Erdős Lectures: Prof. Imre Bárány (Alfréd Rényi Mathematical Institute) Thu, 27/11/2003 to Sat, 29/11/2003
Erdős Lectures: Prof. János Pach & Prof. Joel Spencer (Courant Institute, N.Y.U.) Thu, 20/05/2004 to Fri, 21/05/2004
Erdős Lectures: Prof. Günter M. Ziegler (Freie Universität Berlin) Tue, 22/03/2011 to Thu, 24/03/2011