Conference Announcement: Algebraic Topological Methods in Computer Science, II Department of Mathematics University of Western Ontario London, Ontario, Canada July 16-20, 2004 This is the second installment of a conference series; the first was held at Stanford University in the summer of 2001. The main areas to be covered by this conference include computational geometry and topology, networks and concurrency theory. The meeting will consist of twenty invited lectures, with additional sessions for shorter lectures. The following mathematical scientists have been invited to speak: Saugata Basu (Georgia Tech) Marshall Bern (Xerox PARC) Herbert Edelsbrunner (CS, Duke) Robin Forman (Rice) Eric Goubault (Commissariat a l'Energie Atomique, France) Joel Hass (Math, UC Davis) Maurice Herlihy (CS, Brown) Kathryn Hess (Lausanne) Michael Joswig (Berlin) Reinhard Laubenbacher (Virginia Bioinformatics Institute) Martin Raussen (Aalborg) Vin de Silva (Stanford) Michael Stillman (Cornell) This conference has been funded by grants from the National Science Foundation and the Fields Institute. All conference announcements and information will be available at the web page http://www.math.uwo.ca/~jardine/at-csII.html. The organizers for this meeting are: Gunnar Carlsson, gunnar@math.stanford.edu Rick Jardine, jardine@uwo.ca