Conferences

2025

• Albert Solà Vilalta, Marlyn Cuadrado, Ignasi Mañé, F.-Javier Heredia. Optimal Participation of Energy Communities in Electricity Markets under Uncertainty. A Multi-Stage Stochastic Programming, gazteak RSME 2025, VII Congreso de Jóvenes Investigadores de la RSME, Bilbao, Spain, 13/01/2025 - 17/01/2025.

2024

• J. Castro, C. Gentile, A. Tobar-Nicolau, An optimization approach to privacy preserving dynamic data publishing, Privacy in Statistical Databases 2024, Antibes (France), September 2024.

• J. Castro, Specialized interior point method for support vector machines based on variable splitting, 33rd European Conference on Operational Research-EURO 2024, Technical University of Denmark-DTU, Copenhagen, Denmark, July 2024. Invited presentation.

• J. Castro, Interior Point Methods. Applications to Structured Problems, Zinal Winter School on Data Science, Optimization and Operations Research, Ecole Polytechnique Fédérale de Lausanne, Switzerland, January 14-19, 2024. Invited speaker.

• Grace Kelly Maureira, F.-Javier Heredia, Enhancing Shopping Centre Profitability through Optimized Tenant Mix and Synergistic Placement, EURO24, 33rd European Conference on Operational Research, Technical University of Denmark (DTU), Copenhagen, Denmark., 30/06/2024 - 3/07/2024.

• Albert Solà Vilalta, F.-Javier Heredia, Optimal Participation of Energy Communities in Electricity Markets under Uncertainty. A Multi-Stage Stochastic Programming Approach, EURO24, 33rd European Conference on Operational Research, Technical University of Denmark (DTU), Copenhagen, Denmark., 30/06/2024 - 3/07/2024.

• Albert Solà Vilalta, Marlyn Cuadrado, Ignasi Mañé, F.-Javier Heredia, Optimal Participation of Energy Communities in Electricity Markets under Uncertainty. A Multi-Stage Stochastic Programming Approach, ISMP2024, 25th International Symposium on Mathematical Programming, Montréal, Canada., 21/07/2024 - 26/07/2024.

• Albert Solà Vilalta, Marlyn Cuadrado, Ignasi Mañé, F.-Javier Heredia. Optimal Participation of Energy Communities in Electricity Markets under Uncertainty. A Multi-Stage Stochastic Programming, SYSORM 2024, 4th Spanish Young Statisticians and Operational Researchers Meeting, Santiago de Compostela, Spain, 19/06/2024 - 21/06/2024.

• Albert Chitandula, Anas Abuzayed, Francis Mulolani, Kumbuso Joshua Nyoni, Musa Ndiaye, Albert Solà Vilalta. Power System Modeling Tools for Sustainable
  Development: A Review, 2024 IEEE PES/IAS PowerAfrica Conference, Johannesbourgh, South Africa, 07/10/2024 - 11/10/2024.

• Gonzalez, J.A. (2024) Edición y publicación de investigaciones centradas en educación, Jornada de Innovación y Tecnología en Educación (JITE), Octubre 2024. Buenos Aires, Argentina (virtual).

2023

• J. Castro, Variable splitting in interior point methods (or how to efficiently solve large problems), Edinburgh Research Group in Optimization Seminar, School of Mathematics, University of Edinburgh, 21 September 2023. Invited presentation.

• J. Rodríguez-Pereira. Optimizing access to drinking water: Nepal case. Optimization Workshop in Logistics (OWL, 2023). Lecce, Italy. 06/2023.

• Grace Kelly Maureira, F.-Javier Heredia. A model to optimize the tenant mix in a shopping centre, IFORS 2023 - 23rd Conference of the International Federation of Operational Research Societies, Santiago, Chile, 10-14/07/2023. DOI: https://doi.org/10.1287/ifors.2023.

2022

• J. Castro, C. Gentile, E. Spagnolo-Arrizabalaga, An optimization-based decomposition heuristic for the microaggregation problem, Privacy in Statistical Databases 2022, Paris (France), September 2022.

• J. Castro, L. Escudero, J.F. Monge, A new specialized interior-point method for large-scale multistage stochastic optimization, Seventh Mathematical Optimization Society International Conference on Continuous Optimization (ICCOPT 2022), Lehigh University, Bethlehem, PA, USA, July 2022. Invited presentation.

• D. Baena, J. Castro, The Chebyshev center as an alternative to the analytic center in the feasibility pump, 32nd European Conference on Operational Research-EURO 2022, Aalto University, Helsinki, Finland, July 2022. Invited presentation.

• J. Castro, L. Escudero, J.F. Monge, A new specialized interior-point method for large-scale multistage stochastic optimization problems, 32nd European Conference on Operational Research-EURO 2022, Aalto University, Helsinki, Finland, July 2022. Invited presentation.

• J. Castro, L. Escudero, J.F. Monge, A new specialized interior-point method for solving large-scale multistage multiscale optimization problems under uncertainty, 39th Spanish Conference on Statistics and Operations Research, Granada, June 2022.

• F.-Javier Heredia, Ignasi Mañé, Marlyn Dayana Cuadrado Guevara, Multistage stochastic programming for the optimal bid of a wind-thermal power production pool with battery storage., EURO 2022, Espoo, Finland., 03/07/2022 - 06/07/2022.

• Albert Solà Vilalta. ADMM-based Unit and Time Decomposition for Price Arbitrage by Cooperative Price-Maker Electricity Storage Units. ETP 11th Annual Conference 2022, Energy Technology Partnership (ETP), Edinburgh, UK. Awarded the “B4: Batteries and Storage” Session Presentation Prize.

• Albert Solà Vilalta. Reducing Carbon Emissions at Easter Bush Campus. Samples of Mathematics in Data, DataFest Fringe 2022, Edinburgh, UK.

• Albert Solà Vilalta. ADMM-based Unit and Time Decomposition for Price Arbitrage by Cooperative Price-Maker Electricity Storage Units. INFORMS Annual Meeting 2022, INFORMS, Indianapolis, IN, US.

• Albert Solà Vilalta. ADMM-based Unit and Time Decomposition for Price Arbitrage by Cooperative Price-Maker Electricity Storage Units. 3rd Spanish Young Statisticians and Operational Researchers Meeting (SYSORM), Universidad Miguel Hernandez, Elche, Spain.

• Albert Solà Vilalta. ADMM-based Unit and Time Decomposition for Price Arbitrage by Cooperative Price-Maker Electricity Storage Units. Modern Techniques of Very Large Scale Optimization, University of Edinburgh, Edinburgh, UK.

2021

• J. Castro, A new interior-point optimization approach for support vector machines for binary classification and outlier detection, New Bridges between Mathematics and Data Science, Universidad de Valladolid (Spain), November 2021. Invited presentation.

• J. Castro, Interior-point method for 2-class and 1-class linear support vector machines by multiple variable splitting, United States Naval Academy Optimization and Operations Research Conference, United States Naval Academy, Annapolis, MA (USA), June 2021. Virtual conference. Invited presentation.

