UNION COLLEGE MATHEMATICS CONFERENCE Saturday and Sunday November 8-9, 2003 This is an updated announcement for the eleventh Union College Mathematics Conference. This year the conference topics are category theory, algebraic topology, and differential geometry. The plenary speakers for the conference are: Andre Joyal, UQAM Claude LeBrun, SUNY Stony Brook Ulrike Tillmann, Oxford University There will also be shorter contributed talks in parallel sessions. Anyone interested in giving such a talk should indicate this on the registration form on the conference website (see URL below). The deadline for abstract submission is October 17th. The registration deadline is October 24th. For more information about the conference, including registration, submission of abstracts, housing and transportation, please visit our website at: http://www.math.union.edu/~leshk/03Conference/ We hope to see you in November! ORGANIZERS Category Theory Susan Niefield niefiels@union.edu Kimmo Rosenthal rosenthk@union.edu Algebraic Topology Brenda Johnson johnsonb@union.edu Kathryn Lesh leshk@union.edu Differential Geometry Christina Tonnesen-Friedman tonnesec@union.edu