Dear Colleagues: The annual winter meeting of the Canadian Mathematical Society is being held this year in Ottawa, Ontario, December 11- 13. I was asked to organize one of the special sessions, entitled Categorical Logic and Theoretical Computer Science. The speakers and titles are: M. Barr: Pontrjagin Duality Revisited A. Blass: Geometric Morphisms R. Cockett: Categorical Recursion Theory P. Freyd: tba A. Joyal: Completion of Categories and Communication Games M. Makkai: Contributions to the Theory of Doctrines. R. Pare: Dinatural Numbers. A. Pitts (Plenary Speaker): Category Theory and the Semantics of Programming Languages. R. Rosebrugh: Functorial Aspects of Relational Databases. A. Scedrov: Relators R. Seely: Coherence of Bimonoidal Categories In case anyone is thinking of coming, I enclose some hotel data. The fee schedule, other technical information about the meeting, other special sessions, etc. are available in the CMS Notes (September issue), or you can contact me. Fees are cheaper if you register soon. Philip J. Scott Dept. of Mathematics University of Ottawa 585 King Edward Ottawa, Ont. Canada K1N 6N5 e-mail: scpsg@acadvm1.uottawa.ca FAX: 613-564-3822 --------------------------------------------------------- THE MEETING The meeting is being held in the Westin Hotel, a somewhat upscale hotel in downtown Ottawa, connected to Rideau Centre Mall. There are lots of shops and restaurants in the mall and no need to wear heavy clothes if you stay indoors. Rideau Mall is right downtown (but, for walkers, December weather can be quite unpredictable). For American visitors: all prices quoted are CANADIAN DOLLARS, currently 75 cents U.S. Hotels: Westin Hotel (1-800-228-3000): Conference Centre. Winter Canadian Math Society (CMS) prices: $99.00 Can. (single), $109.00 Can. (double) per night. Make sure you get the CMS prices. The following hotels/BB are very close by (note the Novotel and B & B below): NOVOTEL (1-800-221-4524): across the street from the Rideau Centre: 2 minutes walk to the Westin. Not as fancy as the Westin, but modern. I got a SPECIAL PRICE for rooms: (must be booked before Nov. 10: Ask for Canadian Math. Society rate: Jim Tanguay, Manager) $75.00 Can. (single or double) per night. LES SUITES (1-800-267-1989): Executive Apartment Suites. These have full apartments, and are brand new. Across the street from Rideau Centre, next door to Novotel. Weekend Specials: 1 bedroom apartment: $85.00 Can. per night. 2 bedroom apartment: $125.00 Can. per night. B&B: Gasthouse Switzerland: (613-237-0335) A European-run Bed and Breakfast. About 3 minute walk to Rideau Centre, less than 5 minutes to the Westin hotel. $58.00 single room, with breakfast and private bath. $68.00 double room, with breakfast and private bath. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++