• J. Castro, An interior-point solver for large block-angular problems and applications, Seminar at the Center for Operations Research, Universitat Miguel Hernández, Elx, Alacant (Spain), May 2021. Virtual seminar. Invited presentation.

• Marlyn Dayana Cuadrado Guevara, F.-Javier Heredia, Multistage Scenario Trees Generation for Electricity Markets Optimization, 31st European Conference on Operational Research., Athens, 11/07/2021 - 14/07/2021.

• Albert Solà Vilalta. Control of Multiple Price-Maker Electric Energy Storage Units that Cooperate for Price Arbitrage. INFORMS Annual Meeting 2021, INFORMS, online.

• J. Rodríguez-Pereira. Applied Network Design Problems to Support Social Good. 31st European Conference on Operational Research (EURO, 2021). Athens, Grece. 07/2021.

2020

• Albert Solà Vilalta. Control of Two Energy Storage Units with Market Impact. Joint CDT Student Conference, University of Cambridge, online.

• Albert Solà Vilalta. Control of Two Energy Storage Units with Market Impact: Lagrangian Approach and Horizons. Probabilistic Methods Applied to Power Systems (PMAPS), IEEE Power & Energy Society, online.

• Albert Solà Vilalta. Vehicle Fleet Sizing, Positioning and Routing. 12th AIMMS-MOPTA Optimization Modeling Competition, Bethlehem, PA, USA.

• J. Rodríguez-Pereira. Cost Sharing Mechanisms for Multi-country Partnerships in Disaster Preparedness. 2020 INFORMS Annual Meeting (INFORMS, 2020). Online. 11/2020.

2019

• D. Baena, J. Castro, A. Frangioni, Using a stabilized Benders algorithm for cell suppression, Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Statistics Netherlands, The Hague (The Netherlands), October 2019. Invited presentation.

• J. Castro, Optimization and support vector machines, 23th Latin American Summer School in Operations Research-ELAVIO XXIII, Universitat de Lleida, Lleida (Catalonia), July 2019. Invited course.

• J. Castro, S. Nasini, A specialized interior-point algorithm for huge minimum convex cost flows in bipartite networks, Workshop in Advances in Linear Algebra and Huge-Scale Optimization, University of Edinburgh, Edinburgh (Scotland, UK), July 2019. Invited presentation.

• P. de la Lama, J. Castro, A new interior-point approach for large two-stage stochastic problems, 30th European Conference on Operational Research-EURO 2019, University College Dublin, Dublin (Ireland), July 2019. Invited presentation.

• D. Baena, J. Castro, A. Frangioni, Solving the cell suppression problem by a stabilized Benders method, 30th European Conference on Operational Research-EURO 2019, University College Dublin, Dublin (Ireland), July 2019. Invited presentation.

• J. Rodríguez-Pereira. Exact Solution of Several Families of Location-Arc Routing Problems. 2019 INFORMS Annual Meeting (INFORMS, 2019). Seattle, United States. 10/2019.

• J. Rodríguez-Pereira. New Steiner Travelling Salesman Problem Formulation and its Multi-Depot Extension. Workshop of the EURO Working Group on Vehicle Routing and Logistics Optimization (VeRoLog, 2019). Sevilla, Spain. 06/2019.

• J. Rodríguez-Pereira. New Steiner Travelling Salesman Problem Formulation and its Location Extension. Optimization Days 2019 (OPTD, 2019). Montrèal, Canada. 05/2019.

• J. Rodríguez-Pereira. Steiner Travelling Salesman Problems: when not all vertices have demand. IX International Workshop on Locational Analysis and Related Problems (IWOLOCA, 2019). Cadiz, Spain. 01/2019.

2018

• D. Baena, J. Castro, J.A. González, Symmetric vs asymmetric protection levels in SDC methods for tabular data, Privacy in Statistical Databases 2018, Valencia (Spain), September 2018.

• J. Castro, An Interior-Point Solver for Large Block-Angular Optimization Problems and Applications, Google Algorithms Tech Talk , Google, Manhattan, New York, USA, 14 August 2018. Invited presentation.

• J. Castro, A. Oliveira, Organization of Stream on Interior-point Methods for Large-Scale Problems, 23rd International Symposium on Mathematical Programming ISMP 2018, Bordeaux, France, July 2018.

• J. Castro, S. Nasini, A specialized interior-point algorithm for very large minimum cost flows in bipartite networks, 23rd International Symposium on Mathematical Programming ISMP 2018, Bordeaux, France, July 2018. Invited presentation.

• J. Castro, A new specialized interior-point method for support vector machines, 23rd International Symposium on Mathematical Programming ISMP 2018, Bordeaux, France, July 2018. Invited presentation.

• G. Casanellas, J. Castro, P. Artús, Design of progressive lenses by optimization techniques, BGSMath Workshop Maths for Industry 4.0, Universitat Pompeu Fabra, 19 February 2018. Invited presentation.

• J. Castro, Optimization models for tabular data protection, Seminar at the National Statistics Center, National Statistics Center, Tokyo, Japan, 28 February 2018. Invited presentation.

• J. Castro, Recent optimization approaches for tabular data protection, Seminar at Hitotsubashi University, Hitotsubashi University, Tokyo, Japan, 1 March 2018. Invited presentation.

• F.-Javier Heredia, Optimising data analytics for industry 4.0, Maths for Industry 4.0, Barcelona, 19/02/2018.

• F.-Javier Heredia, Marlyn D. Cuadrado, J.-Anton Sánchez, A multistage stochastic programming model for the optimal bid of a wind producer, 23th International Symposium on Mathematical Programming, Bordeaux, 01-06/07/2018.

• Cristina Corchero, Josep Homs-Moreno, F.-Javier Heredia, Lucia Igualada, Mikel de Prada, A MIP formulation of a Hybrid AC-DC offshore wind power plant topology, 23th International Symposium on Mathematical Programming, Bordeaux, 01-06/07/2018.

• Daniel Ramón-Lumbierres, F.-Javier Heredia, Robert Gimeno Feu, Julio Consola, Román Buil Giné, A multistage stochastic programming model for the strategic supply chain design, 23th International Symposium on Mathematical Programming, Bordeaux, 01-06/07/2018.

• J. Rodríguez-Pereira. Models and solution algorithms for Location-Arc Routing Problems. 7th International Workshop on Freight Transportation and Logistics (ODYSSEUS, 2018). Cagliari, Italy. 06/2018.

• J. Rodríguez-Pereira. Exact solution of Location-Arc Routing Problems. XXXVII Congreso Nacional de Estadística e Investigación Operativa (SEIO, 2018). Oviedo, Spain. 05/2018.

• J. Rodríguez-Pereira. The Clustered Target-Visitation Arc-Routing Problem. Optimization Days 2018 (OPTD, 2018). Montrèal, Canada. 05/2018.

