Computing: the Australian Theory Seminar (CATS) Sydney 17th-19th December, 1994 PRELIMINARY ANNOUNCEMENT CATS will be open to all aspects of the theory of computer science. It will provide an opportunity for the scattered community of computing theorists in Australia and New Zealand to meet and exchange views in an informal setting. The following people have already expressed an interest in coming. Robin Cockett (Calgary) Eugenio Moggi (Genoa) Maurice Nivat (France) Phil Wadler (Glasgow) The format would be informal, with an easy balance between lectures and discussions: registration costs will be kept low. Please reply NOW if you are interested in coming. Further details will be supplied when approximate numbers can be gauged. Please distribute this announcement widely. Barry Jay University of Technology, Sydney Australia cbj@socs.uts.edu.au