Some readers of this list may be interested in the following session of the upcoming Philosophy of Science Association meeting in Montreal: Symposium: Category Theoretical Reflections on the Foundations of Physics Saturday, November 6, 1:30-3:45 PM Speakers: Bob Coecke (Oxford University), “Quantum Picturalism” Klaas Landsmann (Radboud University), “Topos Theory and the Copenhagen Interpretation of Quantum Mechanics” Jeffrey Morton (University of Western Ontario), “Groupoidification in Physics” Gonzalo Reyes (University of Montreal), “From Laws of Motion to Vacuumfield Equations” The meeting takes place at the Hyatt Regency Montreal. Detailed information can be found on the meeting website: http://www.philsci.org/meetings/psa2010/index.html Feel free to contact the session organizers, Hans Halvorson and Steve Awodey, for further information. [For admin and other information see: http://www.mta.ca/~cat-dist/ ]