2017

• J. Castro, Interior-point method for support vector machines through multiple variable splitting, 4th Conference on Optimization Methods and Software, Universidad de La Habana (Cuba), December 2017. Program Committee member and invited presentation.

• D. Baena, J. Castro, A. Frangioni, On using an improved Benders method for cell suppression. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Ministry of Foreign Affairs, Skopje (Macedonia), September 2017. Invited presentation.

• J. Castro, An interior-point method for multiple variable splitting decomposition with applications, Seminar on Optimization Under Uncertainty. Applications in Agriculture, Universitat de Lleida, LLeida (Catalonia), September 2017. Invited speaker.

• J. Castro, S. Nasini, F. Saldanha-da-Gama, Specialized interior-points in cutting plane methods for huge discrete optimization: an application to facility location, Biannual Conference of the Spanish Royal Society of Mathematics , Zaragoza (Spain), February 2017. Invited presentation.

• F.-Javier Heredia, Marlyn D. Cuadrado, A multistage stochastic programming model for the optimal management of wind-BESS virtual power plants, WindFarms 2017, Madrid, Spain, 31/05-02/06/2017

• J. Minguella-Canela, A. Muguruza, D.R. Lumbierres, F.-Javier Heredia, R. Gimeno, P. Guo, M. Hamilton, K. Shastry, S. Webb, Comparison of production strategies and degree of postponement when incorporating additive manufacturing to product supply chains, Manufacturing Engineering Society International Conference 2017, MESIC 2017, 28-30, Vigo, Spain, 

• F.-Javier Heredia, Marlyn D. Cuadrado, J.-Anton Sánchez, A Multistage Stochastic Programming Model for the Optimal Bid of Wind-BESS Virtual Power Plants to Electricity Markets, 4th International Conference on Optimization Methods and Software 2017, La Havana, 16-21/12/2017.

• J. Rodríguez-Pereira. Formulations for Location-Arc Routing Problems. 21st Conference of the International Federation of Operational Research (IFORS, 2017). Quebec City, Canada. 07/2017.

2016

•  J. Castro, A. Via, Revisiting interval protection, a.k.a. partial cell suppression, for tabular data, Privacy in Statistical Databases 2016, Dubrovnik (Croatia), September 2016.

• G. Lesaja, J. Castro, A. Oganian, A second order cone formulation of continuous CTA model, Privacy in Statistical Databases 2016, Dubrovnik (Croatia), September 2016.

• J. Castro, An interior-point solver for very large structured problems, III Workshop on Optimization Under Uncertainty in Sustainable Agriculture and Agrifood Industry , Universitat de Lleida, LLeida (Catalonia), September 2016. Invited keynote speaker.

• J. Castro, S. Nasini, On the efficiency of preconditioners in BlockIP, an interior point package for block-angular problems, 28th European Conference on Operational Research-EURO 2016, Poznan University of Technology, Poznan (Poland), July 2016. Invited presentation.

• G. Casanellas, J. Castro, Modelling and optimization of progressive lenses, 28th European Conference on Operational Research-EURO 2016, Poznan University of Technology, Poznan (Poland), July 2016. Invited presentation.

• J. Castro, Interior point methods, COST/MINO PhD School on Advanced Optimization Methods 2016, Istituto di Analisi dei Sistemi ed Informatica "A. Ruberti" Consiglio Nazionale delle Ricerche, Roma (Italia), June 6-10, 2016. Invited course.

• Claudia Morales Carreon, F.-Javier Heredia, Miguel Mata Perez, Optimización de costos logísticos: Un caso de estudio de una empresa de plásticos., Congreso Internacional de Logística y Cadena de Suministro 2016, Yucatán, Máxico, 3-7/09/2016.

• F.-Javier Heredia, Cristina Corchero, Marlyn D. Cuadrado, On the optimal participation in electricity markets of wind power plants with battery energy storage systems, 28th European Conference on Operational Research, Poznan, Poland.

• Daniel Ramon Lumbierres, Asier Muguruza, Robert Gimeno Feu, Ping Guo, Mary Hamilton, Kiron Shastry, Sunny Webb, Joaquim Minguella, F.-Javier Heredia, Optimal Supply Chain Strategy and Postponement Degree with 3D Printing, 28th European Conference on Operational Research, Poznan, Poland.

• J. Rodríguez-Pereira. A Branch-and-Cut algorithm for the Multi-Depot Rural Postman Problem. Middle-European Conference on Applied Theoretical Computer Science (MATCOS, 2016). Koper, Slovenia. 09/2016.

• J. Rodríguez-Pereira. Formulation and exact solution of the Multi-Depot Rural Postman Problem. 2nd Workshop on Arc Routing Problems (WARP, 2016). Lisboa, Portugal. 05/2016.

• J. Rodríguez-Pereira. Undirected Multi-Depot Rural Postman Problem. Optimization Days 2016 (OPTD, 2016). Montrèal, Canada. 05/2016.

2015

• J. Castro, S. Nasini, F. Saldanha-da-Gama, Using an interior-point method for huge capacitated multiperiod facility location, VI International Workshop on Locational Analysis and related problems, Universitat Politècnica de Catalunya, Barcelona, November 2015.

• J. Castro, IPMs for huge MILPs? A successful approach for capacitated multiperiod facility location, Edinburgh Research Group in Optimization Seminars, School of Mathematics, University of Edinburgh, 18 November 2015. Invited presentation.

• J. Castro, J.A. González, A. Hundepool, Using BCD-CTA for difficult tables: a practical experiment with a real Eurostat table. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Statistics Finland, Helsinki (Finland), October 2015. Invited presentation.

• J. Castro, S. Nasini, F. Saldanha-da-Gama, A specialized interior-point method for large-scale capacitated multiperiod facility location, 22nd International Symposium on Mathematical Programming ISMP 2015, Pittsburgh, USA, July 2015. Invited presentation. (J. Castro was also chairman of session: Constraint integer programing.)

• F.-Javier Heredia, Antonio Rengifo, Parallel Proximal Bundle Methods for Stochastic Electricity Market Problems, 27th European Conference on Operational Research, Glasgow, UK., July 2015.

• Vogler, M.; Cortés, J.; Cobo, E.; González, J.A.; Serrat, C. (2015). Power and effect size in repeated measures modelling, CEIB - Conferencia Española y Encuentro Iberoamericano de Biometría, septiembre 2015. Bilbao, España.

• Cristina Corchero, Andina Brown, Oriol Serch, Miguel Cruz, F.-Javier Heredia, A multi-objective approach to infrastructure planning in the early stages of EV introduction, 27th European Conference on Operational Research, Glasgow, UK., July 2015.

• Leire Citores, Cristina Corchero, F.-Javier Heredia, A stochastic programming model for the tertiary control of microgrids, 12th International Conference on the European Energy Market, Lisbon, Portugal,  May 2015.

