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Research Areas

  • Operations Research
  • Integer Programming and Combinatorial Optimization
  • Large-Scale Optimization
  • Applications: cutting and packing, routing, coordination in the supply chains
  • Decision Support Systems
  • Optimization Software

Research Projects

  • MST4IRTO: New models and solution techniques for integrated and real-time optimization in the supply chains
    PTDC/EGE-GES/116676/2010, funded by FCT, 2012-2014, Principal Investigator
    Supply chain management, integrated optimization problems, integer programming, model-based heuristics
  • Integrated Operations Planning in the Automotive Industry
    ALG-ID1372, funded by COINDU S.A., 2011-2013, Principal Investigator
    Production scheduling and logistics, coordination between parties, optimization, integer programming, heuristics, decision support systems
  • Fast lower bounding techniques for large-scale discrete optimization problems
    Funded by FCT and CNRS, 2010, Principal Investigator (with François Clautiaux - French team)
    Lower bounds, dual-feasible functions, linear and integer programming
  • Advanced optimization techniques based on hybrid integer and constraint programming methods: applications to vehicle routing and cutting stock problems
    Funded by FCT and CNRS, 2009, Principal Investigator (with François Clautiaux - French team)
    Integer programming, constraint programming, hybridization, vehicle routing, cutting and packing
  • OPEM - Optimizing stereotomy processes at Madeipinto
    Funded by QREN - SI I&DT - Vale ID&T, 2011-2012
    Stereotomy, integer programming and combinatorial optimization, optimization software
  • Development of state-of-theart algorithms for the solution of very complex multicommodity network design problems
    Funded by FCT and the Ministry of Higher Education, Scientific Research and Technology of Tunisia, 2008-2009
    Network design, integer programming, decomposition methods
  • SCOOP - Sheet Cutting and Process Optimization for furniture enterprises
    Contract COOP-CT-2006-032998, 6th Framework Programme on Research, Technological Development and Demonstration (Specific Actions for SMEs - Cooperative Research), 2006-2008
    Furniture industry, 2D cutting stock problem and variants, integer programming and combinatorial optimization, exact solution methods and heuristics, optimization software
  • Planning the leather cutting operations in the production of car seats
    Funded by COINDU S.A., 2006-2011
    Leather nesting, metaheuristics, optimization software
  • Models, algorithms and tools for large scale integer optimization
    POSC/EIA/57203/2004, funded by FCT, 2005-2008
    Large-scale optimization, decomposition methods, combinatorial optimization problems, optimization software
  • Algorithms for large scale integer programming
    POSI/1999/SRI/35568, funded by FCT, 2000-2003
    Large-scale optimization, decomposition methods, combinatorial optimization problems, optimization software
  • Route planning system
    Funded by Algoritmi Center, University of Minho, 1999-2001
    Vehicle routing problem, Dantzig-Wolfe decomposition, column generation, branch-and-price

Postdoc Grants

  • Rita Macedo, Integrated modeling and optimization: new theoretical results and methodologies, and their application to supply chain and operations management
    FCT Grant: SFRH/BPD/78024/2011, co-supervision with J. Valério de Carvalho
  • Raid Mansi, Hybrid algorithms for 2-dimensional cutting stock, problems and variants, Jan 2010 - May 2011
    FCT Grant: SFRH/BPD/64766/2009, co-supervision with J. Valério de Carvalho
  • Jürgen Rietz, Dual-feasible methods for discrete optimization: theoretical results and application to hard packing, routing and scheduling problems, Nov 2008 -
    FCT Grant: SFRH/BPD/45157/2008, co-supervision with J. Valério de Carvalho
  • Kelly Poldi, Exact optimization algorithms for 2-dimensional cutting stock problems with a limited number of stacks, Jun-Oct 2008
    Project SCOOP - Grant, co-supervision with J. Valério de Carvalho and F. Alvelos
  • Jürgen Rietz, Lower bounding techniques based on dual feasible functions: analysis and application to the one and two-dimensional bin packing problems, Jan-Oct 2008
    Project SCOOP - Grant: UMINHO/BPD/01/2008, co-supervision with J. Valério de Carvalho
  • Mehdi Mrad, Exact algorithms for the two-dimensional cutting stock problem, Feb-Dec 2007
    Project SCOOP - Grant: UMINHO/BPD/06/2007, co-supervision with J. Valério de Carvalho
  • François Clautiaux, Lower bounding techniques based on dual feasible functions: analysis and application to the one and two-dimensional bin packing problems, Feb-Jul 2006
    FCT Grant: SFRH/BPD/24139/2005, co-supervision with J. Valério de Carvalho