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Oliver Riordan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mathematics 39 2139 1888 145 128 118 9636
Computer Science 39 9563 9287 595 587 115 9642

Oliver Riordan publications per year

The chart shows the history of publications by Oliver Riordan between 1998 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Oliver Riordan published across 28 years, from 1998 to 2025, averaging 4.6 papers a year. Output peaked at 11 publications in 2005. 3 of the 128 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1998 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2005. 1998: 3 publications 1999: 2 publications 2000: 6 publications 2001: 3 publications 2002: 3 publications 2003: 6 publications 2004: 10 publications 2005: 11 publications 2006: 11 publications 2007: 5 publications 2008: 6 publications 2009: 4 publications 2010: 5 publications 2011: 8 publications 2012: 11 publications 2013: 2 publications 2014: 2 publications 2015: 3 publications 2016: 3 publications 2017: 6 publications 2018: 5 publications 2019: 1 publication 2020: 1 publication 2021: 2 publications 2022: 2 publications 2023: 4 publications 2024: 2 publications 2025: 1 publication
1998 2025

128 publications in total across all disciplines

View publications per year as a table
Oliver Riordan: publications per year, 1998 to 2025
Year Publications
1998 3
1999 2
2000 6
2001 3
2002 3
2003 6
2004 10
2005 11
2006 11
2007 5
2008 6
2009 4
2010 5
2011 8
2012 11
2013 2
2014 2
2015 3
2016 3
2017 6
2018 5
2019 1
2020 1
2021 2
2022 2
2023 4
2024 2
2025 1
Total 128
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Oliver Riordan publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Oliver Riordan sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 100 bars. Horizontal axis: publications, 42–46 to 537+. Vertical axis: number of scientists, 0 to 112. Most scientists, 112, have 142–146 publications. The last bar groups every scientist with 537 publications or more. The highlighted bar, 117–121 publications, is where this scientist sits. 42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 83 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientist 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientist 522–526 publications: 3 scientists 527–531 publications: 1 scientist 532–536 publications: 4 scientists 537+ publications: 100 scientists
42–46 publications 537+

This scientist: 118 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

View publications distribution as a table
Number of Mathematics scientists by publication count, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
Publications Scientists This scientist
42–46 3
47–51 5
52–56 7
57–61 20
62–66 14
67–71 25
72–76 19
77–81 35
82–86 50
87–91 60
92–96 86
97–101 84
102–106 83
107–111 90
112–116 99
117–121 90 118
122–126 91
127–131 109
132–136 110
137–141 98
142–146 112
147–151 102
152–156 88
157–161 106
162–166 83
167–171 102
172–176 77
177–181 81
182–186 78
187–191 71
192–196 92
197–201 64
202–206 69
207–211 64
212–216 62
217–221 58
222–226 53
227–231 50
232–236 46
237–241 46
242–246 46
247–251 43
252–256 29
257–261 45
262–266 30
267–271 33
272–276 34
277–281 30
282–286 31
287–291 21
292–296 34
297–301 26
302–306 10
307–311 17
312–316 23
317–321 13
322–326 16
327–331 26
332–336 13
337–341 13
342–346 16
347–351 17
352–356 12
357–361 18
362–366 18
367–371 9
372–376 11
377–381 8
382–386 8
387–391 9
392–396 9
397–401 8
402–406 11
407–411 6
412–416 6
417–421 9
422–426 8
427–431 5
432–436 8
437–441 8
442–446 4
447–451 4
452–456 4
457–461 2
462–466 2
467–471 4
472–476 3
477–481 3
482–486 6
487–491 3
492–496 5
497–501 5
502–506 1
507–511 6
512–516 4
517–521 1
522–526 3
527–531 1
532–536 4
537+ 100
Download as CSV

Oliver Riordan D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Oliver Riordan sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 57 bars. Horizontal axis: D-Index, 30 to 86+. Vertical axis: number of scientists, 0 to 174. Most scientists, 174, have 30 D-Index. The last bar groups every scientist with 86 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 138 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 39 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

View D-Index distribution as a table
Number of Mathematics scientists by D-index, Research.com 2026 ranking edition. Based on 3,584 ranked scientists.
D-Index Scientists This scientist
30 174
31 151
32 174
33 117
34 136
35 127
36 145
37 153
38 150
39 150 39
40 138
41 136
42 93
43 108
44 115
45 112
46 103
47 75
48 59
49 67
50 60
51 57
52 59
53 62
54 60
55 50
56 42
57 54
58 50
59 42
60 41
61 35
62 40
63 21
64 31
65 27
66 29
67 19
68 25
69 17
70 18
71 12
72 14
73 13
74 18
75 9
76 11
77 10
78 9
79 16
80 12
81 10
82 5
83 5
84 13
85 6
86+ 99
Download as CSV

Overview

Oliver Riordan is affiliated with the University of Oxford in the United Kingdom and conducts research primarily in the field of Mathematics.

