engelska, 1993
411 kr
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This volume incorporates research papers and surveys written by participants to the International Scientific Programme on Approximation Theory, jointly supervised by the Institute for Constructive Mathematics of the University of South Florida at Tampa, USA, and the Euler International Mathematical Institute of St Petersburg, Russia. The aim of the programme was to present new developments in constructive approximation theory. The contributors discussed such topics as: the asymptotic behaviour of orthogonal polynomials; the rational approximation of classical functions; quadrature formulas; the theory of n-widths; nonlinear approximation in Hardy algebras; numerical results on best polynomial approximations; and wavelet analysis.
539 kr
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This treatment of potential theory emphasizes the effects of an external field (or weight) on the minimum energy problem. Several important aspects of the external field problem (and its extension to signed measures) justify its special attention. The most striking is that it provides a unified approach to seemingly different problems in constructive analysis. These include the asymptotic analysis of orthogonal polynomials, the limited behavior of weighted Fekete points; the existence and construction of fast decreasing polynomials; the numerical conformal mapping of simply and doubly connected domains; generalization of the Weierstrass approximation theorem to varying weights; and the determination of convergence rates for best approximating rational functions.