Analysis on Graphs and its Applications: Research programme at the Isaac Newton Institute, Cambridge, UK; 8 January - 29 June 2007.
Aveiro Workshop on Graph Spectra: Aveiro, Portugal; 10--12 April 2006.
MIGHTY XLII: Midwest Graph Theory Conference. Ohio State University Marion Campus, OH,USA; 28--29 April 2006.
Random Graphs and Large-Scale Real-World Networks: Research program at the Institute for Mathematical Sciences, National University of Singapore; 1 May -- 30 June 2006.