Ekkehard W. Sachs is a Professor in the Departments of Mathematics at the University of Trier, Germany, and Virginia Tech, USA. He is also a member of the Interdisciplinary Center of Applied Mathematics (ICAM) at Virginia Tech.Rainer Tichatschke is a Professor in the Department of Mathematics at the University of Trier, Germany.

• Invited Speakers.- On Approximate Robust Counterparts of Uncertain Semidefinite and Conic Quadratic Programs.- Global Convergence of a Hybrid Trust-Region SQP-Filter Algorithm for General Nonlinear Programming.- Some Aspects of Nonlinear Semidefinite Programming.- Implicit Filtering and Nonlinear Least Squares Problems.- Data Mining via Support Vector Machines.- Properties of Oligopolistic Market Equilibria in Linearized DC Power Networks with Arbitrage and Supply Function Conjectures.- Risk Control and Optimization for Structural Facilities.- Probability Objectives in Stochastic Programs with Recourse.- Contributed Papers.- Parametric Sensitivity Analysis: A Case Study in Optimal Control of Flight Dynamics.- Solving Quadratic Multicommodity Problems through an Interior-Point Algorithm.- Stability and Local Growth near Bounded-Strong Optimal Controls.- Graph Isomorphism Algorithm by Perfect Matching.- A Reduced SQP Algorithm for the Optimal Control of Semilinear Parabolic Equations.- On Numerical Problems Caused by Discontinuities in Controls.- Solutions Differentiability of Parametric Optimal Control for Elliptic Equations.- Shape Optimization for Dynamic Contact Problems with Friction.- Optimal Shape Design Using Domain Transformations and Continuous Sensitivity Equation Methods.- Adjoint Calculation Using Time-Minimal Program Reversals for Multi-Processor Machines.

Ekkehard W. Sachs is a Professor in the Departments of Mathematics at the University of Trier, Germany, and Virginia Tech, USA. He is also a member of the Interdisciplinary Center of Applied Mathematics (ICAM) at Virginia Tech.Rainer Tichatschke is a Professor in the Department of Mathematics at the University of Trier, Germany.

• Invited Speakers.- On Approximate Robust Counterparts of Uncertain Semidefinite and Conic Quadratic Programs.- Global Convergence of a Hybrid Trust-Region SQP-Filter Algorithm for General Nonlinear Programming.- Some Aspects of Nonlinear Semidefinite Programming.- Implicit Filtering and Nonlinear Least Squares Problems.- Data Mining via Support Vector Machines.- Properties of Oligopolistic Market Equilibria in Linearized DC Power Networks with Arbitrage and Supply Function Conjectures.- Risk Control and Optimization for Structural Facilities.- Probability Objectives in Stochastic Programs with Recourse.- Contributed Papers.- Parametric Sensitivity Analysis: A Case Study in Optimal Control of Flight Dynamics.- Solving Quadratic Multicommodity Problems through an Interior-Point Algorithm.- Stability and Local Growth near Bounded-Strong Optimal Controls.- Graph Isomorphism Algorithm by Perfect Matching.- A Reduced SQP Algorithm for the Optimal Control of Semilinear Parabolic Equations.- On Numerical Problems Caused by Discontinuities in Controls.- Solutions Differentiability of Parametric Optimal Control for Elliptic Equations.- Shape Optimization for Dynamic Contact Problems with Friction.- Optimal Shape Design Using Domain Transformations and Continuous Sensitivity Equation Methods.- Adjoint Calculation Using Time-Minimal Program Reversals for Multi-Processor Machines.