𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The radius of the essential spectrum

✍ Scribed by Nussbaum, Roger D.


Book ID
121658647
Publisher
Duke University Press
Year
1970
Tongue
English
Weight
776 KB
Volume
37
Category
Article
ISSN
0012-7094

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Let L(H) be the algebra of all bounded linear operators on an infinite dimensional complex Hilbert H. We characterize linear maps from L(H) onto itself that preserve the essential spectral radius.