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Quantities characterizing semi-Fredholm operators and perturbation radii

✍ Scribed by Manuel González; Antonio Martinón


Book ID
113721882
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
144 KB
Volume
390
Category
Article
ISSN
0022-247X

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Fredholm, Semi-Fredholm Perturbations, a
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This paper is devoted to the investigation of the stability of the various essential spectra of closed densely defined linear operators under perturbations belonging to any two-sided ideal of the algebra of bounded linear operators contained in the set of Fredholm perturbations. Our results generali