RESULTS
Publications
- J. Castro, A. Frangioni, C. Gentile.
Perspective reformulations of the CTA problem with L2 distances. Working paper.
- J. Castro, A. Ouorou. An interior-point algorithm for routing in data
telecommunications networks. Working paper.
- J. Castro,
Statistical disclosure control in tabular data,
Research Report DR 2009/11,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2009.
To appear as a chapter of Privacy and Anonymity in Information
Management Systems, Springer, 2010.
- J.A. González, J. Castro,
Block coordinate descent decomposition for statistical data protection
using controlled tabular adjustment,
Research Report DR 2009/10,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2009. Submitted to
Computers and Operations Research
- J. Castro, J. Cuesta,
Improving an interior-point algorithm for multicommodity
flows by quadratic regularizations,
Research Report DR 2009/09,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2009. Submitted
to Networks.
- J. Cuesta, J. Castro,
Existence and uniqueness of the regularized primal-dual central path,
Research Report DR 2009/08,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2009. Submitted
to Operations Research Letters (first revision in progress).
- J. Castro, J. Cuesta,
Quadratic regularizations in an interior-point method for primal
block-angular problems,
Mathematical Programming, DOI:10.1007/s10107-010-0341-2, in press (2010).
Previously appeared as
Research Report DR 2008/07,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2008.
- A. Alabi, J. Castro,
A mathematical model of refinery operations characterised by complete horizontal
integration of subsystems from purchase to product distribution,
Hydrocarbon World, 4(2) (2009) 55-56.
- J. Castro, D. Baena,
Using a mathematical programming modeling language for optimal CTA,
Lecture Notes in Computer Science, 5262 (2008) 1-12,
eds. J. Domingo-Ferrer and Y. Saigin, © Springer.
- A. Alabi, J. Castro.
Dantzig-Wolfe and block coordinate-descent decomposition in large-scale integrated refinery-planning,
Computers and Operations Research, 36 (2009) 2472-2483.
Previously appeared as
Research Report DR 2008/01,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2008.
- S. Giessing, A. Hundepool, J. Castro,
Rounding methods for protecting EU-aggregates,
in
Eurostat methodologies
and working papers. Worksession on statistical data confidentiality. , Eurostat-Office for Official Publications of the
European Communities, Luxembourg, 2009, 255-264. ISBN 978-92-79-12055-8.
- J. Castro, J.A. González, D. Baena.
User's and programmer's manual of the RCTA package,
Technical Report DR 2009/01,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2009.
Publications partially related with the project
- D. Rosas, J. Castro, L. Montero,
Using ACCPM in a simplicial decomposition algorithm for the
traffic assignment problem,
Computational Optimization and Applications, 44 (2009) 289-313.
Previously appeared as
Research Report DR 2002/04,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2002.
- J. Castro,
A stochastic programming approach to cash management in banking,
European Journal of Operational Research, 192 (2009) 963-974.
Previously appeared as
Research Report DR 2004/14,
Dept. of Statistics and Operations Research,
Universitat Politècnica de Catalunya, 2004.
Conference and seminar presentations
- 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, A. Ouorou, An interior-point algorithm for routing in data
telecommunications networks, International Network Optimization Conference
2009, Pisa, Italia, April 2009. Invited presentation.
- 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. 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,
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, D. Baena,
Using a Mathematical Programming Modeling Language for Optimal CTA,
Privacy in Statistical Databases 2008,
Istanbul (Turkey), September 2008.
- J. Castro and 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.
- 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.
- S. Giessing, A. Hundepool and J. Castro,
Rounding methods for protecting EU-aggregates ,
Joint UNECE/Eurostat Work Session on Statistical Data Confidentiality,
Manchester (United Kingdom), December 2007. Invited presentation.
- J. Castro and 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.
- J. Castro and 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.
PhD dissertations
- Jordi Cuesta. Contribucions als algorismes de punt interior basats en mètodes iteratius per
a sistemes d'equacions. September 29 2009.
- Adebayo Alabi. Large-scale optimization algorithms with applications in
oil refinery. In progress.
Technology transfer contracts
- Contract C07120 with Statistics Netherlands (in collaboration with Statistics
Germany and to work on a project funded by Eurostat) for consultation and
technical
assistance in statistical confidentiality of European aggregates for
structural business statistics. 2007.
- Contract C07254
with Statistics Netherlands (in collaboration with Statistics
Germany and to work on a project funded by Eurostat)
for implementation of a CTA code for
statistical confidentiality of European aggregates for structural business
statistics. 2008.
- Contract C07305 with IDESCAT (National Statistical Institute of Catalonia)
for consultation and technical
assistance in statistical confidentiality of tabular data. 2008.
- Contract Y00121
with eWater Ltd (Canberra, Australia) for license agreement of
the PPRN package (only linear capabilities), including maintenance support.
2009.
- Contract C07809
with Statistics Netherlands (in collaboration with Statistics
Germany and to work on a project funded by Eurostat)
for extension of a CTA code for
statistical confidentiality of European aggregates for animal production
statistics. 2009-2010.