Events related to the project

2017/03/31: the talk "SMS++: A Structured Modeling System with Application in Energy Optimization", by W. van Ackooij, A. Frangioni, and K. Tavlaridis-Gyparakis is presented at the Final Conference of the COST TD1207 Project "Mathematical Optimization in the Decision Support Systems for Efficient and Robust Energy Networks"

2016/11/09: the talk "SMS++: A Structured Modeling System with Application in Energy Optimization", by W. van Ackooij, A. Frangioni, and K. Tavlaridis-Gyparakis is presented at PGMO Days 2016

2016/06/23: the talk "Inexact stabilized Benders' decomposition approaches with applications to MIQCQP problems", by W. Van Ackooij, A. Frangioni and W. de Oliveira, is presented at the 35-ème Journées Franciliennes de Recherche Opérationnelle

2016/05/20: the talk "Energy Management problems", by W. Van Ackooij, is presented at University of Santa Catherina, Florianopolis, Brazil

2016/01/18: the talk "Nonsmooth optimization algorithms for primal-dual problems via augmented Lagrangians" by W. de Oliveira and C. C. Sagastizá́abalis presented at Laboratoire Jean Kuntzmann, Grenoble, France

2015/10/27: the talk "MILP Approaches for the EdF Unit Commitment Problem" by W. van Ackooij, A. Frangioni, and K. Tavlaridis-Gyparakis is presented at PGMO Days 2015

2015/09/08: the talk "A MILP Approach for the EdF Unit Commitment Problem" by W. van Ackooij, A. Frangioni, and K. Tavlaridis-Gyparakis is presented at AIRO 2015

2015/09/08: the talk "Modern Lagrangian Relaxation, or how to navigate the passage between Scylla and Charybdis" by C. Sagástizabal is presented at AIRO 2015

2015/02/05: the talk "Large (Un)Structured Master Problems in Decomposition Algorithms and Interior-Point Methods: Friend or Foe?", by A. Frangioni, is presented at Department of Mathematics, University of Edinburgh

2014/11/22: the talk "Exploiting problem's structure in nonsmooth optimization" by W. de Oliveira and Claudia Sagastizábal is presented at Facultad de Ciencia y Tecnología. Universidad del País Vasco

2014/10/29: the talk "On Modelling and Solving Risk-Averse Stochastic Equilibrium Problems" by C. Sagástizabal is presented at PGMO-COPI'14

2014/10/29: the talk "Handling Inexactness in Nondifferentiable Optimization: a Computational Comparison" by R.M.V. Figueiredo, A. Frangioni and Sagástizabal is presented at PGMO-COPI'14

2014/10/29: the talk "Langrangian Heuristics based on Disaggregated Bundle Methods for the EdF Unit Commitment Problem" by W. van Ackooij, A. Frangioni, and K. Tavlaridis-Gyparakis is presented at PGMO-COPI'14

2014/05/22: the talk "Large Scale 2-Stage Unit-Commitment: A Tractable Approach" by W. van Ackooij and J. Malick is presented at SIAMOP14

2014/05/22: the talk "Efficient Solution of Problems with Probabilistic Constraints Arising in the Energy sector'' by C.Sagástizabal is presented at SIAMOP14

2014/03/21: the talk "Reformulations for Mixed-Integer Nonlinear Programs: a surprisingly simple one with surprisingly good results in (quite) a few different applications" by A. Frangioni is presented at the X Brazilian Workshop on Continuous Optimization

2014/03/21: the talk "Knowing more or knowing less: oracles with on-demand accuracy for bundle methods" by C. Sagástizabal is presented at the X Brazilian Workshop on Continuous Optimization

2013/11/26: the talk "Exploiting uncontrolled information in nonsmooth optimization" by W. de Oliveira, J. Malick and S. Zourar is presented at the Annual workshop of the Gargantua Project

2013/10/05: The talk "Inexact Bundle methods: a computational comparison of different schemes with application to energy problems" by R. Figueiredo, W. van Ackooij, A. Frangioni and C. Sagástizabal, is presented at PGMO's Days 2013

2013/10/05: The talk "Exploiting uncontrolled information in nonsmooth optimization methods", by W. Oliveira, S. Zaourar and J. Malick, is presented at PGMO's Days 2013

2013/10/05: The talk "Hybrid Lagrangian-MILP Approaches to Unit Commitment: Challenges and Opportunities" by A. Frangioni, C. Gentile and M. De Santis, is presented at PGMO's Days 2013

2013/07/04: The talk "Optimization Techniques for the Brazilian Natural Gas Network Planning Problem" by W. de Oliveira, L.A.M. Moraes and S.V.B. Bruno is presented at Università del Sannio.

2013/07/03: The talk "How to exploit oracles with on-demand accuracy in energy problems" by C. Sagástizabal is presented at International Congress of Stochastic Programming 2013

2013/07/03: The talk Bundle methods for energy problems: analyzing the impact of inexactness by R. Figueiredo, W. van Ackooij, A. Frangioni and C. Sagástizabal is presented in Session WD-54 of EURO 2013.

2013/07/02: The talk A new Hybrid Lagrangian-MILP approach for the unit commitment problem by C. Gentile, M. De Santis and A. Frangioni is presented in Session TB-62 of EURO 2013.

2013/06/18: The talk "Méthodes de faisceaux avec oracle inexact et incontrólé", by W. Oliveira, S. Zaourar and J. Malick, is presented at Journées annuelles du GdR MOA.

2013/06/13: The talk "Methodes de Coupes", by C. Lemeréchal is presented at the EdF Seminar, EdF Clamart

2013/05/23: The talk "Exploiting uncontrolled information in nonsmooth optimization methods", by W. Oliveira, S. Zaourar and J. Malick, is presented at COCANA Seminar Series, University of British Columbia, Kelowna

2013/05/21: The talk "Duality for Unit-Commitment: Primal Heuristics, Noisy Oracle", by C. Lemeréchal is presentedat at the PGMO Seminar, PGMO Palaiseau

2013/04/16: The talk "Exploiting uncontrolled information in nonsmooth optimization methods", by W. Oliveira, S. Zaourar, J. Malick, is presented at SCAIM Seminar, University of British Columbia, Vancouver

2012/08/22: The plenary lecture Divide to conquer: decomposition methods for energy optimization by C. Sagastizábal is presented at ISMP 2012

2012/08/21: The talk Exploiting structure in MIQP approaches to unit commitment problems by A. Frangioni, and C. Gentile is presented in Invited Session MA 550 "Nonlinear and combinatorial aspects in energy optimization" of ISMP 2012

2012/08/21: The talk Prices stabilization for inexact unit-commitment problems by S. Zaourar and J. Malick is presented in Invited Session MA 550 "Nonlinear and combinatorial aspects in energy optimization" of ISMP 2012

2012/08/21: The talk Decomposition methods for unit-commitment with coupling joint chance constraints by W. van Ackooij, R. Henrion and C. Sagastizábal is presented in Invited Session MA 549 "Robust aspects of optimization in energy management" of ISMP 2012

2012/07/01: The talk Combining Level and Proximal Bundle Methods for Convex Optimization in Energy Problems by W. Oliveira is presented in EngOpt 2012 - International Conference on Engineering Optimization

2012/07/01: The talk "The impact of inexactness in nonsmooth optimization: an empirical analysis with application to power management problems" by C. Sagastizábal is presented in EngOpt 2012 - International Conference on Engineering Optimization