1. A Study of Preconditioners for Network Interior Point Methods

   • Joaquim J. Júdice
   • João Patricio
   • Geraldo Veiga

   OriginalPaper Pages: 5 - 35

2. Multiple Cuts with a Homogeneous Analytic Center Cutting Plane Method

   • Olivier Péton
   • Jean-Philippe Vial

   OriginalPaper Pages: 37 - 61

3. Postponing the Choice of Penalty Parameter and Step Length

   • Fernando R. Villas-Bôas
   • Clovis Perin

   OriginalPaper Pages: 63 - 81

4. A Solution Method for a Special Class of Nondifferentiable Unconstrained Optimization Problems

   • B. Luderer
   • J. Weigelt

   OriginalPaper Pages: 83 - 93

5. Portfolio Selection and Transactions Costs

   • Michael J. Best
   • Jaroslava Hlouskova

   OriginalPaper Pages: 95 - 116

6. Exploiting Intermediate Sparsity in Computing Derivatives for a Leapfrog Scheme

   • Christian H. Bischof
   • H. Martin Bücker
   • Po-Ting Wu

   OriginalPaper Pages: 117 - 133

7. A Comparison of Evolution Strategies with Other Direct Search Methods in the Presence of Noise

   • Dirk V. Arnold
   • Hans-Georg Beyer

   OriginalPaper Pages: 135 - 159