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Research Topics Optimization Group at University of Turku Marko M. Mäkelä University of Turku Department of Mathematics
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Optimization Group Leader: - Marko M. Mäkelä Researchers: - Stefan Emet - Yury Nikulin - Napsu Karmitsa Ph.D. Students: - Olga Karelkina - Seppo Pulkkinen - Ville-Pekka Eronen M.Sc. Students: - Jarmo Heinonen - Katariina Vaviolahti - Teemu Linkosaari
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Research topics Theory: •Nonsmooth and Nonconvex Analysis (Mäkelä, Karmitsa, Eronen + A. Bagirov, Ballarat, Australia) •Geometrical Optimality Conditions for Nonconvex Multiobjective Optimization (Mäkelä, Nikulin) •Generalized Trade-Offs in Nonsmooth Multiobjective Optimization (Mäkelä, Nikulin + J. Mezei, ÅA) •Scalarizing Functions for Nonlinear Multiobjective Optimization (Nikulin, Mäkelä + K. Miettinen, JY) •Sensitivity Analysis and Robust Optimization (Nikulin, Mäkelä) •Stability Analysis for Discrete Multicriteria Optimization (Karelkina, Nikulin, Mäkelä)
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Methods: •Limited Memory Bundle Methods for Large-Scale Nonsmooth Optimization (Karmitsa, Mäkelä + M. Ali, Johannesburg, South Africa) •Interior Point Cutting Plane Methods for Nonsmooth Optimization (Karmitsa + J. Herskovits, M. Tanaka, Rio de Janeiro, Brazil) •Derivate Free Methods for Highly Nonconvex Optimization (Pulkkinen, Mäkelä, Karmitsa + A. Bagirov, Ballarat, Australia) •Nonsmooth and Global MINLP Methods (Eronen, Mäkelä, Emet + T. Westerlund, ÅA) •Pareto Simulated Annealing and Evolutionary Optimization Techniques (Eronen, Nikulin, Mäkelä + A. Drexl, Kiel, Germany)
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Applications: •Multicriteria Flight Gate Scheduling (Nikulin + A. Drexl, Kiel, Germany) •Modelling and Routing Ferry Services of the Turku Archipelago (Huovinen, Mäkelä + Center of Maritime Studies, Finnish Maritime Institute) •Simulation and Optimization of Harbour Activities (Linkosaari, Mäkelä + Center of Maritime Studies ) • Molecular Modelling and Optimization (Vaviolahti, Karmitsa) • Sizing Optimization of a Beam on an Elastic Unilateral Subsoil (Pulkkinen, Mäkelä, Karmitsa + R. Simecek, Olomouc, Czech Republic) • Multiobjective Optimization of Genetic Interactions (T. Aittokallio, R. Linden, Eronen, Mäkelä, Nikulin) • Location of Ambulance Stations (Heinonen, Mäkelä, Nikulin + The Hospital District of Southwest Finland) • Chromatographic Separation of Fructose-Glucose Mixture (Emet + T. Westerlund, ÅA) • Workload Balancing in Printed Circuit Board Assembly (Emet, Nevalainen, Knuutila, etc. + M. Johansson, Valor Computerized Systems)
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