Hostname: page-component-78c5997874-j824f Total loading time: 0 Render date: 2024-11-15T02:15:50.968Z Has data issue: false hasContentIssue false

On Covering the Unit Ball in Normed Spaces

Published online by Cambridge University Press:  20 November 2018

J. Connett*
Affiliation:
Northern Illinois University, DeKalb, Illinois
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

By compactness, the unit ball Bn in Rn has a finite covering by translates of rBn, for any r > 0. The main theorem of this note shows that a weaker covering property does not hold in any infinite-dimensional normed space.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1971

References

1. Kantorovich, L. V. and Akilov, G. P., Functional analysis in normed spaces, Macmillan, New York, 1964.Google Scholar