Category Theory Seminar


November 19, 2005

09.00 - 09.50 Split extension classifier and centrality
Dominique Bourn (Université du Littoral Côte d'Opale, France)

10.00 - 10.25 A deduction system for orthogonality                           
Lurdes Sousa (IP Viseu and CMUC, Portugal)

10.30 - 11.00

Coffee Break

11.00 - 11.25 Radicals and closure operators in normal categories
Maria Manuel Clementino (Univ. of Coimbra and CMUC, Portugal)

11.30 - 11.55 Suplattices over Q are precisely Q-modules
Isar Stubbe (CMUC, Portugal)

12.00 - 12.50 External derivations of internal groupoids
Enrico Vitale (Université Catholique de Louvain, Belgium)





Room 5.5, Mathematics Department, University of Coimbra

Support: Centro de Matemática da Universidade de Coimbra / FCT
              Departamento de Matemática da Universidade de Coimbra