Curriculum Vitae

Name:
Boglárka Gazdag-Tóth
Maiden Name:
Boglárka Tóth
Date, place of birth:
April 18, 1977., Budapest, Hungary
Affiliation:
July, 2007 -  Budapest University of Technology and Economics, Institute of Mathematics, Department of Differential Equations
Position:
 associate professor
E-mail:
bog@math.bme.hu
Education:
1995-1998  B.Sc. studies: in economics, computer science and mathematics as Computer Economist at József Attila University, Szeged, Hungary
1998-2000 M.Sc. studies: in computer science and mathematics as Computer Program Designer at József Attila University, Szeged, Hungary
2000-2003 Ph.D Student at Department of Informatics in University of Szeged, Hungary
2003-2007 doctoral fellow at the Faculty of Mathematics of University of Murcia
2007 June Ph.D defence of the dissertation Interval Methods for Competitive Location Problems
Klowledge of languages:
English: intermediate level (spoken and written)
Spanish: intermediate level of professional language (spoken and written)
Teaching Experience:
From 1998 until 2000 as a demonstrator, from 2000 until 2003 as a Ph.D. student, and from 2003 until 2007 as research assistant teaching exercise curses at the Institute of Informatics, University of Szeged in the following subjects:
Numerical Analysis, Operation Systems, Operations Research, Basis of Computer Science, Applications of Optimization and The tools of AI.
From 2007 as assistant professor teaching courses in basic mathematics, Optimization Models and Global Optmization at the Institute of Matematics, Budapest University of Technology and Economics.
Professional Experiences:
2003 - 2007  research assistant at the Research Group of Artificial Intelligence of the Hungarian Academy of Sciences and University of Szeged
Long term visits, visiting research positions:
2001, 1 month at Technical University of Ilmenau (Germany) with DAAD Fellowship
2002, 4 months at University of Almería (Spain) with Erasmus/Socrates Fellowship
2002, 2 weeks at University of Almería (Spain) with OM Fellowship
2003, 4 months at University of Vienna (Austria) as a research assistant (COCONUT project
2003-2007 at the University of Murcia with the FPI doctoral fellowship of the Ministry of Education and Science of Spain.
Membership:
2001- Hungarian Operational Research Society (HORS)
Awards:
First and second prize at the local Scientific Conference for Students, Szeged, Hungary, 2000.
Excellent Talk Award, Conference of PhD Students in Computer Science, Szeged, 2000.
First prize at the Hungarian Scientific Conference for Students, Eger, Hungary, 2001.
Excellent student of the Faculty of Science Award, University of Szeged, 2001.
UPS-SOLA Dissertation Award of the INFORMS' Section on Location Analysis, 2007.
Gyula Farkas memorial price from the János Bolyai Mathematical Society, Hungary, 2007.
Finalist of the EURO Doctoral Dissertation Award, 2009.
János Bolyai Research Grant, Hungary, 2009-2011.
Conferences organized:
Participation in Research Projects:
2001-2004, Globális optimalizálási eljárások fejlesztése (Developing global optimization methods), OTKA (Hungarian Scientific Research Fund), Coordinator: Dr. Tibor Csendes (University of Szeged).
2001-2003, Globális optimalizálási eljárások fejlesztése (Developing global optimization methods), OMFB, Coordinator: Dr. Tibor Csendes (University of Szeged).
2002-2004, Métodos seguros de Optimización Global y su paralelización (Reliable methods of Global Optimization and its paralelization) Spanish Ministry of Foreign Affairs, Spanish-Hungarian Scientific Cooperation (SP25/01), Coordinator: Dr. Inmaculada García Fernández (University of Almería) and Dr. Tibor Csendes (University of Szeged).
1.11.2002 - 31.10.2005, Análisis y optimización de estrategias para la localización de actividades económicas en sutuaciones de competencia. Spanish Ministry of Science and Technology (National plan of I+D+I) (BEC2002-01026), 30.630 euros, Coordinator: Dr. Blas Pelegrín Pelegrín (University of Murcia).
1.05.2005 - 30.04.2006, Red temática de Análisis y Aplicaciones de Decisiones sobre Localización de Servicios y Problemas Relacionados, Spanish Ministry of Science and Technology (MTM2004-22566-E), 6.000 euros, Coordinator: Dr. Elena Fernández (Universitat Politècnica de Catalunya).
1.09.2005 - 30.09.2005, International Workshop on Global Optimization, Spanish Ministry of Science and Technology (MTM2004-20220-E), 7.000 euros, Coordinator: Dr. Inmaculada García Fernández (University of Almería).
1.05.2006 - 30.04.2007, Red temática de Análisis y Aplicaciones de Decisiones sobre Localización de Servicios y Problemas Relacionados, Spanish Ministry of Education and Science (MTM2005-24550-E), 20.000 euros, Coordinator: Dr. Elena Fernández (Universitat Politècnica de Catalunya).
1.01.2005 - 31.12.2007, Métodos rigurosos de optimización y sus aplicaciones, Spanish Ministry of Education and Science, Spanish-Hungarian integrated action (HH2004-0014), 8.000 euros, Coordinator: Dr. Leocadio González Casado (University of Almería) and Dr. Tibor Csendes (University of Szeged).
31.12.2005 - 31.12.2008, Toma de decisiones sobre localización y diseño para la expansión de una firma, Spanish Ministry of Science and Innovation (National plan of I+D+I), (SEJ2005-06273/ECON), 46.529 euros, Coordinator: Blas Pelegrín Pelegrín (University of Murcia).
2009-2014, Computación de altas prestaciones en acción. Procesamiento de imágen, Optimización global y Multimedia. Spanish Ministry of Science and Innovation (National plan of I+D+I), (TIN2008-01117/TIN) Coordinator: Dr. Inmaculada García Fernández (University of Almería).
31.12.2009 - 31.12.2011, Estrategias de localización de una firma y determinación de equilibrios, Spanish Ministry of Science and Innovation (National plan of I+D+I), (SEJ2009-06273/ECON), Coordinator: Blas Pelegrín Pelegrín (University of Murcia).
2009-2011, Computación de altas prestaciones en localización de recursos, Junta de Andalucía (National plan of I+D+I), Coordinator: Dr. Pilar Martínez Ortigosa (University of Almería).
Other scientific activities:
Research area:
global optimization, interval-arithmetic, reliable methods, location analysis


