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Approximate solutions of common fixed-point problems

Author: Alexander J Zaslavski
Publisher: Switzerland : Springer, 2016.
Series: Springer optimization and its applications, v. 112.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:
This book presents results on the convergence behavior of algorithms which are known as vital tools for solving convex feasibility problems and common fixed point problems. The main goal for us in dealing with a known computational error is to find what approximate solution can be obtained and how many iterates one needs to find it. According to know results, these algorithms should converge to a solution. In this  Read more...
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Genre/Form: Electronic books
Additional Physical Format: Print version:
(OCoLC)945745241
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Alexander J Zaslavski
ISBN: 9783319332550 3319332554
OCLC Number: 953419584
Description: 1 online resource (ix, 454 pages).
Contents: 1. Introduction --
2. Dynamic string-averaging methods in Hilbert spaces --
3. Iterative methods in metric spaces --
4. Dynamic string-averaging methods in normed spaces --
5. Dynamic string-maximum methods in metric spaces --
6. Spaces with generalized distances --
7. Abstract version of CARP algorithm --
8. Proximal point algorithm --
9. Dynamic string-averaging proximal point algorithm --
10. Convex feasibility problems --
11. Iterative subgradient projection algorithm --
12. Dynamic string-averaging subgradient projection algorithm.- References.- Index.
Series Title: Springer optimization and its applications, v. 112.
Responsibility: Alexander J. Zaslavski.

Abstract:

This book presents results on the convergence behavior of algorithms which are known as vital tools for solving convex feasibility problems and common fixed point problems. The main goal for us in dealing with a known computational error is to find what approximate solution can be obtained and how many iterates one needs to find it. According to know results, these algorithms should converge to a solution. In this exposition, these algorithms are studied, taking into account computational errors which remain consistent in practice. In this case the convergence to a solution does not take place. We show that our algorithms generate a good approximate solution if computational errors are bounded from above by a small positive constant. Beginning with an introduction, this monograph moves on to study: · dynamic string-averaging methods for common fixed point problems in a Hilbert space · dynamic string methods for common fixed point problems in a metric space · dynamic string-averaging version of the proximal algorithm · common fixed point problems in metric spaces · common fixed point problems in the spaces with distances of the Bregman type · a proximal algorithm for finding a common zero of a family of maximal monotone operators · subgradient projections algorithms for convex feasibility problems in Hilbert spaces.

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"The title says it all: this book is a compilation of studies of algorithms for computing approximate solutions to the problem of finding common fixed points of several operators in the presence of Read more...

 
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