• F.-Javier Heredia, Jordi Riera, Montserrat Mata, Joan Escuer, Jordi Romeu, Economic analysis of battery electric storage systems operating in electricity markets, 12th International Conference on the European Energy Market, Lisbon, Portugal,  May 2015.

• J. Castro, BlockIP: an interior-point solver for convex separable structured optimization problems, XXXV Congreso Nacional de Estadística e Investigación Operativa, Pamplona, Spain, May 2015.

• D. Baena, J. Castro, J.A. González, Fix-and-relax approaches for controlled tabular adjustment, XXXV Congreso Nacional de Estadística e Investigación Operativa, Pamplona, Spain, May 2015.

• G. Casanellas, J. Castro, J.C. Dürsteler, Modelling and optimization of progressive addition lenses, XXXV Congreso Nacional de Estadística e Investigación Operativa, Pamplona, Spain, May 2015.

• J. Castro, Large-scale optimization with BlockIP, a specialized IP solver for block-angular problems, 1st Brazilian Workshop on Interior Point Methods, University of Campinas, Campinas (Brazil), April 2015. Invited plenary talk.

• J. Rodríguez-Pereira. Multi-Depot Rural Postman Problem. Workshop on Combinatorial Optimization, Routing and Location (CORAL, 2015). Salamanca, Spain. 09/2015.

• J. Rodríguez-Pereira. Multi-Depot Rural Postman Problem. XXXV Congreso Nacional de Estadística e Investigación Operativa (SEIO, 2015). Pamplona, Spain. 05/2015.

2014

• J. Castro, An interior-point solver for convex separable block-angular problem, COST Workshop on Mathematical Models and Methods for Energy Optimization, Budapest University of Technology and Economics, Budapest (Hungary), September 2014. Invited plenary talk.

• J. Castro, J.A. González, Assessing the information loss of controlled tabular adjustment in two-way tables, Privacy in Statistical Databases 2014, Eivissa (Balearic Islands, Spain), September 2014.

• J. Castro, A CTA model based on the Huber function, Privacy in Statistical Databases 2014, Eivissa (Balearic Islands, Spain), September 2014.

• F.-Javier Heredia, Julián Cifuentes, Cristina Corchero, Stochastic Optimal Bid to Electricity Markets with Emission Risk Constraints, IFORS2014: 20th Conference of the International Federation of Operational Research Societies, Universitat Politècnica de Catalunya, Barcelona (Spain), July 2014. Invited talk.

• F.-Javier Heredia, Cristina Corchero. Organization of the stream Optimization models and algorithms in Energy Industry (7 sessions, 28 talks). 20th Conference of the International Federation of Operational Research Societies IFORS, Universitat Politècnica de Catalunya, Barcelona, July 2014.

• J. Castro, Tamás Terlaky, Organization of Stream on Interior Point Methods and Conic Optimization, 20th Conference of the International Federation of Operational Research Societies IFORS, Universitat Politècnica de Catalunya, Barcelona, July 2014.

• S. Nasini, J. Castro, Specialized interior point methods for classes of random network problem, 20th Conference of the International Federation of Operational Research Societies IFORS, Universitat Politècnica de Catalunya, Barcelona, July 2014. Invited presentation.

• S. Bocanegra, J. Castro, A. Oliveira Using hybrid preconditioners in an IPM for large block-angular problems, 20th Conference of the International Federation of Operational Research Societies IFORS, Universitat Politècnica de Catalunya, Barcelona, July 2014. Invited presentation.

• J. Castro, X. Jiménez, BlockIP: An interior-point solver for block angular problems, 20th Conference of the International Federation of Operational Research Societies IFORS, Universitat Politècnica de Catalunya, Barcelona, July 2014. Invited presentation.

• S. Nasini, J. Castro, Preconditioning IPMs for block-angular problems with "almost linearly dependent" constraints, International Conference on Applied Mathematical Programming and Modelling APMOD, University of Warwick (United Kingdom), April 2014. Invited presentation.

2013

• J. Castro, Assessing the disclosure risk of CTA-like methods. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Statistics Canada, Ottawa (Canada), October 2013. Invited presentation.

• J. Castro, J.A. González, A fast CTA method without the complicating binary decisions. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Statistics Canada, Ottawa (Canada), October 2013. Invited presentation.

• J. Castro, J. Cuesta, Protecting three-dimensional tables of data: An application of interior-point methods to statistical disclosure control, Fourth Mathematical Optimization Society International Conference on Continuous Optimization (ICCOPT 2013), Universidade Nova de Lisboa, Lisboa (Portugal), July 2013. Invited presentation. JC chairman of session: Applications in design problems.

• S. Nasini, J. Castro, Generating random networks by linear programming approaches, Joint International 26th European Conference on Operational Research (EURO 2013)-INFORMS, Roma, Italia, July 2013. Invited presentation.

• S. Nasini, J. Castro, Generating conditional uniform random networks by optimization procedures, International Network Optimization Conference 2013, Tenerife, Spain, May 2013.

• A. Ferrer, ICSO-HAROSA International Workshop on Simulation-Optimization for Logistics & Production, UOC-Tibidabo, Barcelona, Spain. November 21-22. RPSALG algorithm for convex semi-infinite programming. Invited presentation.

• A. Ferrer, Angel A. Juan, S. Gonzalez, Helena R. Lourenço, Randomized algorithms for solving routing problems with non-smooth objective functions. 26th European Conference on Operational Research-EURO 2013, Roma University, Roma, Italia, July 1-4. Invited presentation.

2012

• J. Castro, Improving iterative solvers in IPMs: regularizations and hybrid preconditioners, Edinburgh Research Group in Optimization Seminars, School of Mathematics, University of Edinburgh, 10 October 2012. Invited presentation.

• J.A. González, J. Castro, Improving the solution of CTA through valid inequalities, 25th European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 2012. Invited presentation.

• D. Baena, J. Castro, A fix and relax heuristic for controlled tabular adjustment, 25th European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 2012. Invited presentation.

• J. Castro, A. Frangioni, C. Gentile, Solving $L_2$-CTA by perspective reformulations, 25th European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 2012. Invited presentation.

• J. Cuesta, J. Castro, Solving $L_1$-CTA in 3D tables by an interior-point method for block-angular problems, 25th European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 2012. Invited presentation.

• A. Ferrer, Angel A. Juan, Helena R. Lourenço, Iterative Local Search Algorithm for solving non-smooth flow-shop problems. European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 8-11. Invited presentation.

• Angel A. Juan, A. Ferrer, J. Faulin, Helena R. Lourenço, Solving non-smooth problems through biased randomization of heuristics. European Conference on Operational Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July 8-11. Invited presentation.

• A. Ferrer, Angel A. Juan, Helena R. Lourenço, Combining iterating local search and biased randomization for solving non-smooth flow-shop problems. IN3-HAROSA International Workshop on Systems Optimization and Internet Computing, IN3-UOC, Barcelona, Spain, June 13-15. Invited presentation.

