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Comptes Rendus Mathématique
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Comptes Rendus Mathematique
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A generalization of the Friedrichs angle and the method of alternating projections

descriptionPublicationkeyboard_double_arrow_right Article 23 Dec 2009 France, Czech Republic Publisher:Cellule MathDoc/Centre MersenneJournal:Comptes Rendus. Mathématique, volume 348, pages 53-56 (eissn: 1778-3569, Copyright policy )
Authors: Badea, Catalin; Grivaux, Sophie; Müller, Vladimir;

doi: 10.1016/j.crma.2009.11.018

handle: 11104/0207597

A generalization of the Friedrichs angle and the method of alternating projections

Abstract

Abstract We present a generalization to an arbitrary number of subspaces of the cosine of the Friedrichs angle between two subspaces of a Hilbert space. This parameter is used to analyze the rate of convergence in the von Neumann–Halperin method of alternating projections.

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France, Czech Republic
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Keywords

Hilbert space, [MATH] Mathematics [math], Neumann-Halperin method

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
13
Top 10%
Top 10%
Average
gold