Joint numerical ranges of operators in semi-Hilbertian spaces HBKFOAMS Ahmed
Linear Algebra and its Applications 555 (555), 266-2684, 2018
100 * 2018 Am-Isometric operators in semi-Hilbertian spaces OAMS Ahmed, A Saddi
Linear Algebra and its applications 436 (10), 3930-3942, 2012
62 2012 Joint normality of operators in semi-Hilbertian spaces H Baklouti, K Feki, SA Ould Ahmed Mahmoud
Linear and Multilinear Algebra 68 (4), 845-866, 2020
51 2020 On the class of n-power quasi-normal operators on Hilbert space OAMS Ahmed, MS Ahmed
Bull. Math. Anal. Appl 3 (2), 213-228, 2011
38 2011 m-isometric operators on Banach spaces, Asian-European J OAMS Ahmed
Math 3 (1), 1-19, 2010
38 2010 Some properties of m-isometries and m-invertible operators on Banach spaces OAMS Ahmed
Acta Mathematica Scientia 32 (2), 520-530, 2012
27 2012 Aliphatic and poly-aromatic hydrocarbons pollution at the drainage basin of Suez Oil Refinery Company OE Ahmed, SA Mahmoud, AEM Mousa
Current Science International 4 (1), 27-44, 2015
24 2015 On (m, C)-Isometric Commuting Tuples of Operators on a Hilbert Space MCJELEE Sid Ahmed Ould Ahmed Mahmoud
Results in Mathematics 73 (51), 2018
22 * 2018 Davis–Wielandt shells of semi-Hilbertian space operators and its applications K Feki, SAO Ahmed Mahmoud
Banach Journal of Mathematical Analysis 14, 1281-1304, 2020
21 2020 (A, m)–symmetric commuting tuples of operators on a Hilbert space M Chō, SA Mahmoud
Mathematical Inequalities and Applications 22 (3), 931-947, 2019
21 2019 m-partial isometries on Hilbert spaces A Saddi, OAMS Ahmed
International Journal of Functional Analysis 2 (1), 67-83, 2010
20 2010 On n-quasi-(m, C)-isometric operators SAOA Mahmoud, M Chō, JE Lee
Linear 29, 1001-1020, 2018
18 2018 Time Asymptotic Behaviour for a One-Velocity Transport Operator with Maxwell Boundary Condition RS Aref Jeribi , Sid Ahmed Ould Ahmed Mahmoud
Acta Appl Math 98, 163-179, 2007
18 2007 Hyponormal and k-quasi-hyponormal operators on semi-Hilbertian spaces SA Mahmoud, A Benali
Australian Journal of Mathematical Analysis and Applications 13 (1), 1-22, 2016
17 2016 GENERALIZATION OF m-PARTIAL ISOMETRIES ON A HILBERT SPACE OAMS Ahmed
International Journal of Pure and Applied Mathematics 104 (No4), 599-619, 2015
14 2015 ON A(m; p)- EXPANSIVE AND A(m; p)-HYPEREXPANSIVE OPERATORS ON BANACH SPACES -II OAMS ahmed
J. Math. Comput. Sci. 5 (2), 123-148, 2015
14 * 2015 Some results on higher orders quasi-isometries SAOA Mahmoud, A Saddi, K Gherairi
Hacettepe Journal of Mathematics and Statistics 49 (4), 1315-1333, 2020
13 2020 Some results on higher orders quasi-isometries, Hacet O Ahmed, A Saddi, K Gherairi
J. Math. Stat 49 (4), 1315-1333, 2020
12 2020 On the classes of (n, m)-power D-normal and (n, m)-power D-quasi-normal operators S Mahmoud, OBS Ahmed
Oper. Matrices, 705-732, 2019
12 2019 -A -Normal operators in semi-Hilbertian spacesA Benali, SA Ould Ahmed Mahmoud
Afrika Matematika 30, 903-920, 2019
11 2019