E-LIB Suche - Ergebnisse für: Messaoud Guesba

1

Estimates for the Berezin number inequalities:

Guesba, Messaoud ; Garayev, Mubariz
Journal of Pseudo-Differential Operators and Applications. 15 (2024) 2 - p. , 2024

Link: https://doi.org/10.1007/..

2

Daugavet's equation and Jordan elementary operators:

Taki, Zakaria ; Kaadoud, Mohamed Chraibi ; Guesba, Messaoud
Advances in Operator Theory. 9 (2024) 3 - p. , 2024

Link: https://doi.org/10.1007/..

3

On the numerical radius parallelism of operators for a sesq..:

Guesba, Messaoud
Journal of Interdisciplinary Mathematics. 27 (2024) 1 - p. 77-85 , 2024

Link: https://doi.org/10.47974..

4

Refinements of some inequalities involving Berezin norms an..:

Garayev, Mubariz ; Guesba, Messaoud
ANNALI DELL'UNIVERSITA' DI FERRARA. 70 (2023) 2 - p. 381-403 , 2023

Link: https://doi.org/10.1007/..

5

Some Euclidean Berezin number inequalities of a pair of ope..:

Guesba, Messaoud
Filomat. 37 (2023) 26 - p. 8777-8790 , 2023

Link: https://doi.org/10.2298/..

6

On a class of Drazin invertible operators for which $$\left..:

Guesba, Messaoud ; Mahmoud, Sid Ahmed Ould Ahmed
The Journal of Analysis. 32 (2023) 2 - p. 1093-1109 , 2023

Link: https://doi.org/10.1007/..

7

Refinements of some Berezin number inequalities and related..:

Yamancı, Ulaş ; Guesba, Messaoud
The Journal of Analysis. 31 (2022) 1 - p. 539-549 , 2022

Link: https://doi.org/10.1007/..

8

A note on the maximal numerical range of operators for a se..:

Guesba, Messaoud ; Kaadoud, Mohamed Chrabi ; Baghdad, Abderrahim
Journal of Interdisciplinary Mathematics. 25 (2022) 4 - p. 1117-1126 , 2022

Link: https://doi.org/10.1080/..

9

Some generalizations of A-numerical radius inequalities for..:

Guesba, Messaoud
Bollettino dell'Unione Matematica Italiana. 14 (2021) 4 - p. 681-692 , 2021

Link: https://doi.org/10.1007/..

10

On some numerical radius inequalities for normal operators ..:

Guesba, Messaoud
Journal of Interdisciplinary Mathematics. 25 (2021) 2 - p. 463-470 , 2021

Link: https://doi.org/10.1080/..

11

Paranormal operators in semi-Hilbertian spaces:

Guesba, Messaoud ; Mahmoud, Sid Ahmed Ould Ahmed
Afrika Matematika. 31 (2020) 7-8 - p. 1409-1428 , 2020

Link: https://doi.org/10.1007/..

12

Joint A-hyponormality of operators in semi-Hilbert spaces:

Guesba, Messaoud ; Ould Beiba, El Moctar ; Ahmed Mahmoud, Sid Ahmed Ould
Linear and Multilinear Algebra. 69 (2019) 15 - p. 2888-2907 , 2019

Link: https://doi.org/10.1080/..

13

Some results on C-normal operators:

Ismail Lakehal ; Messaoud Guesba
https://www.utgjiu.ro/math/sma/v18/p18_02.pdf. , 2023

Link: https://doaj.org/article..

14

FURTHER BEREZIN NUMBER INEQUALITIES OF OPERATOR MATRICES:

Guesba, Messaoud ; Yamanci, Ulas
http://casopisi.junis.ni.ac.rs/index.php/FUMathInf/article/view/11198/pdf. , 2023

Link: http://casopisi.junis.ni..