Operators and Matrices · Volume 13, Issue 1

On the essential spectra of unbounded operator matrices with non diagonal domain and an application

13-16 Pages 231-251 DOI 10.7153/oam-2019-13-16

Downloads

Short PDF Full PDF PNG

Authors

Marwa Belghith Nedra Moalla Ines Walha

Keywords

operator matrices perturbation theory for Fredholm operators essential spectra transport operator perfect periodic boundary conditions

Subject classes

47A10 47A53 34K08