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TitleDelay Equations, Approximation and Application [electronic resource] : International Symposium at the University of Mannheim, October 8-11, 1984 / edited by G. Meinardus, G. Nรผrnberger
ImprintBasel : Birkhรคuser Basel, 1985
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Descript 351 p. online resource


The international symposium held in October 1984 at the Uniยญ versity of Mannheim was the first with the special aim to expose the connection of the Theory of Delay Eauations and Approximation Theory with the emphasis on constructive methods and applications. Although the separate character of both domains is reflected by their historical development, the latest research shows that the numerical treatment of Delay Equations leads to various approยญ ximation and optimization problems. An introductory survey of this circle of problems written by the editors is included at the beginning of the book. Delay Equations have their origin in domains of applications, such as physics, engineering, biology, medicine and economics. They appear in connection with the fundamental problem to analyse a retarded process from the real world, to develop a corresponding mathematical model and to determine the future behavior. Thirty mathematicians attended the conference coming from Germany, West- and Eastern Europe and the United States- more than twenty of them presented a research talk. The lectures about Delay Equations were mainly oriented on the following subjects: single-step, multi-step and spline methods; monotonicity methods for error estimations; asymptotic behavior 10 and periodicity of solutions. The topics of the talks on Approxiยญ mation Theory covered different aspects of approximation by polyยญ nomials, splines and rational functions and their numerical reaยญ lization. Additionally included in the scientific program was a special session on Open Problems, where several suggestions were made for further research concerning both fields


Approximation Theory and Numerical Methods for Delay Differential Equations -- Numerical Integration of Retarded Differential Equations with Periodic Solutions -- Constrained Mesh Methods for Functional Differential Equations -- Distribution of Zeros of Polynomial Sequences, Especially Best Approximations -- On a Conjecture about the Critical Points of a Polynomial -- Inclusion of Solutions of Certain Types of Linear and Nonlinear Delay-Equations -- Interpolation of Odd Periodic Functions on Uniform Meshes -- Simultaneous Interpolation and Norm-Preservation -- Lebesgue Constants and Best Conditions for the Norm-Convergence of Fourier Series -- Stochastic Properties of Simple Differential โ{128}{148} Delay Equations -- Bivariate Natural Spline Smoothing -- Best Approximation by Spline Functions: Theory and Numerical Methods -- Reconstruction and Approximation of Functions from Samples -- Time Delay and Doppler Frequency Shift in Radar/Sonar Detection, with Application to Fourier Optics -- Uniqueness of Best L1-Approximations of Continous Functions -- Comparison Theorems in Spline Approximation -- The Differential Correction Algorithm -- Ein mathematisches Modell fรผr den Reifungsprozess roter Blutkรถrperchen bei Neugeborenen -- On the P-Stability of One-Step Collocation for Delay Differential Equations -- Some Open Problems

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