EUROPEAN COLLOQUIUM on CATEGORY THEORY in Tours (France) July 25-29 1994 ---- ECCT ---- FIRST ANNOUNCEMENT (APRIL 20 1994) A European Colloquium on Category Theory (ECCT) will be held in TOURS (France) from July 25th to July 29th, the week before the International Congress of Mathematics in Z\"urich, under the honorary presidency of Professor Saunders MacLane, with Samuel Eilenberg as guest star. Mathematicians foreseeing to be present in Europe at that time who whish to attend or participate are most welcome to pre-registe in order to receive pertaining information. Paper may still be submitted for a limited period not exceeding June 1st. The scientific committee is composed of : J. Adamek (Prague); J. B\'enabou (Paris); F. Borceux (Louvain); A. Carboni (Genova); P. Damphousse (Tours); Y. Diers (Valenciennes); R. Guitart (Paris); J. Gray (Urbana); H. Herrlich (Bremen); P. Johnstone (Cambridge); M. Kelly (Sidney); I. Moerdijk (Utrecht); G. Reyes (Montreal). To pre-register, you must proceed as follows: send an e-mail to ECCT-request@univ-tours.fr, with the following line in the body of the message (with no subject in this e-mail): SUBSCRIBE For any further information, contact Pierre Damphousse at damphous@univ-tours.fr (Note : due to construction works, the computer center at the above address will close from april 25 to april 28.)