Editors-in-Chief

Managing and Co-Managing Editors

Advisory Board

R. L. Graham University of California San Diego La Jolla, CA 92093-0114 USA	András Hajnal Rutgers University New Brunswick NJ 08903 USA	G. O. H. Katona Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY
Miklós Simonovits Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY	Vera T. Sós Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY

Board of Editors

Noga Alon Tel Aviv University 69978 Tel Aviv Israel	Imre Bárány Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY	József Beck Rutgers University New Brunswick NJ 08903 USA
Anders Björner Royal Inst. of Technology S-10044 Stockholm Sweden	Aart Blokhuis Eindhoven Univ. of Technology P.O.Box 513 5600 MB Eindhoven The Netherlands	Béla Bollobás Department of Mathematical Scineces The University of Memphis Memphis, TN 38152 USA
Peter J. Cameron Queen Mary College London E1 4NS England	Peter Frankl University of Paris VI 2 Place Jussieu Paris 75005 France	Zoltán Füredi University of Illinois at Urbana-Champaign Urbana IL 61801 USA
C. D. Godsil Dept of Comb. and Opt. University of Waterloo Waterloo, Ontario N2L 3G1 Canada	W.T. Gowers  Centre for Mathematical Sciences Wilberforce Road, Cambridge CB3 0WB, UK	A. A. Ivanov Imperial College London, SW7 2BZ UK
Maria M. Klawe University of British Columbia Vancouver B. C. V6T 1W5 Canada	F. Thomson Leighton M. I. T. Cambridge, MA 02139 USA	Wolfgang Mader Universität Hannover Welfengarten 1, D-30167 Hannover F.R.G.
G. A. Margulis Yale University New Haven, CT 06520 USA	Jaroslav Nesetril Dept of Applied Mathematics Charles University 11800 Praha Czech Republic	Noam Nisan Hebrew University 91904 Jerusalem Israel
János Pach Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY	Christos Papadimitriou Computer SCience Division University of California at Berkeley Berkeley, CA  94720 USA	Alexander A. Razborov Steklov Mathematical Institute 117966 Vavilova 42 Moscow Russia
Vojtech Rödl Emory University Atlanta, GA 30322 USA	Imre Z. Ruzsa Alfréd Rényi Institute of Mathematics Hungarian Academy of Sciences Budapest P.O.Box 127 H-1364 HUNGARY	Michael Saks Rutgers University New Brunswick NJ 08903 USA
Paul D. Seymour Department of Mathematics Princeton University Princeton, NJ 08544 USA	N. J. A. Sloane At&T Labs-Research PO Box 971, 180 Park Ave Florham Park, NJ 07932-0971 USA	Joel Spencer Courant Institute 251 Mercer St New York, NY 10012 USA
László A. Székely Department of Mathematics USC LeConte College Columbia SC 29208 USA	Endre Szemerédi Rutgers University New Brunswick NJ 08903 USA	Tamás Szõnyi Department of Computer Science Eötvös University Budapest H-1117 Hungary
Éva Tardos Cornell University Ithaca, NY 14853 USA	Carsten Thomassen Mathematical Institute, Bld. 303 Technical University of Denmark DK-2800 Lyngby Denmark	Günter M. Ziegler Fachbereich Mathematik, MA 7-1 Technische Universität Berlin Str. des 17. Juni 136 D-10623 Berlin, Germany