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I. J. Schoenberg Selected Papers PDF

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Contemporary Mathematicians Gian-Carlo Rota Editor Springer Science+Business Media, LLC AN HOMAGE TO LEONHARD EULER 1 -l;r~----------------~~ .If bounded exponentilll Euler spline (page 29). Frontispiece from [114] Cardinal Spline Interpolation CBMS Regional Conference Monograph No. 12, SIAM, 1973. Reprinted by permission of SIAM. I.J. Schoenberg Selected Papers Volume 2 Edited by Carl de Boor Springer Science+Business Media, LLC 1988 I.J. Schoenberg Carl de Boor (Editor) University of Wisconsin-Madison Madison, WI 53705 U.S.A. Library of Congress Cataloging-in-Publication Data Schoenberg, I.J. [Selections. 1988] Selected papers /I.J. Schoenberg ; edited by Carl de Boor. p. cm.—(Contemporary mathematicians) Includes bibliographies. ISBN 978-1-4899-0435-5 1. Mathematics—Collected works. I. De Boor, Carl. II. Title. III. Title: I.J. Schoenberg, selected papers. IV. Series. QA3.S365A25 1988 510—dcl9 . 88 2860 CIP-Titelaufnahme der Deutschen Bibliothek Schoenberg, Isaac J.: Selected papers /1. J. Schoenberg. Ed. by Carl de Boor. — Boston ; Basel : Birkhäuser. (Contemporary mathematicians) ISBN 978-1-4899-0435-5 NE: Schoenberg, Isaac J.: [Sammlung] WG: 27 DBN 55.138120.5 6954/01 rr WG: 27 DBN 88.021072.9 88.01.20 6954/02* rr All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior permission of the copyright owner. © Springer Science+Business Media New York 1988 Originally published by Birkhäuser Boston Inc. in 1988 Softcover reprint of the hardcover 1st edition 1988 ISBN 978-1-4899-0435-5 ISBN 978-1-4899-0433-1 (eBook) DOI 10.1007/978-1-4899-0433-1 Table of Contents Volume 2 Table of Contents, Volume 1 . . . vii Publications of I. J. Schoenberg . . ix Cardinal splines [31] Contributions to the problem of approximation of equidistant data by analytic functions. Part A: On the problem of smoothing or graduation. A first class of analytic approximation formulae . . . . . . . . . . . . . . . . . . . . . . 3 [32] Contributions to the problem of approximation of equidistant data by analytic functions. Part B: On the problem of osculatory interpolation. A second class of analytic approximation formulae . . . . . . . . . . . . . . . . . . . . . . 58 [110] Cardinal interpolation and spline functions IV. The exponential Euler splines . 88 [113] Cardinal interpolation and spline functions VII. The behavior of cardinal spline interpolants as their degree tends to infinity ............. 111 [129] On the remainders and the convergence of cardinal spline interpolation for almost periodic functions 137 C. de Boor: Cardinal splines 164 Smoothing [48] On smoothing operations and their generating functions. 169 [76] Spline functions and the problem of graduation 201 Total positivity and variation diminution [4] Uber variationsvermindernde line are Transformationen 207 [15] Zur Abzahlung der reellen Wurzeln algebraischer Gleichungen 216 [45] (With M. Aissen and A. M. Whitney), On the generating functions of totally positive sequences I . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 [90] (With M. Marsden), On variation diminishing spline approximation methods .......................... . 247 S. Karlin: Total positivity and variation diminishing transformations 269 P6lya frequency functions [43] On P6lya frequency functions. I. The totally positive functions and their Laplace transforms . . . . . . . . . . . . . . . . . . . . . . . . . . 277 [39] On P6lya frequency functions. II. Variation diminishing integral operators of the convolution type ........................ 321 [47] (With Anne Whitney), On P6lya frequency functions. III. The positivity of translation determinants with an application to the interpolation problem by spline curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 v [86] (With H. B. Curry), On P6lya frequency functions. N. The fundamental spline functions and their limits. . . . . . . . . 347 S. Karlin: P6lya frequency functions and sequences 384 The variational approach to splines [72] Spline interpolation and best quadrature formulae 391 [75] On best approximations of linear operators 397 [80] On interpolation by spline functions and its minimal properties 407 C. de Boor: The variational approach to splines . 428 Hermite-Birkhoff interpolation [89] On Hermite-Birkhoff interpolation ... 432 G.G. Lorentz: Schoenberg's work on Hermite-Birkhoff interpolation 438 Permissions 441 vi Table of Contents, Volume 2 Volume 1 C. de Boor: Foreword ... v Table of Contents, Volume 2 ix Publications of 1. J. Schoenberg . xi 1. J. Schoenberg: A brief account of my life and work 1 Number theory [1] Uber die asymptotische Verteilung reeller Zahlen mod 1 . 13 [18] On asymptotic distributions of arithmetical functions .43 [22] Regular simplices and quadratic forms 59 P. Erdos: Commentary 67 Linear inequalities [7] On finite and infinite completely monotonic sequences . . . . . . . 