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Invited Talks and Presentations

Adwords and Generalized Online Matching [ppt]
New York University (November 2006), Johns Hopkins University (October 2006), UC Santa Cruz (October 2005), Univ. of Wisconsin Madison (August 2005), Yahoo! Research (July 2005), Amazon.com (May 2005), Cornell University (April 2005), University of Toronto (April 2005).
Design is as easy as Optimization [ppt]
Bay Area Theory Seminar IBM Almaden (November 2006), DIMACS-Princeton Mixer (November 2006), MIT Algorithms Seminar (October 2006), Georgia Tech ACO Colloquium (September 2006), Stanford Theory lunch (April, 2006).
The Spectrum of Symmetric Boolean Functions (Learning Symmetric k-Juntas
 in time n^{o(k)}) [ppt]
UC Berkeley Theory Seminar (April, 2006).
Randomized Truthful Auctions of Digital Goods are Randomizations over Truthful Auctions [ppt]
First Bertinoro Workshop on Algorithmic Game Theory, Bertinoro, Italy (July 2004); Aladdin Workshop on Auction Theory and Practice, Carnegie Mellon University (November 2003).