Idempotent-connected abundant semigroups A El-Qallali, JB Fountain Proceedings of the Royal Society of Edinburgh Section A: Mathematics 91 (1-2 …, 1981 | 166 | 1981 |
Quasi-adequate semigroups A El-Qallali, JB Fountain Proceedings of the Royal Society of Edinburgh Section A: Mathematics 91 (1-2 …, 1981 | 125 | 1981 |
Abundant semigroups with a multiplicative type A transversal A El-Qallali Semigroup Forum 47 (1), 327-340, 1993 | 85 | 1993 |
Structure theory for abundant and related semigroups. A El-Qallali University of York, 1980 | 72 | 1980 |
On the construction of a class of abundant semigroups A El-Qallali Acta Math Hung 56 (1990), 77-91, 1990 | 38 | 1990 |
Fundamental representations for classes of semigroups containing a band of idempotents A El- Qallali, J Fountain, V Gould Communications in Algebra 36 (8), 2998-3031, 2008 | 22 | 2008 |
Quasi-adequate semigroups II A El-Qallali Semigroup Forum 44 (1), 273-282, 1992 | 20 | 1992 |
L∗-unipotent semigroups A El-Qallali Journal of Pure and Applied Algebra 62 (1), 19-33, 1989 | 18 | 1989 |
Congruences on ample semigroups A El-Qallali Semigroup Forum 99 (3), 607-631, 2019 | 17 | 2019 |
Proper Covers for Left Ample Semigroups A El-Qallali, J Fountain Semigroup Forum 71 (3), 411 - 427, 2005 | 17 | 2005 |
Split quasi-adequate semigroups A El-Qallali Libyan J. Sci 14, 55-66, 1985 | 12 | 1985 |
Factorisable right adequate semigroups A El-Qallali Proceedings of the Edinburgh Mathematical Society 24 (3), 171-178, 1981 | 10 | 1981 |
A network of congruences on an ample semigroup A El-Qallali Semigroup Forum 102, 612-654, 2021 | 8 | 2021 |
Left regular bands of groups of left quotients A El-Qallali Glasgow Mathematical Journal 33 (1), 29-40, 1991 | 7 | 1991 |
Abundant semigroups with medial idempotents A El-Qallali Categories and General Algebraic Structures with Applications 15 (1), 1-34, 2021 | 3 | 2021 |
Quasi-adequate semigroups with medial idempotents A El-Qallali Journal of Algebra and Its Applications 23 (04), 2450070, 2024 | | 2024 |
Ordered abundant semigroups with adequate transversals A El-Qallali Communications in Algebra 50 (1), 33-53, 2022 | | 2022 |
SEMILATTICES OF MONOIDS A EL-QALLALI | | 2021 |