This is a Final Call for Participation for MFPS XXVI (Mathematical Foundations of Programming Semantics), to be held at the University of Ottawa, May 6-10 2010. The meeting is partially sponsored by the US Office of Naval Research and by the Fields Institute. Information on the aims and scope of the conference, as well as information about this year's meeting can be found at: http://www.math.tulane.edu/~mfps/mfps26 This site contains the program for the meeting, including the list of accepted papers, the titles and abstracts of talks by invited speakers, tutorial speakers, and information about special sessions. The program also includes a special session of short presentations by graduate students. Further updates, including details about these talks will be posted on the Tulane web site as they become available. Registration for the meeting can be done online at the Fields Institute web site: http://www.fields.utoronto.ca/programs/scientific/09-10/MFPS26/ Accommodation: we reserved blocks of rooms at several hotels near campus, as well as in the university residence. It's important to make a reservation as soon as possible to secure a room, since the blocks have expired and the rooms are now available to the general public. You will find more information on the local web page: http://aix1.uottawa.ca/~mwarren/MFPS/index.html If you have any questions please do not hesitate to contact one of the organizers listed below, or reply to this email. Best regards, Mike Mislove (Member, Organizer Committee) Peter Selinger (Program Chair) Rick Blute, Michael Warren, Phil Scott (Local Arrangements Committee) MFPS mfps@math.tulane.edu [For admin and other information see: http://www.mta.ca/~cat-dist/ ]