Invited Talks

1. Bar-Yehuda, R. Dagstuhl Seminar 9734, Combinatorial Approximation Algorithms, ISSN 0940-1121, Schloss Dagstuhl, Wadern, Germany, August 18-22, 1997.
2. Bar-Yehuda, R. LP Rounding using Fractional Local Ratio XIX International Symposium on Mathematical Programming From July 30th to August 04th of 2006 UFRJ - Federal University of Rio de Janeiro