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 | 55 | 2020 |

On (m, C)(m, C)-Isometric Commuting Tuples of Operators on a Hilbert Space SAO Ahmed Mahmoud, M Chō, JE Lee Results in Mathematics 73, 1-31, 2018 | 28 | 2018 |

(A, m)–symmetric commuting tuples of operators on a Hilbert space M Chō, SA Mahmoud Mathematical Inequalities and Applications 22 (3), 931-947, 2019 | 26 | 2019 |

Some results on higher orders quasi-isometries SAOA Mahmoud, A Saddi, K Gherairi Hacettepe Journal of Mathematics and Statistics 49 (4), 1315-1333, 2020 | 25 | 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 |

On n-quasi-(m, C)-isometric operators SAOA Mahmoud, M Chō, JE Lee Linear and Multilinear Algebra 68 (5), 1001-1020, 2020 | 18 | 2020 |

Time asymptotic behaviour for a one-velocity transport operator with Maxwell boundary condition A Jeribi, SA Ould Ahmed Mahmoud, R Sfaxi Acta Applicandae Mathematicae 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 |

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 | 14 | 2019 |

-*A*-Normal operators in semi-Hilbertian spacesA Benali, SA Ould Ahmed Mahmoud Afrika Matematika 30, 903-920, 2019 | 13 | 2019 |

Generalization of m-partial isometries on a Hilbert space OAMS Ahmed International Journal of Pure and Applied Mathematics 104 (4), 599-619, 2015 | 12 | 2015 |

-quasi-*m*-isometric commuting tuple of operators on a Hilbert spaceM Chō, EMO Beiba, SAOA Mahmoud Annals of Functional Analysis 12, 1-18, 2021 | 10 | 2021 |

Joint *A*-hyponormality of operators in semi-Hilbert spacesM Guesba, EM Ould Beiba, SAO Ahmed Mahmoud Linear and Multilinear Algebra 69 (15), 2888-2907, 2021 | 9 | 2021 |

On Some Normality‐Like Properties and Bishop′s Property (*β*) for a Class of Operators on Hilbert SpacesSA Ould Ahmed Mahmoud International Journal of Mathematics and Mathematical Sciences 2012 (1), 975745, 2012 | 9 | 2012 |

Classes of Operators related to m-isometric operatros S Mechri, O Ahmed Operators and Matrices 14 (1), 2020 | 8 | 2020 |

n-Quasi-(A, m)-isometric operatros on A Hilbert space OB El Moctar, M Guesba, OAMS Ahmed Bulletin of Mathematical Analysis and Applications 12 (5), 8-26, 2020 | 8 | 2020 |

Joint *m*-quasihyponormal operators on a Hilbert spaceSAOA Mahmoud, HO Alshammari Annals of Functional Analysis 12 (3), 42, 2021 | 7 | 2021 |

ON m–QUASI–TOTALLY–(α, β)–NORMAL OPERATORS R Pradeep Operators and Matrices 15 (3), 1-2, 2021 | 7 | 2021 |

On the class of -quasi--power normal operators N Ahmad, SAOA Mahmoud Hacettepe Journal of Mathematics and Statistics 50 (2), 326-341, 2020 | 6 | 2020 |

Class of operators related to a -isometric tuple of commuting operators AA Al Dohiman, SA Ould Ahmed Mahmoud Journal of Inequalities and Applications 2022 (1), 105, 2022 | 5 | 2022 |