The 20th International Symposium on Mathematical Programming will be held Aug. 23-28, 2009 in Chicago. John Birge, University of Chicago, will serve as general chair (john.birge@chicagogsb.edu).

Papers on all theoretical, computational and practical aspects of mathematical programming in one of the following clusters are welcome:

• airline optimization
  
  
• approximation algorithms
  
  
• bioinformatics and optimization
  
  
• combinatorial optimization
  
  
• complementary and variational inequalities
  
  
• constraint logic programming
  
  
• dynamic programming
  
  
• finance and economics
  
  
• game theory
  
  
• generalized convexity/monotonicity
  
  
• global optimization
  
  
• graphs and matroids
  
  
• infinite dimensional programming and optimal control
  
  
• integer and mixed integer programming
  
  
• Leonid Khachiyan memorial
  
  
• linear, cone and semidefinite programming
  
  
• logistics and transportation
  
  
• multicriteria optimization
  
  
• networks
  
  
• nonlinear programming
  
  
• nonsmooth optimization and convex programming
  
  
• online optimization
  
  
• optimization in energy systems
  
  
• optimization in natural resources
  
  
• optimization software and modeling systems
  
  
• production and scheduling
  
  
• robust optimization
  
  
• semi-infinite programming
  
  
• stochastic programming
  
  
• telecommunications