Ammar, Aymen; Boukettaya, Bilel; Jeribi, Aref Relationship between the left-right Jeribi essential spectra and the left-right Weyl essential spectra of closed densely defined linear operators. (English) Zbl 1499.47006 Lib. Math. (N.S.) 39, No. 2, 13-26 (2019). Summary: In the present paper, we introduce and study the notion of the left-right Jeribi essential spectra, and we characterize the left-right Weyl essential spectra of closed densely de ned linear operators. Furthermore, we apply the obtained results to study the transport equation. MSC: 47A10 Spectrum, resolvent 47A53 (Semi-) Fredholm operators; index theories 47A55 Perturbation theory of linear operators Keywords:left essential spectrum; right essential spectrum; Jeribi essential spectrum PDFBibTeX XMLCite \textit{A. Ammar} et al., Lib. Math. (N.S.) 39, No. 2, 13--26 (2019; Zbl 1499.47006)