1. Optimal sensitivity based on IPOPT

   • Hans Pirnay
   • Rodrigo López-Negrete
   • Lorenz T. Biegler

   Full Length Paper 20 June 2012 Pages: 307 - 331

2. Solving a low-rank factorization model for matrix completion by a nonlinear successive over-relaxation algorithm

   • Zaiwen Wen
   • Wotao Yin
   • Yin Zhang

   Full Length Paper 13 July 2012 Pages: 333 - 361

3. Maximum-weight stable sets and safe lower bounds for graph coloring

   • Stephan Held
   • William Cook
   • Edward C. Sewell

   Full Length Paper 25 May 2012 Pages: 363 - 381

4. A comparative study of SQP-type algorithms for nonlinear and nonconvex mixed-integer optimization

   • Oliver Exler
   • Thomas Lehmann
   • Klaus Schittkowski

   Full Length Paper 05 August 2012 Pages: 383 - 412