| 30 | W. van Ackooij, V. Berge, W. de Oliveira and C. Sagastizabal ; Probabilistic optimization via approximate p-efficient points and bundle methods ; ISMP 2015 Pittsburgh ; 13/07/2015 |
| 29 | W. van Ackooij and R. Henrion ; Gradient formulae for nonlinear probabilistic constraints with Gaussian and Gaussian-like distributions ; Roadef ; Marseille France ; 27/02/2015 |
| 28 | C. Sagastizabal, W. van Ackooij and W. de Oliveira ; Bundle Methods and On-Demand Accuracy: a winning combination in nonsmooth optimization ; SPCOM 2015 ; Adelaide Australia, 8-12 /02 /2015 |
| 27 | W. van Ackooij ; Optimisation sous contraintes probabilistes et applications en management d'energies ; Horizon Maths 2014 ; Paris France, 15/12/2014 |
| 26 | W. van Ackooij ; Eventual Convexity of Chance Constrained Feasible Sets ; mini ECSP2014 ; Paris France, 24-26/09/2014 |
| 25 | W. van Ackooij and J. Malick ; Large Scale 2-Stage Unit-Commitment: A Tractable Approach ; SIAM OP14 ; San Diego USA, 19-22/05/2014 |
| 24 | W. de Oliveira, W. van Ackooij and J.Y. Bello-Cruz ; A strongly convergent proximal bundle method for convex minimization in Hilbert spaces ; X Brazilian workshop on Continuous optimization in honour of Clovis Conzaga’s 70th birthday ; Florianopolis, 17-21/04/2014 |
| 23 | W. van Ackooij, R. Henrion, M. Minoux and P. Nzi ; Gradient Formulae for bilateral degenerate probabilistic constraints and applications ; PGMO Conférence ; 04/10/2013 |
| 22 | Violette Berge, W. van Ackooij, W. Oliveira, C. Sagastizabal ; On-demand accuracy bundle methods for chance-constrained problems ; PGMO Conférence ; 04/10/2013 |
| 21 | Rosa Figueiredo, W. van Ackooij, A. Frangioni, C. Sagastizabal ; Inexact Bundle methods: a computational comparison of different schemes with applications to energy problems ; PGMO Conference ; 04/10/2013 |
| 20 | W. de Oliveira and W. van Ackooij ; Level Bundle Methods for Constrained Convex Optimization with various Oracles ; Mathematical Congress of the Americas 2013; Guanajuato Mexico; 5-9 August 2013 |
| 19 | W. van Ackooij and R. Henrion ; Gradient formulae for nonlinear probabilistic constraints with Gaussian and Gaussian-like distributions ; ICSP2013 ; Bergamo Italy ; 08-12 July 2013 |
| 18 | R. Figueiredo, A. Frangioni, C. Sagastizabal and W. van Ackooij ; Bundle methods for energy problems: analyzing the impact of inexactness ; EURO XXVI ; Rome ; 01-04 July 2013 |
| 17 | C. d’Ambrosio, W. van Ackooij, G. Doukopoulos, A. Frangioni, C. Gentille, F. Roupin and T. Simovic ; Optimality for Tough Combinatorial Hydro Valley Problems ; ROADEF 2013 ; Troyes ; 14 February 2013 |
| 16 | W. van Ackooij and R. Zorgati ; Estimating the probabilistic contents of Gaussian rectangles faster in Joint Chance Constrained Programming for Hydro Reservoir management ; EngOpt 2012 3rd International Conference on Engineering optimization. |
| 15 | W. van Ackooij, R. Henrion and C. Sagastizabal ; Decomposition Methods for Unit-Commitment with coupling Joint Chance Constraints ; 25th international symposium on mathematical Programming ; Berlin 2012 |
| 14 | W. van Ackooij and M. Minoux ; Robust Models for Hydro Reservoir Management in Unit Commitment problems ; 4th Conference on Stochastic Modeling ; Stochmod12 ; Paris ; 30/05/2012 - 01/06/2012 |
| 13 | C. Sagastizabal, W. van Ackooij and R. Henrion ; Análise de “improvement functions” para resolver problemas convexos não diferenciáveis ; Seminário de Otimização ; IMPA Brazil ; Mai 2012 |
| 12 | W. van Ackooij, R. Henrion and C. Sagastizabal ; Decomposition Methods for Unit-Commitment with coupling Joint Chance Constraints ; Plenary Session in Seminar on Non-Linear Optimization and Inverse Problems; WIAS Berlin ; April 2012 |
| 11 | R. Henrion, A. Möller, W. Römisch, C. Stugarek, W. van Ackooij and R. Zorgati ; Structure, stability and algorithmic issues of optimization problmes with probabilistic constraints; IFIP 2011 ; 25th conference on system modeling and optimization ; Berlin ; September 12-16 2011; |
| 10 | W. van Ackooij, R. Henrion, C. Sagastizabal and R. Zorgati ; Métodos de feixe inexatos para problemas restritos aplicados à gestão de reservatórios em cascata usando restrições probabilísticas ; Seminários IMPA ; Juin 2011 |
| 9 | W. van Ackooij, F. Bréant and N. Langrené ; An aggregation procedure for large scale mixed integer programming in energy management ; European Chapter on Combinatorial Optimization (ECCO) XXIV ; Amsterdam 2011 |
| 8 | W. van Ackooij ; Unit Commitment in Energy management : Past and Future Challenges ; plenary session in Workshop : Optimization and Learning: Theory, Algorithms, Applications ; Metz 2011 |
| 7 | W. van Ackooij, R. Henrion, C. Sagastizabal and R. Zorgati ; Bundle Methods for Hydro Reservoir Management with Joint Chance Constraints ; SIAM OP11, Darmstadt Allemagne 2011 |
| 6 | W. van Ackooij ; Flexible unit commitment in Hydro-Thermal systems ; ROADEF ; St Etienne 2011 |
| 5 | A. Gorge, R. Zorgati and W. van Ackooij ; Conic approximations of some Energy Management Optimization ; 3ième cycle romand de Recherche Opérationnelle ; Zinal 2010 |
| 4 | W. van Ackooij and R. Henrion and A. Möller and R. Zorgati ; Probabilistic programming in hydro power management ; OR 2010 ; International Conference on Operations Research ; Munich September 2010 |
| 3 | R. Zorgati and W. van Ackooij ; Probabilistic Model and Robust Algorithms in the Electrical Industry ; 6th International Conference on Computational Management Science, Geneva, 2009 |
| 2 | W. van Ackooij and R. Zorgati A Mixed Inner Outer Algorithm for Approximating Binary Chance Constrained Programming ; MCO 2008 Modelling, Computation and Optimization in Information Systems and Management Sciences. Metz / Luxembourg 2008 |
| 1 | N. Oudjane, J.S. Roy, W. van Ackooij, X. Warin, G. Vignal, L. Dubost and R. Zorgati ; Some open problems in unit commitment at EDF ; FLACAM’05 ; Santiago (Chile) ; 2005 |