Seminars of the

           CENTRE de RECHERCHE en THEORIE des CATEGORIES
                 CATEGORY THEORY RESEARCH CENTER

                       C  --------->  R

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                       v   /          v

                       T  --------->  C


18 March 2008 
2:30 - 4:00   M. Makkai 
Rearranging colimits: a lemma due to, and used for model categories
by, Jacob Lurie 

25 March 2008 
2:30 - 4:00   M. Makkai 
The basics of operads, with special emphasis of cyclic operads

1 April 2008 
2:30 - 4:00   M. Makkai 
The basics of operads, with special emphasis of cyclic operads II

15 April 2008 
2:30 - 4:00   J. Lambek 
The radical approach to infinitesimals in historical perspective

29 April 2008 
2:30 - 4:00   J. Egger 
Cyclic star-autonomous categories and symmetric Frobenius algebras

13 May 2008 
2:30 - 4:00   M Barr 
Z-compact topological abelian groups 
[Abstract on webpage]

16 September 2008 
2:30 - 4:00   Eduardo Dubuc 
Hakim duality for mv-algebras
[Abstract on webpage]

23 September 2008
2:30 - 4:00  Victor Harnik
Computads and multitopic sets: two ways of specifying cells in higher
dimensional categories
[Abstract on webpage]

30 September 2008
2:30 - 4:00  Brendan Cordy
Constructing Final Coalgebras with Modal Logic
[Abstract on webpage]

4 & 5 October 2008 Octoberfest (at Concordia U)

7 October 2008
2:30 - 4:00  Michael Makkai
Revisiting bicategories: a prelude to revisiting tricategories

21 October 2008
2:30 - 4:00  Gavin Seal
Order-adjoint monads
[Abstract on webpage]

28 October 2008
4:10 - 5:10   Michael Barr
Duality of Z-groups
[Abstract on webpage]

4 November 2008 
(3:30 - 4:00   Coffee) 
4:00 - 5:10   Jiri Rosicky 
Generalized Brown representability 

11 November 2008 
(3:30 - 4:00   Coffee) 
4:10 - 5:10   Michael Barr 
Duality of Z-groups II 
[Abstract on webpage] 

18 November 2008 
2:00 - 3:30   P Scott 
Geometry of Interaction I 
3:30 - 4:00   Coffee 
4:00 - 5:30   W. Burgess & R Raphael 
Clean Rings 

25 November 2008 
2:00 - 3:30   P Scott 
Geometry of Interaction II 
3:30 - 4:00   Coffee 
4:00 - 5:30   Claudio Hermida 
Coherence for Lax and Pseudo-algebras revisited: Universality

2 December 2008 
2:30 - 4:00   Michael Makkai 
Structures on the straight (=strict; ordinary) category of
bicategories (following on the footsteps of Andre Joyal, Steve Lack,
and others) 

9 December 2008
2:30 - 4:00   I Ivanov
Model of Linear Logic based on von Neumann modules
[Abstract on webpage]