70 [50] (With T. S. Motzkin), The relaxation method for linear inequalities 75 J.-L. Goffin: The relaxation method for linear inequalities .87 Metric geometry [16] Remarks to Maurice Frechet's article 'Sur la definition axiomatique d'une classe d'espace distancies vectoriellement applicable sur l'espace de Hilbert' . 90 [25] Metric spaces and positive definite functions . . . . . . . . . 110 [26] Metric spaces and completely monotone functions 115 [28] (With J. von Neumann), Fourier integrals and metric geometry 146 [29] Positive definite functions on spheres . . . 172 [49] On a theorem of Kirzbraun and Valentine . 186 S. Cambanis and D. Richards: Metric geometry . 189 R. Askey: Commentary on a footnote . . . . . 192 Real analysis [24] On the Peano curve of Lebesgue . . . . . . . . . . . . . . . . . . 197 [51] An isoperimetric inequality for closed curves convex in even-dimensional Euclidean spaces . . . . . . . . . . . . . . . . . . . . . 199 [70] On the Besicovitch-Perron solution of the Kakeya problem 221 Complex analysis [44] (With T. S. Motzkin)' On lineal entire functions of n complex variables 229 [53] On the zeros of the generating functions of multiply positive sequences and functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 239 [55] (With G. P6Iya), Remarks on de la Vallee Poussin means and convex conformal maps of the circle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 vii [60] (With B. Epstein), On a conjecture concerning schlicht functions 305 [106] Norm inequalities for a certain class of Coo functions 308 S. Ruscheweyh: The P6lya-Schoenberg conjecture ..... 317 Extremum problems [100] (With A. Cavaretta), Solution of Landau's problem concerning higher derivatives on the halfline . . . . . . . . . . . . . . . . . 320 [105] The perfect B-splines and a time-optimal control problem 335 [141] The Landau problem I. The case of motions on sets . . . 350 [149] The Landau problem II. The case of motions on curves 361 [150] The Landau problem III. Motions on special curves and time-optimal control problems ......................... 373 History [157] On polynomial interpolation at the points of a geometric progression 391 Permissions 405 viii Table of Contents, Volume I Publications of I. J. Schoenberg 1 * Uber die asymptotische Verteilung reeller Zahlen mod 1, Math. Z. 28 (1928), 171-199. a 2. Sur un theoreme de Steiner relatif la quadrature des courbes roulettes, Ann. Sci. Univ. Jassy 16 (1930),6--13. 3. Uber total monotone Folgen mit stetiger Belegungsfunktion, Math. Z. 30 (1929),761- 767. 4* Uber variationsvermindernde lineare Transformationen, Math. Z. 32 (1930),321-328. 5. (With G. A. Bliss), On separation, comparison and oscillation theorems for self-adjoint systems of linear second order differential equations, Amer. J. Math. LIII (1931), 781- 800. 6. The minimizing properties of geodesic arcs with conjugate end points, Ann. of Math. (2) 32 (1931),763-776. 7* On finite and infinite completely monotonic sequences, Bull. Amer. Math. Soc. (Feb. 1932), 72-76. 8. On finite-rowed systems of linear inequalities in infinitely many variables. I, Trans. Amer. Math. Soc. 34 (1932), 594-619. 9. On finite-rowed systems of linear inequalities in infinitely many variables. II, Trans. Amer. Math. Soc. 35 (1932), 452-478. 10. (With G. A. Bliss), On the derivation of necessary conditions for the problem of Bolza, Bull. Amer. Math. Soc. (Dec. 1932),858-864. 11. Some applications of the calculus of variations to Riemannian geometry, Ann. of Math. 33 (1932), 485-495. 12. Convex domains and linear combinations of continuous functions, Bull. Amer. Math. Soc. (Apr. 1933), 273-280. 13. (With T. H. Hildebrandt), On linear functional operations and the moment problem for a finite interval in one or several dimensions, Ann. of Math. 34 (1933),317-328. 14. A remark on the preceding note by Bochner, Bull. Amer. Math. Soc. (Apr. 1934), 277-278. 15* Zur Abziihlung der reellen Wurzeln algebraischer Gleichungen, Math. Z. 38 (1934), 546-564. 16* Remarks to Maurice Frechet's article 'Sur la definition axiomatique d'une classe d'espace distancies vectoriellement applicable sur l'espace de Hilbert,' Ann. of Math. 36 (1935), 724-732. 17. On the zeros of the successive derivatives of integral functions, Proc. Nat. Acad. Sci. 21 (1935),674-676. 18* On asymptotic distributions of arithmetical functions, Trans. Amer. Math. Soc. 39 (1936), 315-330. 19. Extensions of theorems of Descartes and Laguerre to the complex domain, Duke Math. J. 2 (1936),84-94. 20. On certain two-point expansions of integral functions of exponential type, Bull. Amer. Math. Soc. (1936), 284-288. 21. On the zeros of successive derivatives of integral functions, Trans. Amer. Math. Soc. 40 (1936), 12-23. 22* Regular simplices and quadratic forms, J. London Math. Soc. 12 (1937),48-55. ix

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