• United Kingdom

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Categorical foundations for quantum computing.
Graphical reasoning in monoidal categories


Research output per year

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Personal profile

Research Interests

My main research interests are in quantum computation and quantum foundations.  I investigate what makes quantum theory different to other plausible theories and how these differences can be exploited in the realm of computer science.  Quantum theory is quite difficult to understand, and a large part of my work involves using category theory to get at the important aspects of quantum theory.  Category theory also provides a beautiful graphical language which makes quantum systems easier to understand.  For this reason, I'm also interested in reasoning in graphical languages and inm particular automated reasoning.


  • quantum computation
  • category theory
  • graphical reasoning
  • logic
  • semantics

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Research Output

Open Access
  • On the qubit routing problem

    Cowtan, A., Dilkes, S., Duncan, R., Krajenbrink, A., Simmons, W. & Sivarajah, S., 1 May 2019, In : Leibniz International Proceedings in Informatics (LIPIcs). 135, 32 p., 5.

    Research output: Contribution to journalArticle

    Open Access
  • 2 Citations (Scopus)
    45 Downloads (Pure)


    A categorical approach to the foundations of Quantum theory

    Author: Dunne, K., 19 Sep 2019

    Supervisor: Duncan, R. (Supervisor) & Ghani, N. (Supervisor)

    Student thesis: Doctoral Thesis


    • 3 Invited talk
    • 1 Organiser of major conference
    • 1 Organiser of special symposia
    • 1 Participation in workshop, seminar, course

    Computer & Information Sciences Christmas Lecture for Schools

    Ross Duncan (Participant)
    9 Dec 2016

    Activity: Participating in or organising an event typesParticipation in workshop, seminar, course

    On Interacting Frobenius Algebras and Distributive Laws

    Ross Duncan (Invited speaker)
    Apr 2016

    Activity: Talk or presentation typesInvited talk