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Detailed schedule
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Show all the abstracts
Show all the abstracts
Thursday 11:00:00 Timetabling in education and sport Room 126 - Chair: G. Vanden Berghe
Thursday 11:00:00 Transportation management Room 130 - Chair: F. Semet
Thursday 11:00:00 Networks Room 138 - Chair: B. Fortz
Thursday 11:00:00 Nonconvex optimization 1 Room 035 - Chair: F. Bach
Thursday 14:00:00 Constraint programming models 1 Room 126 - Chair: Y. Deville
Thursday 14:00:00 Vehicle routing Room 130 - Chair: S. Limbourg
Thursday 14:00:00 Combinatorial optimization and IP applications Room 138 - Chair: Q. Louveaux
Thursday 14:00:00 Nonconvex Optimization 2 Room 035 - Chair: R. Sepulchre
- Discriminative Clustering for Image Co-segmentation
Francis Bach (INRIA - Ecole Normale Superieure)
- Fast Oriented Bounding Box Computation Using Particle Swarm Optimization
Pierre Borckmans (UCL (INMA)) Co-authors: Pierre-Antoine Absil
- The time-optimal helicopter trajectory is a circle segment
Natalya Usotskaya (Maastricht University) Co-authors: A.Berger, A.Grigoriev Abstract: This talk addresses the problem of determining a time-optimal helicopter trajectory between two points in three-dimensional space without any obstacles. The absolute value of the helicopter speed decreases linearly in altitude, i.e., v(y) = max{v* - qy; 0}, where v* is the helicopter velocity at the ground level and q is the velocity loss per one meter altitude. Although intuitively one might think that the optimal trajectory is a straight line, in most of the cases this is not true. We show that the time-optimal trajectory is, in fact, a circle segment. First, we present a simple and intuitive proof of this theorem. Second, using Euler-Lagrange equations, we prove that the derived trajectory is the only time-optimal solution in the class of continuously differentiable trajectories.
- BFO: a simple "brute-force" optimizer
Philippe Toint (Fac. Universitaires Notre-Dame de la Paix)
Thursday 16:10:00 Constraint programming models 2 Room 126 - Chair: P. Schaus
Thursday 16:10:00 Performance modeling Room 130 - Chair: G. Janssens
Thursday 16:10:00 Scheduling Room 138 - Chair: K. Sorensen
Thursday 16:10:00 Planning under uncertainty Room 035 - Chair: R. Leus
Friday 09:00:00 Metaheuristics Room 126 - Chair: J. Teghem
Friday 09:25:00 Production and distribution (9:25) Room 130 - Chair: Y. Arda
Friday 09:00:00 Multiple criteria Room 138 - Chair: R. Bisdorff
Friday 09:25:00 Stochastic models (9:25) Room 035 - Chair: L. Esch
Friday 11:00:00 Constraint programming and Supply Chain Management Room 126 - Chair: Y. Deville
Friday 11:00:00 OR in health management Room 130 - Chair: P. De Causmaecker
Friday 11:00:00 Rankings and importance indices Room 138 - Chair: JL. Marichal
Friday 11:00:00 Queueing Room 035 - Chair: S. Wittevrongel
Friday 15:10:00 Optimization software Room 126 - Chair: E. Loute
Friday 15:10:00 Integrated operations planning Room 130 - Chair: B. Raa
Friday 15:10:00 Cycles in graphs Room 138 - Chair: F. Spieksma
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