Citation Rankings
Highly Cited Researchers

Natural Sciences / Mathematical Sciences Highly Cited Researchers 51 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Tunisia
Aref Jeribi
Operator theory Multivalued operator Fixed point theory
Riesz basis
Gribov operator in Bargmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,583
1,592
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Tunisia
Mohamed Ali Hammami
Control Theory
Differential Equations
Dynamical Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,407
1,759
0.731
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Tunisia
Abdellatif Ben Makhlouf
Differential equations
fractional calculus
control theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,477
1,323
0.896
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Tunisia
Mohamed Ali Toumi
Mathematics
Lattice theory
functional analysis
Operator theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,456
704
0.484
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Tunisia
Afif Masmoudi
probability and statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,045
633
0.606
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Tunisia
Hichem Chtioui
PDE - Differential Geometry - Nonlinear Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
269
0.348
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Tunisia
Maher Mnif
Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
753
293
0.389
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Tunisia
Ihsen Yengui
Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
719
238
0.331
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Tunisia
Bilel Krichen
Operator Theory
Fixed Point Theory
Dynamics of Linear Operators
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
542
366
0.675

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Tunisia
Ali Baklouti
Harmonic analysis on homogeneous spaces
Representation theory of solvable Lie groups
Fourier analysis and uncertainty principles
Deformation of discontinuous groups and related problems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
511
130
0.254
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Tunisia
Habib Maagli
Partial Differential equations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
505
135
0.267
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Tunisia
Néji Bettaibi
Harmonic Analysis
Special Functions and Quantum Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
172
0.396
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Tunisia
Jamel Benameur
P.D.E.
Functional Analysis
Fourier Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
432
257
0.595
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Tunisia
Nouri Chtourou
Analyse institutionnelle du développement économique et social
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
355
268
0.755
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Tunisia
Soufiane Gasmi
Probabilités et Statistique
Fiabilité mathématique
Data analysis
Medical statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
160
0.456
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Tunisia
Bassem Ben Hamed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
181
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Tunisia
Mohamed Mounir Nessibi
Analyse de Fourier
hypergroupes.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
43
0.165
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Tunisia
Faiçal Abdmouleh
Mathematics: operator theory
Functional analysis.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
205
81
0.395
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Tunisia
Sami Ghazouani
Harmonic analysis
Mathematical physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
170
0.939
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Tunisia
Raouf Fakhfakh
Probability and Statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
161
154
0.957
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Tunisia
Tarek Saanouni
partial differential equations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
50
0.336
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Tunisia
Kais Ben-Ahmed
Applied Statistics Spatial Analysis Statistics in Epidemiology Advanced Statistical Modeling GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145
94
0.648
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Tunisia
Lassoued Abir
chaos theory
synchronization
fractional calculus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
66
0.475
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Tunisia
Neila Ben Romdhane
Fonctions Spéciales
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
51
0.375
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Tunisia
Rhouma Mlayeh
Théorie du contrôle
stabilité en temps fini
consensus multi-systèmes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
75
0.556
* Total Citation Counts Rankings
Rankings
283,120
Tunisia
87
27
Ranking Based On Selection: 1
Aref Jeribi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,583
1,592
0.444
Operator theory Multivalued operator Fixed point theory
Riesz basis
Gribov operator in Bargmann
* Total Citation Counts Rankings
Rankings
391,210
Tunisia
147
42
Ranking Based On Selection: 2
Mohamed Ali Hammami
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,407
1,759
0.731
Control Theory
Differential Equations
Dynamical Systems
* Total Citation Counts Rankings
Rankings
548,767
Tunisia
270
94
Ranking Based On Selection: 3
Abdellatif Ben Makhlouf
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,477
1,323
0.896
Differential equations
fractional calculus
control theory
* Total Citation Counts Rankings
Rankings
553,763
Tunisia
275
96
Ranking Based On Selection: 4
Mohamed Ali Toumi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,456
704
0.484
Mathematics
Lattice theory
functional analysis
Operator theory
* Total Citation Counts Rankings
Rankings
671,133
Tunisia
377
147
Ranking Based On Selection: 5
Afif Masmoudi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,045
633
0.606
* Total Citation Counts Rankings
Rankings
779,042
Tunisia
481
201
Ranking Based On Selection: 6
Hichem Chtioui
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
772
269
0.348
PDE - Differential Geometry - Nonlinear Analysis
* Total Citation Counts Rankings
Rankings
787,590
Tunisia
494
208
Ranking Based On Selection: 7
Maher Mnif
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
753
293
0.389
* Total Citation Counts Rankings
Rankings
803,471
Tunisia
513
219
Ranking Based On Selection: 8
Ihsen Yengui
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
719
238
0.331
* Total Citation Counts Rankings
Rankings
897,868
Tunisia
599
268
Ranking Based On Selection: 9
Bilel Krichen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
542
366
0.675
Operator Theory
Fixed Point Theory
Dynamics of Linear Operators
* Total Citation Counts Rankings
Rankings
921,216
Tunisia
621
280
Ranking Based On Selection: 10
Ali Baklouti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
511
130
0.254
Harmonic analysis on homogeneous spaces
Representation theory of solvable Lie groups
Fourier analysis and uncertainty principles
Deformation of discontinuous groups and related problems

