You may also consider participation at the Midsummer Combinatorial Workshop, July 28 - August 1 in Prague.
Link to the first workshop in 2001.
Martin Tancer (general questions): tancer@kam
Martin Balko (travelling related issues with CC to Martin T.): balko@kam
@kam stands for (at)kam(dot)mff(dot)cuni(dot)cz
Organizers: Martin Balko, Imre Bárány, Jiří Matoušek, Martin Tancer, and Pavel Valtr
(Picture by Huhulenik; see this page for the copyright.)