Saturday 22
9.00-9.50	Bill Lawvere Toposes and Continuum Microphysics
10.00-10.25	Dominique Bourn 3x3 lemma and protomodularity
10.30-11.00	coffee break
11.00-11.25	Ronnie Brown Constructing free crossed resolutions for some graphs of groups
11.30-11.55	Maurizio Citterio Classifying Spaces of Categories and Term Rewriting
13.00-14.30	lunch break