Damak, MondherJeribi, Aref2021-08-022021-08-022007-01-08Damak, M., & Jeribi, A. (2007). On the essential spectra of matrix operators and applications. <i>Electronic Journal of Differential Equations, 2007</i>(11), pp. 1-16.1072-6691https://hdl.handle.net/10877/14161In this paper, we investigate the essential spectra of some matrix operators on Banach spaces. The results obtained are used for describing the essential spectra of differential operators.Text16 pages1 file (.pdf)enAttribution 4.0 Internationalmatrix operatorsessential spectraFredholm perturbationArticle