| Joint numerical ranges of operators in semi-Hilbertian spaces H Baklouti, K Feki, OAMS Ahmed Linear algebra and its applications 555, 266-284, 2018 | 100 | 2018 |
| Spectral radius of semi-Hilbertian space operators and its applications K Feki Annals of Functional Analysis 11, 929-946, 2020 | 80 | 2020 |
| 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 |
| -Numerical radius orthogonality and parallelism of semi-Hilbertian space operators and their applications P Bhunia, K Feki, K Paul Bulletin of the Iranian Mathematical Society, 2020 | 46 | 2020 |
| A note on the A-numerical radius of operators in semi-Hilbert spaces K Feki Archiv der Mathematik, 2020 | 43 | 2020 |
| Some A-spectral radius inequalities for A-bounded Hilbert space operators K Feki Banach Journal of Mathematical Analysis 16 (2), 31, 2022 | 28 | 2022 |
| On joint spectral radius of commuting operators in Hilbert spaces H Baklouti, K Feki Linear Algebra and its Applications 557, 455-463, 2018 | 25 | 2018 |
| On tuples of commuting operators in positive semidefinite inner product spaces K Feki Linear algebra and its applications 603, 313-328, 2020 | 23 | 2020 |
| 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 |
| Some -numerical radius inequalities for operator matrices K Feki Rendiconti del Circolo Matematico di Palermo Series 2 71 (1), 85-103, 2022 | 19* | 2022 |
| Generalized numerical radius inequalities of operators in Hilbert spaces K Feki Adv. Oper. Theory 6 (6), 2021 | 14 | 2021 |
| On some generalizations of Cauchy–Schwarz inequalities and their applications N Altwaijry, K Feki, N Minculete Symmetry 15 (2), 304, 2023 | 12 | 2023 |
| On some inequalities for the generalized joint numerical radius of semi-Hilbert space operators C Conde, K Feki Ricerche di Matematica 73 (2), 661-679, 2024 | 11 | 2024 |
| Further inequalities for the weighted numerical radius of operators N Altwaijry, K Feki, N Minculete Mathematics 10 (19), 3576, 2022 | 9 | 2022 |
| Some new refinements of generalized numerical radius inequalities for Hilbert space operators K Feki, F Kittaneh Mediterranean Journal of Mathematics 19 (1), 17, 2022 | 9 | 2022 |
| Further inequalities for the 𝔸-numerical radius of certain 2× 2 operator matrices K Feki, S Sahoo Georgian Mathematical Journal 30 (2), 213-226, 2023 | 8 | 2023 |
| Generalized A-Numerical Radius of Operators and Related Inequalities P Bhunia, K Feki, K Paul Bulletin of the Iranian Mathematical Society 48 (6), 3883-3907, 2022 | 8 | 2022 |
| Berezin Number and Norm Inequalities for Operators in Hilbert and Semi-Hilbert Spaces C Conde, K Feki, F Kittaneh Matrix and Operator Equations and Applications, 525-558, 2023 | 5 | 2023 |
| A New Seminorm for d-Tuples of A-Bounded Operators and Their Applications N Altwaijry, K Feki, N Minculete Mathematics 11 (3), 685, 2023 | 5 | 2023 |
| Commuting tuples of normal operators in Hilbert spaces H Baklouti, K Feki Complex Analysis and Operator Theory 14 (6), 56, 2020 | 5 | 2020 |
Ould Ahmed Mahmoud Sid Ahmedcollege of sciences-Mathematics DepartmentVerified email at ju.edu.sa
