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2009
November 24, 15:00
Tim Van der Linden
(CMUC/Mat. FCTUC)
Remarks on two commutators
November 10, 15:00
Jirí Adámek
(TU Braunschweig, Germany)
What are sifted colimits?
October 27, 15:30
Ignacio Lopez Franco
(CMUC/Mat. FCTUC)
TBA
October 27, 14:30
Tim Van der Linden
(CMUC/Mat. FCTUC)
Relative commutator theory and the associator of loops
September 22, 15:45
Nelson Martins-Ferreira
(CDRSP/IPLeiria)
The equivalence between groupoids and crossed modules from a categorical point of view, with application in the case of groups
September 22, 14:30
Maria Manuel Clementino
(CMUC/Mat. FCTUC)
Local homeomorphisms in monadic categories
July 21, 14:30
Bernhard Banaschewski
(McMaster University, Canada)
On the representation of archimedean f-rings: extended versus pointfree functions
May 12, 16:00
Julia Goedecke
(Centre for Mathematical Sciences, Univ. Cambridge, UK)
Satellites in semi-abelian categories
April 27, 14:30
Benjamin Steinberg
(Carleton Univ., Canada)
A groupoid approach to discrete inverse semigroup algebras
February 10, 15:00
Nelson Martins-Ferreira
(CDRSP/IPLeiria)
Star-multiplicative graphs in pointed protomodular categories
February 10, 14:00
Björn Gohla
(Mat. FCTUC)
Categorical Groups