Mohamed Boumazgour

Available identifiers

Publication	Date of Publication	Type
Norm Equalities for Derivations	2024-02-19	Paper
Some perturbation results for ascent and descent via measure of non-compactness	2022-02-15	Paper
On the essential spectrum of the diagonal of an operator	2021-03-18	Paper
On the spectra of products and linear combinations of idempotents	2020-12-17	Paper
Generalized Drazin inverse of restrictions of bounded linear operators	2018-05-28	Paper
A note concerning the numerical range of a basic elementary operator	2016-09-01	Paper
On the \(S\)-universal elementary operators	2016-08-31	Paper
A note on the norm of a basic elementary operator	2016-02-03	Paper
Numerical range submultiplicity	2015-12-11	Paper
Drazin invertibility of upper triangular operator matrices	2013-06-24	Paper
On the perturbations of spectra of upper triangular operator matrices	2008-08-14	Paper
Norm inequalities for sums of two basic elementary operators	2008-04-15	Paper
An estimate for the norm of a derivation on a norm ideal	2006-07-13	Paper
https://portal.mardi4nfdi.de/entity/Q2766069	2004-01-28	Paper
Norm equality for a basic elementary operator.	2003-11-16	Paper
A note on the spectrum of an upper triangular operator matrix	2003-07-28	Paper
https://portal.mardi4nfdi.de/entity/Q2766078	2003-04-01	Paper
Spectra of the difference, sum and product of idempotents	2002-02-21	Paper
Inner derivations and norm equality	2001-12-10	Paper

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