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Overview1) but not in|z|? ?, then the di?erence between the Lagrange interpolant to it th in the n roots of unity and the partial sums of degree n? 1 of the Taylor 2 series about the origin, tends to zero in a larger disc of radius ? , although both operators converge to f(z) only for|z| Full Product DetailsAuthor: Amnon Jakimovski , Ambikeshwar Sharma , József SzabadosPublisher: Springer-Verlag New York Inc. Imprint: Springer-Verlag New York Inc. Edition: 2006 ed. Dimensions: Width: 15.50cm , Height: 1.90cm , Length: 23.50cm Weight: 1.360kg ISBN: 9781402041747ISBN 10: 1402041748 Pages: 298 Publication Date: 09 March 2006 Audience: College/higher education , Undergraduate Format: Hardback Publisher's Status: Active Availability: In Print ![]() This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsLagrange Interpolation and Walsh Equiconvergence.- Hermite and Hermite-Birkhoff Interpolation and Walsh Equiconvergence.- A Generalization of the Taylor Series to Rational Functions and Walsh Equiconvergence.- Sharpness Results.- Converse Results.- Padé Approximation and Walsh Equiconvergence for Meromorphic Functions with ?–Poles.- Quantitative Results in the Equiconvergence of Approximation of Meromorphic Functions.- Equiconvergence for Functions Analytic in an Ellipse.- Walsh Equiconvergence Theorems for the Faber Series.- Equiconvergence on Lemniscates.- Walsh Equiconvergence and Equisummability.ReviewsFrom the reviews: <p> This book, written by three leading experts in interpolation and approximation theory, is a collection of new and old results stemming from the a ] theorem of Walsh (1932) a ] . The book is quite accessible a ] . There are 11 chapters, each ending with some historical remarks, very appropriate for a monograph of this character. a ] this book is a valuable source of information about this nice topic of complex approximation theory, containing many results that so far were available only in research papers. (Andrei MartA-nez Finkelshtein, Zentralblatt MATH, Vol. 1093 (19), 2006) <p> This elegant and interesting book treats a topic that grew out of a clever observation of Joseph Walsh, for many years one of Americaa (TM)s pre-eminent approximators. a ] The authors of the book are prominent contributors to this topic, and so especially suited to chronicle its development. a ] All in all, this is a nice book, and readers can dip into it to learn about many different topics, through the lens of equiconvergence. (D. S. Lubinsky, Mathematical Reviews, Issue 2007 b) From the reviews: This book, written by three leading experts in interpolation and approximation theory, is a collection of new and old results stemming from the ! theorem of Walsh (1932) ! . The book is quite accessible ! . There are 11 chapters, each ending with some historical remarks, very appropriate for a monograph of this character. ! this book is a valuable source of information about this nice topic of complex approximation theory, containing many results that so far were available only in research papers. (Andrei Martinez Finkelshtein, Zentralblatt MATH, Vol. 1093 (19), 2006) This elegant and interesting book treats a topic that grew out of a clever observation of Joseph Walsh, for many years one of America's pre-eminent approximators. ! The authors of the book are prominent contributors to this topic, and so especially suited to chronicle its development. ! All in all, this is a nice book, and readers can dip into it to learn about many different topics, through the lens of equiconvergence. (D. S. Lubinsky, Mathematical Reviews, Issue 2007 b) Author InformationTab Content 6Author Website:Countries AvailableAll regions |