Conference on ``High Performance Algorithms and Software for Nonlinear Optimization,'' Erice, Italy, July 2001.
7th US-Mexico Workshop in Numerical Analysis, Merida, Mexico, January 2001 (Conference Organizer, Contributed Talk)
First SIAM Conference on Computational Science and Engineering, Washinton, DC, September 2000 (Minisymposium organizer and speaker)
17th International Symposium on Mathematical Programming, Atlanta, Georgia, August 2000 (Invited Minisymposium talk)
SIAM National Meeting, Puerto Rico, July 2000 (Organized Minisymposium and gave talk)
Systems Modeling and Optimization Conference, Cambridge, England, July 1999, (Contributed talk)
6th SIAM Conference on Optimization, Atlanta, May 1999, (Contributed talk)
Optimization '98, Coimbra, Portugal, July 1998, (Organized invited session and gave talk)
16th International Symposium on Mathematical Programming, Lusanne, Switzerland, August 1997, (Contributed talk)