FIRST ANNOUNCEMENT OF CT2009 AT CAPE TOWN Dear Colleagues, As many of you know from several preliminary announcements, The International Conference in Category Theory CT2009 will be held at the University of Cape Town (South Africa) during the week June 29-July 4 of 2009, which is approved by International Steering Committee in Category Theory. The conference will be dedicated to Saunders Mac Lane, who would turn 100 years old on 4 August 2009. INVITED SPEAKERS: Dominique Bourn Marino Gran Peter T. Johnstone F. William Lawvere Ross H. Street Walter Tholen SCIENTIFIC COMMITTEE: Jiri Adamek Dominique Bourn Marino Gran Marco Grandis George Janelidze Peter T. Johnstone Stephen Lack A. John Power Manuela Sobral Ross H. Street Walter Tholen Richard J. Wood Each member of this committee will choose 30 min and 15 min talks for a particular section (although for the first two sections it will be teams of four and three respectively) as follows : GENERAL CATEGORY THEORY: D. Bourn, M. Gran, G. Janelidze, M. Sobral TWO-DIMENSIONAL CATEGORICAL ALGEBRA: S. Lack, A. J. Power, R. J. Wood MONOIDAL AND HIGHER DIMENSIONAL CATEGORIES: R. H. Street TOPOS THEORY AND POINTFREE TOPOLOGY: P. T. Johnstone CATEGORICAL TOPOLOGY - Section dedicated to G. C. L. Brummer's 75th Birthday: W. Tholen HOMOTOPICAL ALGEBRA - Section dedicated to K. A. Hardie's 80th Birthday: M. Grandis APPLICATION OF CATEGORIES IN PHYSICS AND COMPUTER SCIENCE: J. Adámek ORGANIZING COMMITTEE: Dharmanand Baboolal Bruce Bartlett Guillaume C. L. Brummer Themba Dube John L. Frith Partha Pratim Ghosh Christopher R. A. Gilmour James R. A. Gray Keith A. Hardie David Holgate George Janelidze Tamar Janelidze Zurab Janelidze Hans-Peter A. Kunzi Zechariah Mushaandja Inderasan Naidoo Peter Ouwehand Ingrid Rewitzky Anneliese Schauerte Peter J. Witbooi This large committee includes almost everyone from the Universities of Cape Town, Stellenbosch, KwaZulu-Natal, Western Cape, South Africa (UNISA), and Witwatersrand, working or interested in category theory, from senior professors to PhD students. The website of the conference with all relevant information will be made before December 2008. George Janelidze