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Ill-Posed Problems: Theory and Applications

  • Book
  • © 1994

Overview

Authors:
  1. A. Bakushinsky

    1. Russian Academy of Sciences, Institute for System Studies, Moscow, Russia

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    You can also search for this author in PubMed   Google Scholar

  2. A. Goncharsky

    1. Department of Computational Mathematics and Cybernetics, Moscow State University, Moscow, Russia

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    You can also search for this author in PubMed   Google Scholar

Part of the book series: Mathematics and Its Applications (MAIA, volume 301)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-x
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  2. General problems of regularizability

    • A. Bakushinsky, A. Goncharsky
    Pages 4-22

  3. Regularizing algorithms on compacta

    • A. Bakushinsky, A. Goncharsky
    Pages 23-42

  4. Tikhonov’s scheme for constructing regularizing algorithms

    • A. Bakushinsky, A. Goncharsky
    Pages 43-72

  5. General technique for constructing linear RA for linear problems in Hilbert space

    • A. Bakushinsky, A. Goncharsky
    Pages 73-126

  6. Iterative algorithms for solving non-linear ill-posed problems with monotonic operators. Principle of iterative regularization

    • A. Bakushinsky, A. Goncharsky
    Pages 127-163

  7. Applications of the principle of iterative regularization

    • A. Bakushinsky, A. Goncharsky
    Pages 164-184

  8. Iterative methods for solving non-linear ill-posed operator equations with non-monotonic operators

    • A. Bakushinsky, A. Goncharsky
    Pages 185-198

  9. Application of regularizing algorithms to solving practical problems

    • A. Bakushinsky, A. Goncharsky
    Pages 199-241

  10. Back Matter

    Pages 242-258
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Keywords

About this book

Recent years have been characterized by the increasing amountofpublications in the field ofso-called ill-posed problems. This is easilyunderstandable because we observe the rapid progress of a relatively young branch ofmathematics, ofwhich the first results date back to about 30 years ago. By now, impressive results have been achieved both in the theory ofsolving ill-posed problems and in the applicationsofalgorithms using modem computers. To mention just one field, one can name the computer tomography which could not possibly have been developed without modem tools for solving ill-posed problems. When writing this book, the authors tried to define the place and role of ill­ posed problems in modem mathematics. In a few words, we define the theory of ill-posed problems as the theory of approximating functions with approximately given arguments in functional spaces. The difference between well-posed and ill­ posed problems is concerned with the fact that the latter are associated with discontinuous functions. This approach is followed by the authors throughout the whole book. We hope that the theoretical results will be of interest to researchers working in approximation theory and functional analysis. As for particular algorithms for solving ill-posed problems, the authors paid general attention to the principles ofconstructing such algorithms as the methods for approximating discontinuous functions with approximately specified arguments. In this way it proved possible to define the limits of applicability of regularization techniques.

Authors and Affiliations

  • Russian Academy of Sciences, Institute for System Studies, Moscow, Russia

    A. Bakushinsky

  • Department of Computational Mathematics and Cybernetics, Moscow State University, Moscow, Russia

    A. Goncharsky

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