Talks
‘’Universal augmentation schemes for network navigability - overcoming the $\sqrt{n}$-barrier’', SPAA’07, San Diego CA, USA, June 2007.
‘’On augmented graphs navigability’', Bertinoro workshop on adversarial modelling and analysis of communication networks, Bertinoro, Italia, November 2006.
‘’Not all graphs can be augmented to become small worlds’', COST295 DYNAMO meeting, Stockholm, Sweden, September 2006.
‘’Towards small world emergence’', SPAA 2006, Cambridge MA, USA, August 2006.
‘’Could any graph be turned into a small world?'', DISC 2005, Krakow, Poland, September 2005.
 '’Routing algorithms and random models for small world graphs'', seminar of CWI, Amsterdam, Netherlands, December 2005.
 ''Modeling small-worlds and their routing properties'' Part 1, Part 2, Part 3, three courses on small worlds for the Valparaiso Summer School on complex systems, Valparaiso, Chile, January 2005.
"Close to optimal decentralized routing in long range contact networks", ICALP'04, Turku, Finland, July 2004.
"Sandwich problems for Posets", Eurocomb'03, Praha, Czek Republic, December 2003.