• J. Castro. Workshop on Techniques for tabular data protection, IDESCAT Workshop , IDESCAT, the National Statistical Institute of Catalonia, Barcelona, May 23 2012. Invited presentation.

• Cristina Corchero, F.-Javier Heredia, Julián Cifuentes, Optimal electricity market bidding strategies considering emission allowances, 9th International Conference on the European Energy Market (EEM12), Florence, Italy, May 2012.

• Cristina Corchero, M. Cruz, F.-Javier Heredia, J.-I. Cairo, L. Igualada, A. Romero, Optimal sizing of microgrids: a fast charging station case, 9th International Conference on the European Energy Market (EEM12), Florence, 10-12/05/2012.

• F.-Javier Heredia, Simona Sacripante, Cristina Corchero, Optimal sale bid for a wind producer in Spanish electricity market through stochastic programming, 9th International Conference on Computational Management Science., London, April 2012. Invited presentation.

• D. Baena, J. Castro, The analytic center feasibility pump, XXXIII Congreso Nacional de Estadística e Investigación Operativa, Madrid, Spain, April 2012.

• Eugenio Mijangos olving Nonlinearly-Constrained Nonlinear Stochastic Problems, Applied Mathematical Optimization and Modelling APMOD 2012 - International Conference on Applied Mathematical Optimization and Modelling, 28-30 de Marzo, 2012, Paderborn, Alemania.

2011

• F.-Javier Heredia (in collaboration with C. Corchero), A multistage stochastic programming model for the optimal multimarket electricity problem. Optimization, Theory, Algorithms and Applications in Economics. Workshop in applications of Optimization in Engineering, Centre de Recerca Matemàtica (CRM), Bellaterra (Catalonia), October 2011. Invited presentation.

• J. Castro (in collaboration with A. Frangioni, C. Gentile, and J.A. González), MILP and MIQP optimization problems from the statistical disclosure control field. Optimization, Theory, Algorithms and Applications in Economics. Workshop in applications of Optimization in Engineering, Centre de Recerca Matemàtica (CRM), Bellaterra (Catalonia), October 2011. Invited presentation.

• J. Castro, J.A. González, Present and future research on controlled tabular adjustment. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Universitat Rovira i Virgili, Tarragona (Catalonia), October 2011. Invited presentation.

• C. Gentile, J. Castro, A. Frangioni, Minimum Euclidean distance controlled adjustment problems by perspective reformulations, 42th Annual Conference of the Italian Operational Research Society - AIRO 2011 , Brescia (Italia), September 2011.

• F.-Javier Heredia, Cristina Corchero, Eugenio Mijangos, Solving electricity market quadratic problems by Branch and Fix Coordination methods, 25th IFIP TC7 Conference on System Modeling and Optimization, Berlin, September 2011

• Eugenio Mijangos, "An algorithm for two-stage stochastic quadratic problems", 25th IFIP TC7 Conference on System Modeling and Optimization, Berlin, September 2011

• Eugenio Mijangos, Solving Two-stage Stochastic Quadratic Problems using the TNF Strategy, 19th Triennial Conference of International Federation for Opertional Research Societies (IFORS). Melbourne, Australia. July 2011

• Eugenio Mijangos, Solving linearly-constrained nonlinear stochastic problems, International Conference on Operations Research (OR 2011), Zurich, Suiza, August 2011

• A. Ferrer, A gobal optmizatin algorithm for solving quasiconvex location programming problems. IN3-HAROSA International Workshop on Applied Optimization and Distributed Computing, IN3-UOC, Barcelona, Spain, July 18-19. Invited presentation.

• Cristina Corchero, F.-Javier Heredia, Eugenio Mijangos,  Efficient Solution of Optimal Multimarket Electricity Bid Models, 8th Conference on European Energy Market EEM11, Zagreb, Croatia, May 2011.

2010

• Narcís Nabona, Laura Marí, Medium-term generation planning optimization in liberalized electricity markets, Conference on Numerical Optimization and Applications in Engineering, Centre de Recerca Matemàtica (CRM), Bellaterra (Catalonia), October 2010. Invited presentation.

• J. Castro, A class of interior-point methods for structured problems: theory and applications, Conference on Numerical Optimization and Applications in Engineering, Centre de Recerca Matematica (CRM), Bellaterra (Catalonia), October 2010. Invited presentation.

• J. Castro, J.A. González, A tool for analyzing and fixing infeasible RCTA instances, Privacy in Statistical Databases 2010, Corfu (Greece), September 2010.

• J. Castro, J. Cuesta, Existence, uniqueness and convergence of the regularized primal-dual central path, XXXII Congreso Nacional de Estadística e Investigación Operativa, A Coruña, Spain, September 2010.

• F.-Javier Heredia, Cristina Corchero, M.-Pilar Muñoz, Eugenio Mijangos, Electricity Market Optimization: finding the best bid through stochastic programming., Conference on Numerical Optimization and Applications in Engineering (NUMOPEN-2010), Centre de Recerca Matemàtica (CRM) Barcelona, Spain., 13-15/10/2010. Invited presentation.

• Laura Marí, Narcís Nabona, Medium-term Generation Planning in Liberalized Mixed Electricity Markets, International Conference on Operations Research, Munich, Germany, 01-03/09/2010. Contributed presentation.

• Laura Marí, Narcís Nabona, Endogenous model for medium-term electricity generation planning in liberalized mixed markets, 24th European Conference on Operational Research, Lisboa, 11-14/07/2010. Invited presentation.

• Eugenio Mijangos, F-Javier Heredia, Cristina Corchero, Solving electric market problems by perspective cuts, International Conference on Operations Research, Munich, Germany, 01-03/09/2010. Contributed presentation.

• Eugenio Mijangos, F.-Javier heredia, Perspective cuts for solving the optimal electricity market bid problem with bilateral contracts, 24th European Conference on Operational Research, Lisboa, 11-14/07/2010. Invited presentation.

• Cristina Corchero, F.-Javier Heredia, M.-Pilar Muñoz, Optimal day-ahead bidding strategy with futures and bilateral contracts. Scenario generation through factor models, 24th European Conference on Operational Research, Lisboa, 11-14/07/2010. Invited presentation.

• J. A. González, J. Castro, Solving tough instances of the controlled tabular adjustment problem, 24th European Conference on Operational Research-EURO 2010, Session on Large-scale Mixed Optimization Problems, Universidade de Lisboa, Lisboa (Portugal), July 2010. Invited presentation.

• A. Ferrer, Using extended cutting angle and penalty methods for solving semi-infinite programming problems, 24th European Conference on Operational Research-EURO 2010. Session on Nonsmooth Global Optimization. Universidade de Lisboa, Lisboa, 11-14/07/2010. Invited presentation. (ext. abstract on electronic CD)

• Cristina Corchero, F.-Javier Heredia, Optimal Day-Ahead Bidding in the MIBEL's Multimarket Energy Production System, 7th Conference on European Energy Market EEM10, Madrid, Spain, 23-25/06/2010

• F.-Javier Heredia, Narcís Nabona, Cristina Corchero, Project DPI2008-02153: 2on year progress meeting with Gas Natural Fenosa, DPI2008-02153 progress meeting, Madrid, Spain, 14/12/2010.

