Hi Yannis: thank you very much for your detailed feedback. http://www.ccs.neu.edu/research/demeter/seminar/1998/feb17 trav-theory.ps add-on.txt contain a partial discussion of your response also in connection with work done in Toronto by Alberto Mendelzon. In summary, I agree with your remarks except that the asymmetry of strategies I view as a positive feature. More to follow. -- Karl =================== In http://www.ccs.neu.edu/research/demeter/design-decisions/related-work/yannis-fee dback.ps is a detailed response by Yannis Smaragdakis to both algorithmic and conceptual issues about strategies.