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IFIP-WG 1.8 “Concurrency Theory”


Welcome to the home page of WG 1.8 “Concurrency Theory” established in 2005 under Technical Committee TC1 Foundations of Computer Science of IFIP. The main aim of this working group, among others, is to develop the theoretical foundations of concurrency, exploring the frontiers of existing theoretical models like process algebra and various process calculi, so as to obtain a deeper theoretical understanding of concurrent and parallel systems.

Regular Activities

  • TRENDS: The working group organizes an annual workshop on “Trends in Concurrency Theory” co-located with the International Conference on Concurrency Theory (CONCUR). Below are the links to the web pages of the current / past editions:

    • TRENDS 2021 to be held online on August 28, 2021
    • TRENDS 2020 held online on September 5, 2020
    • TRENDS 2019 held on August 31 in Amsterdam, The Netherlands,
    • TRENDS 2018 held on September 8 in Beijing, China,
    • TRENDS 2017 held on September 9 in Berlin, Germany,
    • TRENDS 2016 held on September 5, 2015 in Quebec City, Canada,
    • TRENDS 2015 held on September 5, 2015 in Madrid, Spain,
    • TRENDS 2014 held on September 6, 2014 in Rome, Italy,
    • TRENDS 2013 held on August 31, 2013 in Buenos Aires, Argentina, and
    • TRENDS 2012 held on September 8, 2012 in Newcastle upon Tyne, UK .
  • Open Problems in Concurrency Theory (OPCT): a series of seminars dedicated to invited presentations on the open problems in the field:

    • OPCT 2019 (in conjunction with POPL 2019) from January 15 to 16 at Cascais, Portugal.
    • OPCT 2017 from June 25 to June 28 at IST, Austria.
    • OPCT 2014 from June 18 to June 21, 2014, in Bertinoro, Italy.


  1. Luca Aceto, Reykjavik University, Iceland
  2. Pedro D’Argenio, Universidad Nacional de Córdoba, AR (Chair)
  3. Jos Baeten, Eindhoven University of Technology, NL
  4. Marco Bernardo, Università di Urbino, IT
  5. Michele Boreale, Università di Firenze, IT
  6. Patricia Bouyer-Decitre, ENS-Cachan, FR
  7. Luca Cardelli, Microsoft Research, UK
  8. Ilaria Castellani, INRIA Sophia Antipolis, FR
  9. Flavio Corradini, Università di Camerino, IT
  10. Silvia Crafa, Università di Padova, IT
  11. Vincent Danos, CNRS and Paris VII, FR
  12. Luca de Alfaro, UC Santa Cruz, USA
  13. Rocco De Nicola, IMT Lucca, IT
  14. Javier Esparza, TU München, DE
  15. Wan Fokkink, Vrije Universiteit Amsterdam and TU Eindhoven, NL
  16. David de Frutos Escrig, Universidad Compultense Madris, ES
  17. Yuxi Fu, Shanghai Jiaotong University, CN
  18. Paul Gastin, ENS-Cachan, FR
  19. Hubert Garavel, INRIA Grenoble, FR
  20. Rob van Glabbeek, NICTA, Australia
  21. Ursula Goltz, TU Braunschweig, DE
  22. Holger Hermanns, Saarland University, DE
  23. Joost-Pieter Katoen, RWTH Aachen University, DE
  24. Naoki Kobayashi, Tokyo University, JP
  25. Antonin Kucera, Masaryk University, CZ
  26. Orna Kupferman, Hebrew University, Jerusalem, IL
  27. Marta Kwiatkowska, Oxford University, UK
  28. Cosimo Laneve, Università di Bologna, IT
  29. Kim G. Larsen, BRICS, CISS and Aalborg University, DK
  30. Huimin Lin, Chinese Academy of Sciences, CN
  31. Xinxin Liu, Chinese Academy of Sciences, CN
  32. Bas Luttik, Eindhoven University of Technology, NL
  33. Ugo Montanari, Università di Pisa, IT
  34. Mohammad Mousavi, University of Leicester, UK
  35. Madhavan Mukund, Chennai Mathematical Institute, India
  36. Uwe Nestmann, TU Berlin, DE
  37. Catuscia Palamidessi, INRIA Saclay, FR
  38. Prakash Panangaden, McGill, CA
  39. Alban Ponse, University of Amsterdam, NL
  40. Corrado Priami, Università di Trento, IT
  41. Bill Roscoe, Oxford University, UK
  42. Davide Sangiorgi, Università di Bologna, IT
  43. Steve Schneider, Royal Holloway, UK
  44. Alexandra Silva, University College London, UK
  45. Scott Smolka, SUNY Sony Brook, USA
  46. Ana Sokolova, Salzburg University, AT (Secretary)
  47. Colin Stirling, University of Edinburgh, UK
  48. Irek Ulidowski, University of Leicester, UK
  49. Moshe Vardi, Rice University, USA
  50. Vasco Vasconcelos, University of Lisbon, PT
  51. Walter Vogler, Universität Augsburg, DE
  52. Nobuko Yoshida, Imperial College, UK

Past Activities

  • IFIP WG 1.8 co-organized a research seminar on
  • Some members of IFIP WG 1.8 organized a workshop on 25 Years of Combining Concurrency and Compositionality (WS25CCC) from August 6 to August 9, 2013 in Königswinter, Germany.
  • IFIP WG 1.8 organized a workshop on Formal Methods for Embedded Systems at FMweek in Eindhoven.
  • IFIP WG 1.8 together with IFIP WG 2.2 organized a workshop on “behavioural varieties in concurrency” at CONCUR 2009 in Bologna, on Wednesday 2 September 2009.

Past Members

  1. Martin Abadi, UC Santa Cruz and Google, USA
  2. Roberto Amadio, Université de Paris 7, FR
  3. Jan Bergstra, University of Amsterdam, NL
  4. Gerard Boudol, INRIA Sophia Antipolis, FR
  5. Zoltan Esik, University of Szeged, HU (in memoriam)
  6. Andrew D. Gordon, Microsoft Research, UK
  7. Jan Friso Groote, Eindhoven University of Technology, NL
  8. Matthew Hennessy, Trinity College Dublin, IE
  9. Kohei Honda, Queen Mary College London, UK (some photos)
  10. Anna Ingolfsdottir, Reykjavik University, Iceland
  11. Anna Labella, Università di Roma “La Sapienza”, IT
  12. George Milne, The University of Western Australia, Australia
  13. Eugene Stark, SUNY Sony Brook, USA
  14. P.S. Thiagarajan, National University of Singapore, SG

Chairpersons and Secretaries