• F.-Javier Heredia, Cristina Corchero, M.-Pilar Muñoz, Eugenio Mijangos, Electricity Market Optimization: finding the best bid through stochastic programming., Conference on Numerical Optimization and Applications in Engineering (NUMOPEN-2010), Centre de Recerca Matemàtica. UAB. Barcelona, Spain., 13-15/10/2010.

• J. Castro, J. Cuesta, Improving a class of PCG-based interior-point methods by quadratic regularizations, Joint SIMAI/SEMA Conference on Applied and Industrial Mathematics, Minisimposium of Numerical Solution of Large Linear Systems in Numerical Optimization, University of Cagliari, Cagliari (Italia), June 2010. Invited presentation.

• J. Castro, Statistical disclosure control in tabular data, Research seminar, Department of Mathematics, Universitat de Lleida, Lleida (Catalonia), June 1, 2010. Invited presentation.

2009

• J. Castro, J.A. González, A package for $L_1$ controlled tabular adjustment. Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Bilbao (Basque Country), December 2009. Invited presentation.

• J. Castro, Advances on statistical disclosure control: tabular data protection of business data. IDESCAT seminar/technical session, IDESCAT, the National Statistical Institute of Catalonia, Barcelona, July 17 2009. Invited presentation.

• J. Castro, J. Cuesta, Improving an interior-point algorithm for multicommodity flows by quadratic regularizations, International Network Optimization Conference 2009, Pisa, Italia, April 2009. Invited presentation.

• J. Castro, J. Cuesta, Mejora de métodos iterativos en algoritmos de punto interior a través de regularizaciones cuadràticas, XXXI Congreso Nacional de Estadística e Investigación Operativa, Murcia, Spain, February 2009.

• J. Castro, J.A. González, Métodos heurísticos y exactos para el problema de ajuste controlado de tablas, XXXI Congreso Nacional de Estadística e Investigación Operativa, Murcia, Spain, February 2009.
• J. Castro, J. A.  González, (2009). A package for L₁ controlled tabular adjustment, UNECE/Eurostat Work Session on Statistical Data Confidentiality, diciembre 2009. Bilbao, España.

• J. Castro, A. Ouorou, An interior-point algorithm for routing in data telecommunications networks, International Network Optimization Conference 2009, Pisa, Italia, April 2009. Invited presentation. 
  

• C.Corchero, M.T. Vespucci, F. J. Heredia, M. Innorta, A stochastic approach to the decision support procedure for a Generation Company operating on Day-Ahead and Physical Derivatives Electricity Market, EURO XXIII: 23rd European Conference on Operational Research, Bonn, Germany, 05-08/07/2009.

• A. Ferrer et alt., Using discrte-event simulation to design reliable and cost-efficient civil-engineering structures, 261-266, ISSN/ISBN: 978-84-692-5414-1. 21st European Modeling and Simulation Symposium, Puerto de la Cruz, Tenerife, España. (2009)

• A. Ferrer, G. Beliakov, An efficient algorithm for solving DC programs based on tehe cutting angle method, 23rd European Conference on Operational Research, Bonn, Germany, 05-08/07/2009. Invited presentation. (ext. abstract on electronic CD)

• A. Ferrer et alt., Discrete event simulation and fuzzy sets in structural reliability and availability in building construction (extended abstract on electronic CD), I Congreso Internacional de Investigación en Edificación, Madrid, España.(2009)

• F. J. Heredia, M. J. Rider, C. Corchero, Optimal Bidding Strategies for Thermal and Combined Cycle Units in the Day-ahead Electricity Market with Bilateral Contracts, 2009 Power Engineering Society General Meeting, vol. 1, Calgary, Alberta, Canada, IEEE, pp. 1-6, 26-30/07/2009. Poster. Paper

• F. J. Heredia, C.Corchero, Stochastic programming models for optimal bid strategies in the Iberian Electricity Market, The 20th International Symposium of Mathematical Programming (ISMP), Chicago, 23-28/08/2009.

• M. P. Muñoz, C.Corchero, F.J. Heredia, Improving electricity market price scenarios by means of forecasting factor models, The 57th Session of the International Statistical Institute, Durban, South Africa, International Statistical Institute, 16-22/08/2009.

• L. Sainz, J. J. Mesas, A. Ferrer, Estimation of single-phase uncontrolled rectifier parameters, 57-61, SSN/ISBN: 978-0-88986-807-6. Ninth IASTED European Conference, Power and Energy Systems, Palma de Mallorca, España. (2009) .

• L. Sainz, J. J. Mesas, A. Ferrer, Deterministic and experimental study on three-phase pulse rectifiers, 62-66, ISSN/ISBN: 978-0-88986-807-6. Ninth IASTED European Conference, Power and Energy Systems, Palma de Mallorca, Espanya.(2009).

• L. Sainz, J. J. Mesas, A. Ferrer, Discharge Lamp Harmonic Interaction Study by Monte Carlo Simulation and Experimental Measurements, 303-308, ISSN/ISBN: 978-1-4244-2291-3. IEEE Second International Conference on Power Engineering, Energy and Electrical Drives (POWERENG'2009), Lisbon, Portugal. (2009)

• L. Sainz, J. J. Mesas, A. Ferrer, Deterministic and Stochastic Study oof tehe Three-Phase Non-linear Load Behavior, 297-302, ISSN/ISBN: 978-1-4244-2291-3. IEEE Second International Conference on Power Engineering, Energy and Electrical Drives (POWERENG'2009), Lisbon, Portugal.

• M.T. Vespucci, C. Corchero, M. Innorta, F.J. Heredia, A decision support procedure for the short-term scheduling problem of a generation company operating on day-ahead and physical derivatives electricity markets, 11th International Conference on the Modern Information Technology in the Innovation Processes of the Industrial Enterprises, Bergamo, Italy, 15-16/10/2009
• M.T. Vespucci, C. Corchero, F. J. Heredia, M. Innorta, A Short-term Scheduling Model for a Generation Company operating on Day-Ahead and Physical Derivatives Electricity Markets, Third FIMA International Conference, Gressoney Saint Jean, Italy., 19-22/01/2009.

2008

• J. Castro, A stochastic programming approach to cash management in banking, Seminar of the Faculty of Mathematics, Universidad de Sevilla, Sevilla (Spain), November 18, 2008. Invited presentation.

• J. Castro, Improving iterative solvers in IPMs for structured problems through quadratic regularizations, Research seminar of the Department of Statistics, Universidad Carlos III de Madrid, Getafe (Spain), October 3, 2008. Invited presentation.

