Conferences

2018

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.
  • 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

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.
  • 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.

2014

  • 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 problemOptimization, 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)
    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

2009

  • 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. 
  • 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)
  • 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.

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, 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.
  • 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)

2007

  • J. Castro, Statistical tables and privacy, Summer School of the Universitat Rovira i Virgili,, Tarragona, June 2007. Invited presentation.
  • 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.
  • 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.

2006

  • 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.
  • 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.

2005

  • J. Castro, S. Giessing, Testing variants of minimum distance controlled tabular adjustment, UNECE Work Session on Statistical Data Confidentiality, Geneva (Switzerland), November 2005. Invited presentation.
  • A. Ferrer, Improving a D. C. representation of a polynomial function ext. abstract, on electronic CD), ISSN/ISBN: 978-83-88309-0. 6th International Conference on Optimization: Techniques and applications (ICOTA6), Ballarat, Australia.(2005)
  • N. Nabona, The naive interior-point method of linearly and nonlinearly constrained quadratic programming.  Convergence and results, SIAM Optimization Conference 2005, City Conf. Center, Estocolmo, Suecia. Mayo 2005
  • A. Pagès, N. Nabona, Column generation methods and a heuristic for solving the long-term electric power planning problem. SIAM Optimization Conference 2005 City Conf. Center, Estocolmo, Suecia. Mayo 2005
  • A. Pagès, J. Gondzio, N. Nabona, Interior point solution for the long term electric power planning problem using the Bloom and Gallant formulation, 22 Congreso IFIP TC7 on System Modeling and Optimization, Torino (Italia), Julio 2005.

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.

2003

  • 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.

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.
  • N. Nabona A. Ramos,  Linearly and nonlinearly constrained optimization using the “naive” and Vanderbei and Shannos’s interior-point algorithms, 20th 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.

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, 19th IFIP TC7 Conference on System Modelling and Optimization, Cambridge University, Cambridge, G.B, 1999.

1998

  • 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)

1997

  • J. Castro, Using the normal equations in a quadratic interior-point algorithm, Joint International Meeting EURO XV-INFORMS XXXIV, Barcelona (Catalonia, Spain), July 1997. Invited presentation.
  • J. Castro, A parallel implementation of a primal-dual interior-point algorithm for multicommodity network flows, Joint International Meeting EURO XV-INFORMS XXXIV, Barcelona (Catalonia, Spain), July 1997. Invited presentation.
  • J. Castro, Applying interior-point methods to the solution of the short-term hydrothermal coordination problem, 23 Congreso Nacional de Estadística e Investigación Operativa, Valencia (Spain), March 1997.

1996

  • A. Chiva, F. J. Heredia, N. Nabona, Network model of short-term optimal hydrothermal power floe with security constraints, Stockholm Power Tech, Royal Institute of Technological, Stockholm, 1996.

1995

  • J. Castro, N. Nabona, Primal-dual interior-point method for multicommodity network flows with side constraints and comparison with alternative methods, 17th IFIP TC7 Conference on System Modelling and Optimization, Prague (Czech Republic), July 1995.
  • A. Ferrer,  Propuesta de aprendizaje dinámico vía calculadores simbólicos, 123-132, ISSN/ISBN: 84-7653-485-X. Jornadas sobre nuevas tecnologías en la enseñanza de las matemáticas en la universidad (TEMU-95), Barcelona, España.

1994

  • N. Nabona, J. Castro, J. A. González, Optimum long-term hydrothermal coordination with fuel limits, '94 IEEE Summer Meeting PWRS, San Francisco (U.S.), August 1994.

1993

  • J. Castro, N. Nabona, Nonlinear multicommodity network flows through primal partitioning and comparison with alternative methods, 16th IFIP TC7 Conference on System Modelling and Optimization, Compiègne (France), June 1993.

1992

  • N. Nabona, J. Castro, J. A. González, Long-term hydrothermal coordination of electricity generation with power and energy constraints, First European Conference on Numerical Methods and Engineering, Bruxelles (Belgique), September 1992.

1991