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Remarks on the spectrum of a compact convex set of compact operators
-
Ky Anh Pham
and
Xuan Thao Nguyen
Published/Copyright:
July 30, 2010
Abstract
In this note we derive a necessary and sufficient condition for a compact convex set of linear compact operators acting in a complex Hilbert space to have the spectrum outside a prescribed closed convex subset of the complex plane.
Received: 2008-04-21
Revised: 2009-08-05
Published Online: 2010-07-30
Published in Print: 2010-December
© de Gruyter 2010
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