The colloquium takes place on Mondays 3:30-4:30 or Thursdays 2:30-3:30 in-person with some speakers occasionally visiting virtually. In the case of a virtual meeting, an invitation and link will be sent the morning of the colloquium dates. For speaker suggestions, email Suresh Eswarathasan at sr766936 'at' dal 'dot' ca
| Day | Date | Speaker (Affiliation) | Title |
| Monday | September 11 | No Colloquium | Grad Orientation Meeting |
| Thursday | September 21 | Jose Senovilla (University of the Basque Country) | A very singular mathematical theorem |
| Monday | September 25 | No Colloquium | Departmental Meeting |
| Thursday | October 19 | Geoff Vooys (Dalhousie Uni.) | Lawvere Theories, Measure Theory, and Topological Algebra: The Secret Algebra of Measurable Spaces |
| Monday | October 23 | Trent Marbach (Toronto Met. Uni.) | Pursuit evasion on graphs |
| Thursday | October 26 | No Colloquium | Departmental Meeting |
| Monday | November 6 | Ivan Booth (Memorial Uni. Newfoundland) | Geometry of Black Hole Mergers |
| Monday | November 20 | Philip Johnson-Freyd (Sandia National Laboratories) | Code, Names, Coin flips, and Atomic Sheaves: Towards Higher-Order Probabilistic Separation Logics |
| Monday | November 27 | David Ruetter (U. Hamburg) | Topological Quantum Field Theories and what they know about manifolds |