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
926,027
Tunisia
625
281
Ranking Based On Selection: 11
Habib Maagli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
505
135
0.267
* Total Citation Counts Rankings
Rankings
988,112
Tunisia
678
311
Ranking Based On Selection: 12
Néji Bettaibi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
172
0.396
Harmonic Analysis
Special Functions and Quantum Theory
* Total Citation Counts Rankings
Rankings
989,767
Tunisia
679
312
Ranking Based On Selection: 13
Jamel Benameur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
432
257
0.595
* Total Citation Counts Rankings
Rankings
1,068,983
Tunisia
747
361
Ranking Based On Selection: 14
Nouri Chtourou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
355
268
0.755
Analyse institutionnelle du développement économique et social
* Total Citation Counts Rankings
Rankings
1,073,904
Tunisia
753
365
Ranking Based On Selection: 15
Soufiane Gasmi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
160
0.456
Probabilités et Statistique
Fiabilité mathématique
Data analysis
Medical statistics
* Total Citation Counts Rankings
Rankings
1,161,859
Tunisia
815
409
Ranking Based On Selection: 16
Bassem Ben Hamed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
284
181
0.637
* Total Citation Counts Rankings
Rankings
1,198,521
Tunisia
845
426
Ranking Based On Selection: 17
Mohamed Mounir Nessibi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
43
0.165
* Total Citation Counts Rankings
Rankings
1,302,039
Tunisia
937
485
Ranking Based On Selection: 18
Faiçal Abdmouleh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
205
81
0.395
Mathematics: operator theory
Functional analysis.
* Total Citation Counts Rankings
Rankings
1,356,419
Tunisia
980
509
Ranking Based On Selection: 19
Sami Ghazouani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
170
0.939
* Total Citation Counts Rankings
Rankings
1,409,302
Tunisia
1,018
535
Ranking Based On Selection: 20
Raouf Fakhfakh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
161
154
0.957
* Total Citation Counts Rankings
Rankings
1,445,810
Tunisia
1,039
545
Ranking Based On Selection: 21
Tarek Saanouni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
149
50
0.336
* Total Citation Counts Rankings
Rankings
1,457,542
Tunisia
1,046
551
Ranking Based On Selection: 22
Kais Ben-Ahmed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
145
94
0.648
Applied Statistics Spatial Analysis Statistics in Epidemiology Advanced Statistical Modeling GIS
* Total Citation Counts Rankings
Rankings
1,477,010
Tunisia
1,055
558
Ranking Based On Selection: 23
Lassoued Abir
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139
66
0.475
chaos theory
synchronization
fractional calculus
* Total Citation Counts Rankings
Rankings
1,487,080
Tunisia
1,064
564
Ranking Based On Selection: 24
Neila Ben Romdhane
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136
51
0.375
* Total Citation Counts Rankings
Rankings
1,490,034
Tunisia
1,068
567
Ranking Based On Selection: 25
Rhouma Mlayeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
135
75
0.556
Théorie du contrôle
stabilité en temps fini
consensus multi-systèmes
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