2009 | OriginalPaper | Chapter
The Spectrum of a Compact Operator
Author : Rajendra Bhatia
Published in: Notes on Functional Analysis
Publisher: Hindustan Book Agency
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Most of the spectral properties of a compact operator in a Banach space were discovered by F. Riesz, and appeared in a paper in 1918 (several years before Banach’s book). These results were augmented and simplified by the work of Schauder. What follows is an exposition of these ideas.