Citation Rankings
Highly Cited Researchers
University of Iceland Highly Cited Researchers CitationNatural Sciences / Mathematical Sciences Rankings (Sort by last 6 years Citation Index) 2025
The Citation Rankings (Highly Cited Researchers) 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
Statistics
biostatistics
survival analysis
clinical prediction models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,915
68,925
0.486
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
statistical genetics
genetic epidemiology
population genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,675
7,542
0.707
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
Web-assisted education
cryptocurrency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,053
1,343
0.266
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Dynamical systems
Lyapunov functions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,124
1,172
0.552
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Bayesian hierarchical modeling
Spatial Statistics
Time Series
Extreme Value Analysis
Physical Statistical Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,018
1,011
0.501
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Combinatorics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,199
481
0.401
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
Well-being
social indicators
social change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
671
301
0.449
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Group theory
graph theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
242
0.348
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
253
178
0.704
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
Mathematical physics
random graphs
probability theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
316
153
0.484
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
Combinatorics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
143
1.000
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
Mathematical modeling
applied probability
stochastic processes
mathematical biology
cancer evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
145
0.993
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Social Psychology
Labour Market
Income Inequality
Mental Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
112
0.651
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
Task Design
Teacher Noticing
Use of Technology
Teacher Professional Development
Teacher Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76
74
0.974
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Complex analysis
pluripotential theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
32
0.593
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
differential geometry
Cartan's equivalence method
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
20
0.769
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Statistics
Combinatorics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Last 6 Years Citation Counts Rankings
Rankings
1,837
3
3
Ranking Based On Selection: 1
Thor Aspelund
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,915
68,925
0.486
Statistics
biostatistics
survival analysis
clinical prediction models
* Last 6 Years Citation Counts Rankings
Rankings
54,954
36
18
Ranking Based On Selection: 2
Johanna Jakobsdottir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,675
7,542
0.707
statistical genetics
genetic epidemiology
population genetics
* Last 6 Years Citation Counts Rankings
Rankings
381,225
204
139
Ranking Based On Selection: 3
Gunnar Stefansson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,053
1,343
0.266
Web-assisted education
cryptocurrency
* Last 6 Years Citation Counts Rankings
Rankings
425,962
238
164
Ranking Based On Selection: 4
Sigurdur Hafstein
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,124
1,172
0.552
Dynamical systems
Lyapunov functions
* Last 6 Years Citation Counts Rankings
Rankings
476,762
271
187
Ranking Based On Selection: 5
Birgir Hrafnkelsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,018
1,011
0.501
Bayesian hierarchical modeling
Spatial Statistics
Time Series
Extreme Value Analysis
Physical Statistical Modeling
* Last 6 Years Citation Counts Rankings
Rankings
748,847
443
323
Ranking Based On Selection: 6
Anders Claesson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,199
481
0.401
* Last 6 Years Citation Counts Rankings
Rankings
946,343
554
391
Ranking Based On Selection: 7
Kolbeinn Stefansson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
671
301
0.449
Well-being
social indicators
social change
* Last 6 Years Citation Counts Rankings
Rankings
1,044,283
616
427
Ranking Based On Selection: 8
Rögnvaldur G Möller
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
242
0.348
* Last 6 Years Citation Counts Rankings
Rankings
1,185,703
700
482
Ranking Based On Selection: 9
Anna Helga Jónsdóttir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
253
178
0.704
* Last 6 Years Citation Counts Rankings
Rankings
1,255,463
737
506
Ranking Based On Selection: 10
Sigurður Örn Stefánsson|Sigurdur Örn Stefánsson, Sigurdur Orn Stefansson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
316
153
0.484
Mathematical physics
random graphs
probability theory
* Last 6 Years Citation Counts Rankings
Rankings
1,289,518
759
524
Ranking Based On Selection: 11
Giulio Cerbai
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
143
143
1.000
* Last 6 Years Citation Counts Rankings
Rankings
1,282,721
758
523
Ranking Based On Selection: 12
Einar Bjarki Gunnarsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
145
0.993
Mathematical modeling
applied probability
stochastic processes
mathematical biology
cancer evolution
* Last 6 Years Citation Counts Rankings
Rankings
1,398,791
804
550
Ranking Based On Selection: 13
Arndís Vilhjálmsdóttir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
112
0.651
Social Psychology
Labour Market
Income Inequality
Mental Health
* Last 6 Years Citation Counts Rankings
Rankings
1,579,767
876
601
Ranking Based On Selection: 14
Bjarnheiður Kristinsdóttir
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76
74
0.974
Task Design
Teacher Noticing
Use of Technology
Teacher Professional Development
Teacher Change
* Last 6 Years Citation Counts Rankings
Rankings
1,875,900
997
680
Ranking Based On Selection: 15
Benedikt Magnússon
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
32
0.593
Complex analysis
pluripotential theory
* Last 6 Years Citation Counts Rankings
Rankings
2,006,484
1,046
710
Ranking Based On Selection: 16
Orn Arnaldsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
20
0.769
differential geometry
Cartan's equivalence method
* Last 6 Years Citation Counts Rankings
Rankings
2,194,997
1,108
755
Ranking Based On Selection: 17
Kári Rögnvaldsson
University of Iceland
Reykjavík, Iceland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000