1 Aug 18   John Power           Gordon Plotkin 
 2 Aug 22   john baez            duality in 2-categories 
 3 Aug 27   Michael Barr         distributivity 
 4 Aug 27   Michael Barr         Top\op is a quasi-variety 
 5 Aug 29   Thomas Streicher     Partial Topos 
 6 Aug 30   Andreas Blass        re: distributivity
 7 Aug 30   Richard Wood         Re: distributivity