Citation Rankings
Highly Cited Researchers
Natural Sciences / Mathematical Sciences Highly Cited Researchers 30 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Machine Learning Theory
Statistics
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,860
1,759
0.946
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Graph Theory
Commutative Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
939
618
0.658
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Mathematics
Rings and module theory
Topology
Rings of continuous function
Math education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,502
545
0.363
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Homological and Combinatorial Methods in Commutative Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,079
481
0.446
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
482
0.956
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Topology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
961
388
0.404
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Combinatorics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
592
307
0.519
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Grobner bases (computation and applications)
comprehensive Grobner bases (computation and
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
573
253
0.442
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Commutative Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
652
212
0.325
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Commutative Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
189
0.405
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Artificial Intelligence
Machine Learning
Computational Biology
Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
265
177
0.668
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
General Topology
Rings of continuous functions
Commutative rings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
323
172
0.533
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Computational Geometry
Approximation Algorithms
Scientific Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
165
0.620
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Number theory
Arithmetic Geometry
Cryptography
Combinatorics
Coding Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
520
149
0.287
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Algebraic coding theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
127
0.564
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Heegaard-Floer theory
Low dimensional topology
Knot theory
Symplectic geometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
126
0.490
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
Commutative Algebra
Homological Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
394
111
0.282
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Commutative Algebra
Combinatorial Commutative Algebra
Homological Algebra
Local Cohomology and related topics
Toric rings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
104
0.782
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Set theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
173
100
0.578
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Mathematics
dynamical systems
ergodic theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196
71
0.362
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
48
0.906
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Computer Algebra
Symbolic Computation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74
41
0.554
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Commutative Algebra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
41
0.745
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Algebraic Geometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
Operator Algebras
Quantum groups
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
25
0.568
* Last 6 Years Citation Counts Rankings
Rankings
278,906
3,594
10
Ranking Based On Selection: 1
Amir Najafi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,860
1,759
0.946
Machine Learning Theory
Statistics
Artificial Intelligence
* Last 6 Years Citation Counts Rankings
Rankings
631,498
11,207
26
Ranking Based On Selection: 2
Reza Nikandish
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
939
618
0.658
Graph Theory
Commutative Algebra
* Last 6 Years Citation Counts Rankings
Rankings
682,775
12,401
29
Ranking Based On Selection: 3
Oas Karamzadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,502
545
0.363
Mathematics
Rings and module theory
Topology
Rings of continuous function
Math education
* Last 6 Years Citation Counts Rankings
Rankings
727,247
13,474
31
Ranking Based On Selection: 4
Mr Pournaki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,079
481
0.446
Homological and Combinatorial Methods in Commutative Algebra
* Last 6 Years Citation Counts Rankings
Rankings
731,368
13,583
32
Ranking Based On Selection: 5
Majid Changi Ashtiani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
482
0.956
* Last 6 Years Citation Counts Rankings
Rankings
798,430
15,108
35
Ranking Based On Selection: 6
Fariborz Azarpanah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
961
388
0.404
* Last 6 Years Citation Counts Rankings
Rankings
916,990
17,565
42
Ranking Based On Selection: 7
Ebrahim Ghorbani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
592
307
0.519
* Last 6 Years Citation Counts Rankings
Rankings
1,009,239
19,362
52
Ranking Based On Selection: 8
Amir Hashemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
573
253
0.442
Grobner bases (computation and applications)
comprehensive Grobner bases (computation and
* Last 6 Years Citation Counts Rankings
Rankings
1,098,043
20,984
58
Ranking Based On Selection: 9
Massoud Tousi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
652
212
0.325
* Last 6 Years Citation Counts Rankings
Rankings
1,150,652
21,935
62
Ranking Based On Selection: 10
Maryam Salimi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
467
189
0.405
360° Institutional Performance & Benchmarking Click Here for Live Demo
Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info
* Last 6 Years Citation Counts Rankings
Rankings
1,180,979
22,474
65
Ranking Based On Selection: 11
Mahnaz Habibi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
265
177
0.668
Artificial Intelligence
Machine Learning
Computational Biology
Bioinformatics
* Last 6 Years Citation Counts Rankings
Rankings
1,186,224
22,552
66
Ranking Based On Selection: 12
Mehrdad Namdari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
323
172
0.533
General Topology
Rings of continuous functions
Commutative rings
* Last 6 Years Citation Counts Rankings
Rankings
1,206,875
22,921
68
Ranking Based On Selection: 13
Fatemeh Baharifard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
266
165
0.620
Computational Geometry
Approximation Algorithms
Scientific Computing
* Last 6 Years Citation Counts Rankings
Rankings
1,252,478
23,743
73
Ranking Based On Selection: 14
Omran Ahmadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
520
149
0.287
Number theory
Arithmetic Geometry
Cryptography
Combinatorics
Coding Theory
* Last 6 Years Citation Counts Rankings
Rankings
1,329,979
25,087
79
Ranking Based On Selection: 15
Karim Samei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
127
0.564
* Last 6 Years Citation Counts Rankings
Rankings
1,333,512
25,142
80
Ranking Based On Selection: 16
Eaman Eftekhary
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
126
0.490
Heegaard-Floer theory
Low dimensional topology
Knot theory
Symplectic geometry
* Last 6 Years Citation Counts Rankings
Rankings
1,418,415
26,637
87
Ranking Based On Selection: 17
Mohammad-T Dibaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
394
111
0.282
Commutative Algebra
Homological Algebra
* Last 6 Years Citation Counts Rankings
Rankings
1,420,394
26,685
89
Ranking Based On Selection: 18
Mina Bigdeli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
133
104
0.782
Commutative Algebra
Combinatorial Commutative Algebra
Homological Algebra
Local Cohomology and related topics
Toric rings
* Last 6 Years Citation Counts Rankings
Rankings
1,446,730
27,114
94
Ranking Based On Selection: 19
Mohammad Golshani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
173
100
0.578
* Last 6 Years Citation Counts Rankings
Rankings
1,604,012
30,047
114
Ranking Based On Selection: 20
Meysam Nassiri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196
71
0.362
Mathematics
dynamical systems
ergodic theory
* Last 6 Years Citation Counts Rankings
Rankings
1,727,900
32,513
123
Ranking Based On Selection: 21
Seyed Masih Ayat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
48
0.906
* Last 6 Years Citation Counts Rankings
Rankings
1,789,797
33,807
127
Ranking Based On Selection: 22
Mahdi Dehghani Darmian
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74
41
0.554
Computer Algebra
Symbolic Computation
* Last 6 Years Citation Counts Rankings
Rankings
1,807,745
34,194
128
Ranking Based On Selection: 23
Ehsan Tavanfar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
41
0.745
* Last 6 Years Citation Counts Rankings
Rankings
1,808,462
34,218
129
Ranking Based On Selection: 24
Azizeh Nozad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
* Last 6 Years Citation Counts Rankings
Rankings
1,933,664
37,016
135
Ranking Based On Selection: 25
Fatemeh Khosravi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
25
0.568
Operator Algebras
Quantum groups
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