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Porosity and the bounded linear regularity property

  • Simeon Reich EMAIL logo und Alexander J. Zaslavski
Veröffentlicht/Copyright: 26. April 2014

Abstract.

H. H. Bauschke and J. M. Borwein showed that in the space of all tuples of bounded, closed, and convex subsets of a Hilbert space with a nonempty intersection, a typical tuple has the bounded linear regularity property. This property is important because it leads to the convergence of infinite products of the corresponding nearest point projections to a point in the intersection. In the present paper we show that the subset of all tuples possessing the bounded linear regularity property has a porous complement. Moreover, our result is established in all normed spaces and for tuples of closed and convex sets, which are not necessarily bounded.

MSC: 46C05; 47H09

Funding source: Israel Science Foundation

Award Identifier / Grant number: 389/12

Funding source: Fund for the Promotion of Research at the Technion

Funding source: Technion General Research Fund

The authors thank the referees for many helpful comments and suggestions.

Received: 2013-5-3
Revised: 2013-9-17
Accepted: 2013-9-24
Published Online: 2014-4-26
Published in Print: 2014-6-1

© 2014 by Walter de Gruyter Berlin/Boston

Heruntergeladen am 21.11.2025 von https://www.degruyterbrill.com/document/doi/10.1515/jaa-2014-0001/html
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