Dion Coumans' homepage

Having obtained my PhD at the Radboud University Nijmegen in the Algebra & Logic group, supervised by Mai Gehrke and Ieke Moerdijk, I now have a teaching position at that same university.

Contact details

Radboud Universiteit Nijmegen
P.O. Box 9010
6500 GL Nijmegen
The Netherlands

You can visit me at:
Room HG03.065
Heyendaalseweg 135
6525 AJ Nijmegen

Or contact me by phone or mail:
T: +31-(0)24-3653220
E: coumans at math.ru.nl


My current research interest is in duality theory, relational semantics and categorical logic. In particular, I am working on extending techniques used in the algebraic study of propositional logics to the categorical setting, so that that they can be applied in the study of predicate logics.

Scientific texts

Other texts



I have been / will be teaching the courses

I have been teaching exercises classes on