Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball

We propose a new concept of set convergence in a Hadamard space and obtain its equivalent condition by using the notion of metric projections. Applying this result, we also prove a convergence theorem for an iterative scheme by the shrinking projection method in a real Hilbert ball.

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Bibliographic Details
Main Author: Yasunori Kimura
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2010/582475
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author Yasunori Kimura
author_facet Yasunori Kimura
author_sort Yasunori Kimura
collection DOAJ
description We propose a new concept of set convergence in a Hadamard space and obtain its equivalent condition by using the notion of metric projections. Applying this result, we also prove a convergence theorem for an iterative scheme by the shrinking projection method in a real Hilbert ball.
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publishDate 2010-01-01
publisher Wiley
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series Abstract and Applied Analysis
spelling doaj-art-f16a08ccb9ae4e49ad53dfd1d104d7a42025-08-20T02:21:52ZengWileyAbstract and Applied Analysis1085-33751687-04092010-01-01201010.1155/2010/582475582475Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert BallYasunori Kimura0Department of Mathematical and Computing Sciences, Tokyo Institute of Technology, Tokyo 152-8552, JapanWe propose a new concept of set convergence in a Hadamard space and obtain its equivalent condition by using the notion of metric projections. Applying this result, we also prove a convergence theorem for an iterative scheme by the shrinking projection method in a real Hilbert ball.http://dx.doi.org/10.1155/2010/582475
spellingShingle Yasunori Kimura
Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
Abstract and Applied Analysis
title Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
title_full Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
title_fullStr Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
title_full_unstemmed Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
title_short Convergence of a Sequence of Sets in a Hadamard Space and the Shrinking Projection Method for a Real Hilbert Ball
title_sort convergence of a sequence of sets in a hadamard space and the shrinking projection method for a real hilbert ball
url http://dx.doi.org/10.1155/2010/582475
work_keys_str_mv AT yasunorikimura convergenceofasequenceofsetsinahadamardspaceandtheshrinkingprojectionmethodforarealhilbertball