• J. Castro, Iterative solvers in interior-point methods for structured problems, Research seminar of The Computer and Automation Research Institute , Hungarian Academy of Sciences, Budapest (Hungary), April 17 2008. Invited presentation.

• J. Castro Interior point methods for LP, QP and convex problems: theory, implementation, and applications, First Intensive School on Mathematical Programming and Applications, CIEM Castro-Urdiales (Spain), January 30--31 2008. Invited presentation.

• J. Castro, D. Baena, Using a Mathematical Programming Modeling Language for Optimal CTA, Privacy in Statistical Databases 2008, Istanbul (Turkey), September 2008.

• J. Castro, J. Cuesta, Improving iterative solvers in IPMs for structured problems through quadratic regularizations, International Conference on Applied Mathematical Programming and Modelling APMOD, Bratislava (Slovak Republic), May 2008. Invited presentation.

• C. Corchero, F. J. Heredia, M.T. Vespucci, M. Innorta, A decision support procedure for a Price-Taker producer operating on Day-Ahead and Physical Derivatives Electricity Markets, V International Summer School in Risk Measurement and Control, Roma, Luiss Guido Carli University, 30/06-04/07/2008.

• C. Corchero, F. J. Heredia, Stochastic optimal day-ahead bid with physical future contracts, International Workshop on Operational Research 2008, Dept. of Statistics and Operational Research, Univ. Rey Juan Carlos, Madrid, Spain., Dept. of Statistics and Operational Research, Univ. Rey Juan Carlos., pp. 77, 05-07/06/2008.

• F. J. Heredia, M. J. Rider, C.Corchero, Stochastic programming model for the day-ahead bid and bilateral contracts settlement problem, International Workshop on Operational Research 2008, Dept. of Statistics and Operational Research, Univ. Rey Juan Carlos, Madrid, Spain, Dept. of Statistics and Operational Research, Univ. Rey Juan Carlos., pp. 79, 5-7/06/2008.

• F. J. Heredia, M. J. Rider, C.Corchero, Optimal thermal and virtual power plants operation in the day-ahead electricity market., APMOD 2008 International Conference on Applied Mathematical Programming and Modelling, Comenius University, Bratislava, Slovak Republic, pp. 21, 27-30/05/2008.

• L. Sainz, J. J. Mesas, A. Ferrer,  A simulation-based algorithm to predict time-dependent structural reliability, 555-564, ISSN/ISBN: 978-3-8167-7798-4. 13th ASIM Conference on Simulation in Production and Logistics, Berlin, Germany (2008)

• L. Sainz, J. J. Mesas, A. Ferrer, Deterministic and experimental study on three-phase pulse rectifiers, 608:44-49, ISSN/ISBN: 978-0-88986-733-8. Eighth IASTED Internacional Conference. Power and energy systems, Corfu, Greece (2008)

• M. T. Vespucci , C. Corchero, M. Innorta,  F. J. Heredia, A decision support procedure for the short-term scheduling problem of a Generation Company operating on Day-Ahead and Physical Derivatives Electricity Markets, 43rd Euro Working Group on Financial Modelling Meeting, Cass Business School, City University, London, Euro Working Group on Financial Modelling, 4-5/09/2008.

• J. Castro, J. Cuesta, Improving preconditioners in interior-point methods for optimization through quadratic regularizations, 2007 International Conference On Preconditioning Techniques For Large Sparse Matrix Problems In Scientific And Industrial Applications, Toulouse (France), July 2007.

• J. Castro, A. Ouorou, An interior-point approach for convex routing problems in data telecommunication networks, Second Mathematical Programming Society International Conference on Continuous Optimization, McMaster University, Hamilton (Ontario, Canada), August 2007. Invited presentation.

• C. Corchero, F. J. Heredia, A mixed-integer stochastic programming model for the day-ahead and futures energy markets coordination, EURO XXII: 2nd European Conference on Operational Reserach, Prague, Czech Republic, The Association of European Operational Research Societies, 08/07/2007.

• A. Ferrer et alt.,  aCTeX, an e-learning software. Teaching and learning experiences, (extended abstract, extended abstract on electronic CD). Jornada de innovación docente en la UPC, Barcelona, España. (2007)

• S. Giessing, A. Hundepool, J. Castro, Rounding methods for protecting EU-aggregates, Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality, Manchester (United Kingdom), December 2007. Invited presentation.

• A. Pagès, N. Nabona , A. Ferrer, Joint solution to the long-term power generation planning  and maintenance scheduling, 408-409, ISSN/ISBN:978-83-88309-0.  23  Congreso IFIP TC7 on System Modeling and Optimization, Cracóvia (Polonia), Julio 2007.

• J. Castro, D. Baena, Automatic structure detection in constraints of tabular data, Privacy in Statistical Databases 2006, Roma (Italia), December 2006.

• J. Castro, S. Giessing, Quality issues of minimum distance controlled tabular adjustment, European Conference on Quality in Survey Statistics, Cardiff (Wales, UK), April 2006.

• J. Cuesta, J. Castro, Quadratic regularizations in an interior-point method based on iterative solvers, Applied Mathematical Programming and Modelling APMOD 2006, Madrid (Spain), June 2006.

• C. Corchero, F. J. Heredia, Optimal Short-Term Strategies for a Generation Company in the MIBEL, APMOD 2006: Applied Mathematical Programming and Modellization, Madrid, 19-21/06/06.

• A. Ferrer, Teaching applied statistics at UPC: integrating lectures, satistical sofware and e-learning (ext. abstract, on electronic CD) . International Congress of Mathematics 2006 (ICM 2006), Madrid, Espanya.

• A. Ferrer,  Bounded lower subdifferientiability optimization techniques. Application, 21st European Conference on Operational Research, Reykjavic, Iceland. Invited presentation. (ext. abstract on electronic CD)

• A. Pagès,  N. Nabona, A model for the joint optimization of the long-term generation planning and maintenance of the units, Seminario RETOBI sobre Decisiones bajo incertidumbre en el Sector Eléctrico, Barcelona, Mayo 2006.
  

2004

• J. Castro, A fast network flows heuristic for cell suppression in positive tables, Privacy in Statistical Databases, Barcelona (Catalonia), June 2004.

• J. Castro, Computational experiments with minimum-distance controlled perturbation methods, Privacy in Statistical Databases, Barcelona (Catalonia), June 2004.

• J. Castro, Large-scale optimization in statistical tabular data protection, Computational Management Science Conference, Neuchatel (Switzerland), April 2004. Chairman of session: Optimization methods and applications.

• A. Ferrer, A telematic tool for autolearning (ext. Abstract en las Actas del Congreso). 3r Congreso Internacional de Docencia Universitaria e Innovación , Girona, España.(2004)

• F. J. Heredia, C. Beltran, Generalized Unit Commitment, Applied Mathematical Programming and Modellization (APMOD 2004), Brunel University, Uxbridge, UK., 21-23/06/2004.

