Research Topics

Optimization Group at University of Turku

Marko M. Mäkelä

University of TurkuDepartment of Mathematics

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

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)

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)

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)