Overview

Generalized functions are now widely recognized as important mathematical tools for engineers and physicists. But they are considered to be inaccessible for non-specialists. To remedy this situation, this book gives an intelligible exposition of generalized functions based on Sato's hyperfunction, which is essentially the `boundary value of analytic functions'. An intuitive image -- hyperfunction = vortex layer -- is adopted, and only an elementary knowledge of complex function theory is assumed. The treatment is entirely self-contained. The first part of the book gives a detailed account of fundamental operations such as the four arithmetical operations applicable to hyperfunctions, namely differentiation, integration, and convolution, as well as Fourier transform. Fourier series are seen to be nothing but periodic hyperfunctions. In the second part, based on the general theory, the Hilbert transform and Poisson-Schwarz integral formula are treated and their application to integral equations is studied. A great number of formulas obtained in the course of treatment are summarized as tables in the appendix. In particular, those concerning convolution, the Hilbert transform and Fourier transform contain much new material. For mathematicians, mathematical physicists and engineers whose work involves generalized functions.

Full Product Details

Author:   Isao Imai
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of the original 1st ed. 1992
Volume:   8
Dimensions:   Width: 16.00cm , Height: 2.40cm , Length: 24.00cm
Weight:   0.735kg
ISBN:  

9789401051255

ISBN 10:   9401051259
Pages:   438
Publication Date:   05 November 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

1 Introduction.- 2. Operations on Hyperfunctions.- 3. Basic Hyperfunctions.- 4. Hyperfunctions Depending On Parameters.- 5. Fourier Transformation.- 6. Fourier Transformation Of Power-Type Hyperfunctions.- 7. Upper (Lower)-Type Hyperfunctions.- 8. Fourier Transforms-Existence And Regularity.- 9. Fourier Transform-Asymptotic Behaviour.- 10. Periodic Hyperfunctions And Fourier Series Fourier Series.- 11. Analytic Continuation And Projection Of Hyperfunctions.- 12. Product Of Hyperfunctions.- 13. Convolution Of Hyperfunctions.- 14. Convolution Of Periodic Hyperfunctions.- 15. Hilbert Transforms And Conjugate Hyperfunctions.- 16. Poisson-Schwarz Integral Formulae.- 17. Integral Equations.- 18. Laplace Transforms.- Epilogue.- References.- Appendices.- Appendix A. Symbols.- Appendix B. Functions, hyperfunctions and generating functions.- Appendix C. Special functions.- Appendix D. Power-type hyperfunctions with negative integral power.- Appendix E. Upper-type and lower-type hyperfunctions.- Appendix F. Hyperfunctions and generating functions.- Appendix G. Convolutions.- Appendix H. Hilbert transforms.- Appendix I. Fourier transforms.- Appendix J. Laplace transforms.- Appendix K. Cosine transforms and sine transforms.

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