R.E. Bixby, Houston, TX, U.S.A., A. Schrijver
S. Fiorini, Brussels, Belgium, L. Stougie
T. Fleiner, Budapest, Hungary, L. Stougie
J.L. Goffin, Montreal, Canada, C. Roos
A. Holder, University of Miss., U.S.A., C. Roos
C.T. Kelley, Raleigh, NC, U.S.A., C. Roos
J.-B. Lasserre, Toulouse, France, M. Laurent
L. Lovász, Redmond, Washington, U.S.A., A. Schrijver
Q. Louveaux, Louvain, Belgium, L. Stougie
X. Lu, Shanghai, China, L. Stougie
A. Marchetti Spaccamela, Rome, Italy, L. Stougie
P.D. Nguyen, Leuven, Belgium, C. Roos
B. Polyak, Moscow, Russia, C. Roos
V. Protassov, Moscow, Russia, J. Brinkhuis, J.B.G. Frenk, E. de Klerk
J. Sgall, Prague, Chzech Republic, L. Stougie
V. Tikhomirov, Moscow, Russia, J. Brinkhuis, J.B.G. Frenk
S. Zhang, Hong Kong, China, J. Brinkhuis, J.B.G. Frenk