• N. Nabona, Efficient IP methods to solve the short-term electric generation scheduling problem. Convergence principles and ill-conditioning, Computational Management Science Conference, Université de Neuchâtel, Suiza, Abril 2004.

• J. Castro, A perturbation method for statistical data protection by interior-point algorithms, 27 Congreso Nacional de Estadística e Investigación Operativa, Lleida (Catalonia, Spain), April 2003.

• J. Castro, Un algoritmo de punto interior para flujos multiartículo cuadráticos, 27 Congreso Nacional de Estadística e Investigación Operativa, Lleida (Catalonia, Spain), April 2003.

• J. Castro, Quadratic interior-point methods in statistical disclosure control, International Workshop on Computational Management Science, Economics, Finance and Engineering , Limassol (Cyprus), March 2003. Invited presentation. J. A. González, J. Castro, A multicommodity model for transport network planning and combined flows, 27 Congreso Nacional de Estadística e Investigación Operativa, Lleida (Catalonia, Spain), April 2003.

• J. A. González, J. Castro, J.(2003). A multicommodity model for transport network planning and combined flows, XXVII Congreso de la SEIO, abril 2003. Lleida, España.

• F. J. Heredia, C. Beltran, The radar multiplier method: a two-phase approach for large scale nonlinear combinatorial optimization problems, 21th IFIP TC7 Conference on System Modelling and Optimization, Sophia Antipolis, France, INRIA, pp. 92, 21-25/07/2003.

• N. Nabona y A. Pagès, Models and Optimization Techniques in long-term electric power planning using the Bloom and Gallant formulation, 21^st IFIP TC7 on System Modeling and Optimization, Sophia-Antipolis, Niza (Francia), Julio  2003.

2002

• A. Ferrer,  Applaying global optimization to a problem in short-term hydrothermal scheduling, 263-285, ISSN/ISBN: 978-83-88309-0. 7th International Symposium on Generalized Convexity and Generalized Monotonicity, Hanoi, Vietnam. (2002)

• A. Ferrer, Aprendizaje vía la realización de "Proyectos Integrados", 59-64, ISSN/ISBN: 84-699-81262-5. I Jornada de reflexión sobre la docencia y la investigación en la Universidad Barcelona, España . (2002)

• F. J. Heredia, Tutorial on Nonlinear Optimization, 1BWSA, First Barcelona Workshop on Survival Analysis, Universitat Politècnica de Catalunya, Barcelona, Spain., 12-14/06/2002.

2001

• J. Castro, Network flows heuristics for complementary cell suppression: an empirical evaluation and extensions, Statistical Disclosure Control: from theory to practice, Eurostat, Luxembourg, December 2001. Invited presentation.

• J. Castro, Solving quadratic multicommodity problems through an interior-point algorithm, 20th IFIP TC7 Conference on System Modelling and Optimization, Trier (Germany), July 2001.

• J. Castro, F.J. Heredia, Using modeling languages for the complementary suppression problem through network flow models, 2nd Joint UNECE/EUROSTAT Work Session on Statistical Data Confidentiality, Skopje, Republic of Macedonia., March 2001.

• J.A. González, J. Castro, A nonlinear optimization package for long-term hydrothermal coordination, EURO 2001 - European Operational Research Conference, Rotterdam (Netherlands), July 2001.

• F. J. Heredia, PLANNC: a projected Lagrangian based implementation for constrained nonlinear network flow problems, 20h IFIP TC7 Conference on System Modelling and Optimization, Trier, Germany., 23-27/07/2001.

• N. Nabona A. Ramos,  Linearly and nonlinearly constrained optimization using the “naive” and Vanderbei and Shannos’s interior-point algorithms, 20^th IFIP TC7 Conference on System Modelling and Optimization, Universität Trier, Trier, Germany, 2001.

• D. Rosas, J. Castro, L. Montero, Using ACCPM in the master problem of a restricted simplicial decomposition algorithm for the traffic assignment problem, TRISTAN IV - Triennial Symposium on Transportation Analysis, Azores Islands (Portugal), June 2001.

2000

• J. Castro, Recent advances in the solution of the multicommodity flow problem, RIMO II Conference, Madrid (Spain), December 2000.

• J. Castro, A. Frangioni, A parallel implementation of an interior-point algorithm for multicommodity network flows, 4th International Meeting on Vector and Parallel Processing VECPAR2000, Faculdade de Engenharia da Universidade do Porto, Porto (Portugal), June 2000.

• J. Castro, Solving difficult multicommodity problems through a specialized interior-point algorithm, Applied Mathematical Programming and Modelling APMOD 2000, Brunel University, Uxbridge, London (England), April 2000. Invited presentation.

• F. J. Heredia, Constrained nonlinear network flow problems through projected Lagrangian methods, 4th world conference on Circuits, Systems, Communications and Computers CSCC2000, Greece, Athens, 9-16/07/2000.

• F.-Javier Heredia, Cesar Beltrán, The Radar Subgradient Method Applied to the Unit Commitment Problem, 9th Stockolm Optimization Days, Stockholm, Sweden, 06/2000.

1999

• C. Beltran, F. J. Heredia, Augmented Lagrangean Relaxation and Decomposition Applied to the Short-Term Hydrothermal Coordination Problem, 19th IFIP TC7 Conference on System Modelling and Optimization, Cambridge, U.K., 12-16/07/1999.

• J. Castro, Computational experience with a parallel implementation of an interior-point algorithm for multicommodity flows, 19th IFIP TC7 Conference on System Modelling and Optimization, Cambridge (England), July 1999.

• A. Ferrer, Decomposition of a polynomial function as a difference of convex polynomials, with an application, 189-207, ISSN/ISBN: 3-540-41806-7. 6th International Symposium of Generalized Convexity/Monotonicity, Samos, Greece. (1999)

• F. J. Heredia, Computational study of NOXCB: an optimization code for the nonlinear network flow problem with linear side constraints, 19th IFIP TC7 Conference on System Modelling and Optimization, Cambridge, U.K., 12-16/07/99.

• N. Nabona, Probabilistic long-term coordination of hydrothermal electric power generation using a multi-interval Bloom and Gallant model and expected hydrogeneration contribution functions, 19^th IFIP TC7 Conference on System Modelling and Optimization, Cambridge University, Cambridge, G.B, 1999.

1998

• C. Beltran, F. J. Heredia, Short-Term Hydrothermal Coordination by Augmented Lagrangean Relaxation: a new Multiplier Updating, IX Congreso Latino-Iberoamericano de Investigación Operativa, Buenos Aires, Argentina, 31-4/08/98.

• J. Castro, An interior-point algorithm for multicommodity network flows, CORS-INFORMS Meeting, Montréal (Canada), April 1998. Invited presentation.

• A. Ferrer, A global optimization neighbourhood for D. C. fuctions, (ext. Abstract en las Actas del Congreso).  XXXIV Congreso nacional de estadística e investigación operativa, Almeria, España. (1998)