Operators and Matrices · Volume 16, Issue 1

On a characterization of Jeribi, Rakočević, Schechter, Schmoeger and Wolf essential spectra of a 3⨉3 block operator matrices with non diagonal domain and application

16-12 Pages 123-140 DOI 10.7153/oam-2022-16-12

Downloads

Short PDF Full PDF PNG

Authors

Nedra Moalla Wafa Selmi

Keywords

3⨉3 block operator matrices non diagonal domain Fredholm perturbations essential spectra three-group transport theory

Subject classes

47A10 47A53 34K08