CATEGORY THEORY 1991: SECOND ANNOUNCEMENT June 23-30, 1991 McGill University, Montreal, Canada INVITED SPEAKERS The following invitees have agreed to speak: S. Abramsky, A. Carboni, J. Isbell, J. Jardine,F. Lamarche, G. Meloni, E. Moggi, J. Pelletier, A. Pitts, R. Street, V. Trnkova, R. Wood . ABSTRACTS If you wish to give a talk, you must submit an abstract no later than March 15, l99l. Abstracts may be sent by mail, email, or fax to the address given below. The scientific committee will announce a list of speakers by May 1. ACCOMMODATIONS Private dorm rooms are available at a cost of $32 Canadian per night for professors and $100 a week for students. Family members are welcome. Hotel rooms are also available at $85-$120 per night for a single or double room. Please make your reservation with us no later than May 1, indicating the type of accommodation required and approximate dates of arrival and departure. We will need a deposit for one night's accommodation. REGISTRATION FEE The conference fee will be $150 Canadian ($50 for students). After May 1, there will be an additional late registration fee of $25. PAYMENT Payment may be made by check, money order, or bank draft in Canadian or American dollars (at current exchange rates) to "Category Theory 1991". Please mail your registration fee and deposit for accommodations to us at the address given below. INFORMATION If you need further information, please contact us at the address given below. CATEGORY THEORY 1991 Email: mt16@musica.mcgill.ca Math Dept, McGill University Fax: (1-514) 398-3899 805 Sherbrooke St W Tel: (1-514) 398-3806 Montreal, Quebec CANADA H3A 2K6