FIRST ANNOUNCEMENT-Octoberfest 2011 * * * The Category Theory "Octoberfest" is an annual workshop, traditionally held in October, bringing together researchers in category theory and its applications. This year's meeting will be hosted in the Department of Mathematics and Statistics at The University of Ottawa, in Ottawa, Ontario. The scientific program starts on October 22, and consists of one and a half days of research talks. Research talks If you wish to give a talk please send a title and abstract to one of the organizers, listed below. Time slots are limited, so please register early if you would like to be considered for a talk. Accommodations To be announced. Registration If you would like to attend the meeting, please register by emailing one of the organizers. There will be a small on-site registration fee to cover workshop costs. Previous meetings Recent Category Theory Octoberfest meetings were held at Dalhousie (2010), Carnegie Mellon (2009), Concordia (2008), Ottawa (2006 and 2005), McGill (2004). Organizers: Rick Blute: rblute (at) uottawa.ca Pieter Hofstra: phofstra (at) uottawa.ca Phil Scott: phil (at) site.uottawa.ca [For admin and other information see: http://www.mta.ca/~cat-dist/ ]