Alternative (Oxford) page here

General information

  • Term: Trinity term (April-June) 2021
  • Time: Wednesdays, 10-11 AM (Oxford time)
  • Place: University of Oxford, Department of Mathematics (currently online)
  • Lecturer: Paolo Perrone
  • Office hours: Wednesdays, 11 AM-noon (or by appointment)
For any question, and if you want to take the exam, please contact me directly.


  • Preorders, Galois connections
  • Monoidal preorders, quantale-enriched categories
  • Categories and databases
  • Profunctors and co-design
  • Props and signal flow
  • Circuits, hypergraph categories, operads
  • Toposes and internal languages


  • B. Fong and D. Spivak, Seven Sketches in Compositionality. Official textbook, available here.
  • P. Perrone, Notes on Category Theory with examples from basic mathematics. Additional resource, available here.

Online resources