The main research areas include:

  • Limits and Structures in Graph Theory
  • Environmental Education and Sustainability
  • Advanced Graph Theory Research
  • Stochastic processes and statistical mechanics
  • Climate Change Communication and Perception
  • Behavioral Health and Interventions
  • Graph theory and applications

Their subfields of study cover:

  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics
  • Management, Monitoring, Policy and Law
  • Mathematical Physics
  • Geometry and Topology

Oliver Riordan has authored several recent research papers, including:

  • "Random cliques in random graphs and sharp thresholds for F$$ F $$-factors," 2022, published in Random Structures and Algorithms
  • "Combinatorics, Probability and Computing," 2023, published in Oberwolfach Reports
  • "Addressing illegal practices: intergenerational transfer and creative engagement as a way to compensate boomerang effects," 2023, published in Frontiers in Communication
  • "How does the chromatic number of a random graph vary?," 2023, published in Journal of the London Mathematical Society
  • "How does embracing an outdoor lifestyle and sense of responsibility impact plastic reduction efforts?," 2024, published in Frontiers in Sustainability

The frequent co-authors collaborating with Oliver Riordan include:

  • Isabel Richter
  • Michael Krivelevich
  • Angelika Steger
  • Annika Heckel
  • Tomasz Przybyłowski

Oliver Riordan has contributed to multiple publications in various venues, with the most frequent being:

  • Oberwolfach Reports
  • arXiv (Cornell University)
  • Random Structures and Algorithms
  • Frontiers in Communication
  • Journal of the London Mathematical Society

Best Publications

  • The degree sequence of a scale-free random graph process

    Béla Bollobás;Oliver Riordan;Joel Spencer;Gábor Tusnády

  • The phase transition in inhomogeneous random graphs

    Béla Bollobás;Svante Janson;Oliver Riordan

  • The Diameter of a Scale-Free Random Graph

    Bélaa Bollobás;Oliver Riordan

  • Mathematical results on scale‐free random graphs

    Béla Bollobás;Béla Bollobás;Oliver M. Riordan

  • Directed scale-free graphs

    Béla Bollobás;Christian Borgs;Jennifer Chayes;Oliver Riordan

  • Robustness and Vulnerability of Scale-Free Random Graphs

    Béla Bollobás;Oliver Riordan

  • Explosive percolation is continuous.

    Oliver Riordan;Lutz Warnke

  • A polynomial of graphs on surfaces

    Béla Bollobás;Oliver Riordan

  • The critical probability for random Voronoi percolation in the plane is 1/2

    Béla Bollobás;Béla Bollobás;Oliver Riordan;Oliver Riordan

  • Vertex-distinguishing edge colorings of graphs

    P. N. Balister;O. M. Riordan;R. H. Schelp

  • Nonrepetitive colorings of graphs

    Noga Alon;Jaroslaw Grytczuk;Mariusz Hałuszczak;Oliver Riordan

  • The phase transition in inhomogeneous random graphs

    Bela Bollobas;Svante Janson;Oliver Riordan

  • A Polynomial Invariant of Graphs On Orientable Surfaces

    Béla Bollobás;Oliver Riordan

  • Metrics for sparse graphs

    B. Bollobás;O. Riordan

  • A Tutte Polynomial for Coloured Graphs

    Béla Bollobás;Oliver Riordan

  • Sparse graphs: Metrics and random models

    Béla Bollobás;Oliver Riordan

  • The diameter of sparse random graphs

    Oliver Riordan;Nicholas Wormald

  • Percolation on dense graph sequences.

    Béla Bollobás;Christian Borgs;Jennifer T. Chayes;Oliver Riordan

  • Spanning Subgraphs of Random Graphs

    Oliver Riordan

  • The consequences of Zipf's law for syntax and symbolic reference

    Ramon Ferrer i Cancho;Oliver Riordan;Béla Bollobás

  • Nonrepetitive colorings of graphs

    Noga Alon;Jarosław Grytczuk

Frequent Co-Authors

Béla Bollobás
Béla Bollobás University of Memphis
Svante Janson
Svante Janson Uppsala University
Paul Balister
Paul Balister University of Oxford
Christian Borgs
Christian Borgs University of California, Berkeley
Jennifer Chayes
Jennifer Chayes University of California, Berkeley
József Balogh
József Balogh University of Illinois at Urbana-Champaign
Benny Sudakov
Benny Sudakov ETH Zurich
David Gamarnik
David Gamarnik MIT
Joel Spencer
Joel Spencer Courant Institute of Mathematical Sciences
Walter J. Freeman
Walter J. Freeman University of California, Berkeley

External Links

Personal website of Oliver Riordan

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Best Scientists Citing Oliver Riordan

Remco van der Hofstad

Remco van der Hofstad

Eindhoven University of Technology

Publications: 66

Svante Janson

Svante Janson

Uppsala University

Publications: 66

Alan Frieze

Alan Frieze

Carnegie Mellon University

Publications: 49

Jennifer Chayes

Jennifer Chayes

University of California, Berkeley

Publications: 35

Christian Borgs

Christian Borgs

University of California, Berkeley

Publications: 34

Colin Cooper

Colin Cooper

University of East Anglia

Publications: 24

Michael Krivelevich

Michael Krivelevich

Tel Aviv University

Publications: 22

Sidney I. Resnick

Sidney I. Resnick

Cornell University

Publications: 21

Ricard V. Solé

Ricard V. Solé

Pompeu Fabra University

Publications: 18

Carey E. Priebe

Carey E. Priebe

Johns Hopkins University

Publications: 15

Nicholas C. Wormald

Nicholas C. Wormald

Monash University

Publications: 15

Boris Pittel

Boris Pittel

The Ohio State University

Publications: 15

David R. Wood

David R. Wood

Monash University

Publications: 14

Geoffrey Grimmett

Geoffrey Grimmett

University of Cambridge

Publications: 14

Fan Chung

Fan Chung

University of California, San Diego

Publications: 13

Michael A. Henning

Michael A. Henning

University of Johannesburg

Publications: 13

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