May 4th, 2026 — 10:00 (Europe/Lisbon) — Google Meet
Nerves of T-categories and powerful T-functors
Soichiro Fujii — National Institute of Informatics, Japan
May 4th, 2026 — 11:00 (Europe/Lisbon) — Google Meet
Coinductive reasoning for parametrized functors and monads
Zeinab Galal — Research Institute for Mathematical Sciences, Kyoto University, Japan
March 17th, 2026 — 15:00 (Europe/Lisbon) — Google Meet
Dual presentations of locales
Graham Manuell — Stellenbosch University
January 13th, 2026 — 15:00 (Europe/Lisbon) — Google Meet
On the commuting tensor product of symmetric multicategories and their bimodules
Nicola Gambino — University of Manchester, UK
January 13th, 2026 — 16:00 (Europe/Lisbon) — Google Meet
Ehresmann connections in a tangent category
Geoffrey Cruttwell — Mount Allison University, Canada
December 2nd, 2025 — 15:00 (Europe/Lisbon) — Google Meet
Categorical and metric density
Tom Leinster — The University of Edinburgh, Scotland
December 2nd, 2025 — 16:00 (Europe/Lisbon) — Google Meet
N-fold groupoids and n-groupoids in regular Mal’tsev categories
Nadja Egner — UCLouvain, Belgium
October 7th, 2025 — 15:00 (Europe/Lisbon) — Google Meet
When are exact categories co-exact?
James Gray — Stellenbosch University, South Africa
October 7th, 2025 — 16:00 (Europe/Lisbon) — Google Meet
Noncommutative Poisson structure and invariants of matrices
Xabier García-Martínez — Universidade de Santiago de Compostela, Spain
August 19th, 2025 — 11:00 (Europe/Lisbon) — Google Meet
Drazin Inverses in (Dagger) Categories
JS Lemay — Macquarie University, Australia
August 19th, 2025 — 12:00 (Europe/Lisbon) — Google Meet
A general approach to pointfree T0 spaces
Anna Laura Suarez — University of the Western Cape, South Africa
May 20th, 2025 — 15:00 (Europe/Lisbon) — Microsoft Teams
Self-dual aspects of semi-abelian categories
Tim Van der Linden — Université catholique de Louvain & Vrije Universiteit Brussel, Belgium
May 20th, 2025 — 16:00 (Europe/Lisbon) — Microsoft Teams
Norms for vectors, linear operators and morphisms of categories, and Cauchy convergence for them
Walter Tholen — York University, Canada