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D-Index & Metrics

Mathematics

D-Index
40
Citations
5232
World Ranking
2095
National Ranking
141

James Worrell 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 James Worrell sits on this spectrum.

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 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 213 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

James Worrell 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 James Worrell sits on this spectrum.

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: 40 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Overview

James Worrell is affiliated with the University of Oxford in the United Kingdom and has contributed extensively to the field of Computer Science, with a focus on Computational Theory and Mathematics. Their work spans multiple subfields including Artificial Intelligence, Geometry and Topology, Software, and Statistical and Nonlinear Physics.

Their main research topics include:

  • Formal Methods in Verification
  • Semigroups and Automata Theory
  • Logic, Programming, and Type Systems
  • Polynomial and Algebraic Computation
  • Machine Learning and Algorithms
  • Computability, Logic, AI Algorithms
  • Advanced Algebra and Logic

Worrell has published frequently in venues such as arXiv (Cornell University), Leibniz-Zentrum für Informatik (Schloss Dagstuhl), Proceedings of the ACM on Programming Languages, Journal of the ACM, and Information and Computation.

Several recent papers co-authored by Worrell demonstrate a focus on theoretical computer science topics, including:

  • "What's decidable about linear loops?" (2022), Proceedings of the ACM on Programming Languages
  • "Probabilistic automata of bounded ambiguity" (2020), Information and Computation
  • "Deciding ω-regular properties on linear recurrence sequences" (2021), Proceedings of the ACM on Programming Languages
  • "On Strongest Algebraic Program Invariants" (2023), Journal of the ACM
  • "Markov chains and unambiguous automata" (2023), Journal of Computer and System Sciences

Frequent collaborators include Joël Ouaknine, Toghrul Karimov, Engel Lefaucheux, Florian Luca, and Mahsa Shirmohammadi, highlighting a pattern of sustained joint research efforts.

Best Publications

  • On the decidability of metric temporal logic

    J. Ouaknine;J. Worrell

  • Some Recent Results in Metric Temporal Logic

    Joël Ouaknine;James Worrell

  • Nets with Tokens which Carry Data

    Ranko Lazic;Tom Newcomb;Joël Ouaknine;A. W. Roscoe

  • A behavioural pseudometric for probabilistic transition systems

    Franck van Breugel;James Worrell

  • Towards Quantitative Verification of Probabilistic Transition Systems

    Franck van Breugel;James Worrell

  • On the decidability and complexity of Metric Temporal Logic over finite words

    Joël Ouaknine;James Worrell

  • On the language inclusion problem for timed automata: closing a decidability gap

    J. Ouaknine;J. Worrell

  • Positivity problems for low-order linear recurrence sequences

    Joël Ouaknine;James Worrell

  • On the final sequence of a finitary set functor

    James Worrell

  • An Algorithm for Quantitative Verification of Probabilistic Transition Systems

    Franck van Breugel;James Worrell

  • Tractable reasoning in a fragment of separation logic

    Byron Cook;Christoph Haase;Joël Ouaknine;Matthew Parkinson

  • Reachability in Succinct and Parametric One-Counter Automata

    Christoph Haase;Stephan Kreutzer;Joël Ouaknine;James Worrell

  • On metric temporal logic and faulty turing machines

    Joël Ouaknine;James Worrell

  • Terminal sequences for accessible endofunctors

    James Worrell

  • LTL model checking of interval markov chains

    Michael Benedikt;Rastislav Lenhardt;James Worrell

  • Revisiting digitization, robustness, and decidability for timed automata

    J. Ouaknine;J. Worrell

  • Approximating and computing behavioural distances in probabilistic transition systems

    Franck van Breugel;James Worrell

  • Axioms for Probability and Nondeterminism

    Michael W. Mislove;Joël Ouaknine;James Worrell

  • Decision problems for linear recurrence sequences

    Joël Ouaknine;James Worrell

  • On the complexity of computing probabilistic bisimilarity

    Di Chen;Franck van Breugel;James Worrell

Frequent Co-Authors

Joël Ouaknine
Joël Ouaknine Max Planck Institute for Software Systems
Michael Benedikt
Michael Benedikt University of Oxford
Nicolas Markey
Nicolas Markey French Institute for Research in Computer Science and Automation - INRIA
Patricia Bouyer
Patricia Bouyer University of Paris-Saclay
Jean-François Raskin
Jean-François Raskin Université Libre de Bruxelles
A. W. Roscoe
A. W. Roscoe University of Oxford
Laurent Doyen
Laurent Doyen École Normale Supérieure
Christel Baier
Christel Baier TU Dresden
Parosh Aziz Abdulla
Parosh Aziz Abdulla Uppsala University
Marta Kwiatkowska
Marta Kwiatkowska University of Oxford

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