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Analytic perturbation of semi-fredholm operators

✍ Scribed by R. Mennicken; B. Sagraloff


Publisher
Springer
Year
1980
Tongue
English
Weight
604 KB
Volume
254
Category
Article
ISSN
0025-5831

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Fredholm, Semi-Fredholm Perturbations, a
✍ Khalid Latrach; Abdelkader Dehici πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 181 KB

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