Fourier Transforms and Approximations: 1st Edition (Hardback) book cover

Fourier Transforms and Approximations

1st Edition

By A M Sedletskii

CRC Press

272 pages

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Hardback: 9789056992347
pub: 2000-09-20
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Three classes of Fourier transforms are presented: Fourier (Laplace) transforms on the halfline, Fourier transforms of measures with compact support and Fourier transforms of rapidly decreasing functions (on whole line). The focus is on the behaviour of Fourier transforms in the region of analyticity and the distribution of their zeros. Applications of results are presented: approximation by exponentials on the finite interval; behavior of the nonharmonic Fourier series; Müntz-Szasz's problem of approximation by powers on unit interval; approximation by weighted exponentials on whole line.

Table of Contents

1. Auxiliary Informations from the Analysis 2. Distribution of Zeros of Finite Fourier Transforms 3. Estimates of Fourier and Laplace Transforms and Their Applications 4. Stability of Classes of Finite Fourier Transforms 5. Laplace Transforms in the Weighted Spaces Lp and Its Applications 6. Nonharmonic Fourier Series 7. Muntz-Szasz's Problem 8. Fourier Transforms of Rapidly Decreasing Functions 9. Approximate Properties of Systems of Exponents in the Lebesgue's Spaces on All Line

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Analytical Methods and Special Functions

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