essential spectra

Articles containing keyword "essential spectra":

OaM-07-52 » Essential spectra of quasi-parabolic composition operators on Hardy spaces of the Poly-disc (12/2013)
OaM-08-11 » Essential spectra of some matrix operators by means of measures of weak noncompactness (03/2014)
OaM-13-16 » On the essential spectra of unbounded operator matrices with non diagonal domain and an application (03/2019)
OaM-16-12 » 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 (03/2022)

Articles containing keyword "essential spectrum":

OaM-01-03 » Location of the spectrum of operator matrices which are associated to second order equations (03/2007)
OaM-06-37 » Elementary models of unbounded Jacobi matrices with a few bounded gaps in the essential spectrum (09/2012)
OaM-10-29 » Variational principles for self-adjoint operator functions arising from second-order systems (09/2016)
OaM-14-54 » 𝒞-symmetric second order differential operators (12/2020)
OaM-17-43 » Spectral representation of absolutely minimum attaining unbounded normal operators (09/2023)
DEA-15-16 » 𝒞-symmetric second order differential operators with large leading coefficient (11/2023)

Articles containing keyword "essential spectrums":

OaM-17-70 » The essential spectrum equalities of 2×2 unbounded upper triangular operator matrices (12/2023)