CMUC · Online ALT archive

Past online seminars

Talks and resources from the online CMUC Seminar on Algebra, Logic and Topology.

Centre for Mathematics

University of Coimbra

Next session

20 October 2026

Giuseppe Metere at 15:00 · Dali Zangurashvili at 16:00
Europe/Lisbon · Google Meet

View forthcoming talks

Past seminars

2026

Lisbon timeGoogle Meet

Soichiro Fujii

National Institute of Informatics, Japan

Nerves of T-categories and powerful T-functors

Lisbon timeGoogle Meet

Zeinab Galal

Research Institute for Mathematical Sciences, Kyoto University, Japan

Coinductive reasoning for parametrized functors and monads

Lisbon timeGoogle Meet

Graham Manuell

Stellenbosch University

Dual presentations of locales

Lisbon timeGoogle Meet

Nicola Gambino

University of Manchester, UK

On the commuting tensor product of symmetric multicategories and their bimodules

Lisbon timeGoogle Meet

Geoffrey Cruttwell

Mount Allison University, Canada

Ehresmann connections in a tangent category

2025

Lisbon timeGoogle Meet

Tom Leinster

The University of Edinburgh, Scotland

Categorical and metric density

Lisbon timeGoogle Meet

Nadja Egner

UCLouvain, Belgium

N-fold groupoids and n-groupoids in regular Mal’tsev categories

Lisbon timeGoogle Meet

James Gray

Stellenbosch University, South Africa

When are exact categories co-exact?

Lisbon timeGoogle Meet

Xabier García-Martínez

Universidade de Santiago de Compostela, Spain

Noncommutative Poisson structure and invariants of matrices

Lisbon timeGoogle Meet

JS Lemay

Macquarie University, Australia

Drazin Inverses in (Dagger) Categories

Lisbon timeGoogle Meet

Anna Laura Suarez

University of the Western Cape, South Africa

A general approach to pointfree T0 spaces

Lisbon timeMicrosoft Teams

Tim Van der Linden

Université catholique de Louvain & Vrije Universiteit Brussel, Belgium

Self-dual aspects of semi-abelian categories

Lisbon timeMicrosoft Teams

Walter Tholen

York University, Canada

Norms for vectors, linear operators and morphisms of categories, and Cauchy convergence for them