International Conference on Optimization and Optimal Control, August 13-17, 2002, Ulaanbaatar, Mongolia,
    website:
    http://www.worldscibooks.com/mathematics/5386.html/
The Second International Conference on Optimization and Optimal Control, July 17-20, 2007, Ulaanbaatar, Mongolia,
    website:
    http://www.ise.ufl.edu/cao/cooc2007

The International Conference on Optimization, Simulation and Control, July 25-28, 2010 Ulaanbaatar , Mongolia ,

website: http://www.ise.ufl.edu/cao/cosc2010/