Publications


Books:
  1. García, I., Casado, L.G., Hendrix, E.M.T. and Tóth, B. (eds.), Proceedings of the International Workshop on Global Optimization, Universidad de Almería, Almería, 2005.
  2. E.M.T. Hendrix and B. G.-Tóth. Introduction to Nonlinear and Global Optimization. Springer, New York, ISBN 978-0-387-88669-5, 2010.
  3. B. G.-Tóth and J. Fernández Hernández. Interval Methods for Single and Bi-objective Optimization Problems: applied to Competitive Facility Location Models, LAP - Lambert Academic Publishing, ISBN: 978-3-8383-6624-1, 2010.
  4. S. Cafieri, B. G.-Tóth, E.M.T. Hendrix, L. Liberti, and F. Messine (eds.), Proceedings of the Toulouse Global Optimization workshop (TOGO10), Toulouse, 2010.


Papers and chapters of books:
  1. Márk Jelasity, Boglárka Tóth, and Tamás Vinkó: Characterizations of trajectory structure of fitness landscapes based on pairwise transition probabilities of solutions. In Proceedings of the 1999 Congress on Evolutionary Computation (CEC99), pages 623-630. IEEE Press, 1999.
  2. Tóth, Boglárka and Vinkó, Tamás. An efficient computer tool solving mathematical problems. In Hungarian. Polygon, XI, 19-42, 2002.
  3. J.A. Martínez, L.G. Casado, I. García, Ya.D. Sergeyev, and Tóth. B., On an efficient use of gradient information for accelerating interval global optimization algorithms. Numerical Algorithms, 37(1-4), 61-69, 2004.
  4. J.A. Martínez, L.G. Casado, I. García, and B. Tóth. AMIGO: Advanced Multidimensional Interval analysis Global Optimization algorithm. Nonconvex Optimization and Its Applications, 74, 313-326, Kluwer Academic Publisher, 2004.
  5. J. Fernández, B. Pelegrín, Tóth B. and F. Plastria. Localización competitiva en el plano con decisiones en diseño. In Avances en localización de servicios y sus aplicaciones, 109-138, Ed. Servicio de Publicaciones de la UMU (ISBN: 84-8371-507-4), 2004.
  6. Tóth B. and Csendes T. Empirical investigation of the convergence speed of inclusion functions. Reliable Computing, 11(4), 253-273., 2005.
  7. Balogh J. and Tóth B. Global optimization on Stiefel manifolds: a computatinal approach. Central European Journal of Operations Research, 13, 213-232, 2005.
  8. J. Fernández, Tóth B., F. Plastria and B. Pelegrín. Reconciling franchisor and franchisee: a planar biobjective competitive location and design model. In A. Seeger, editor Recent Advances in Optimization, Lectures Notes in Economics and Mathematical Systems 563, 375-398, Springer-Verlag, 2006.
  9. Tóth B., J. Fernández, and Csendes T. Empirical convergence speed of inclusion functions for facility location problems. Journal of Computational and Applied Mathematics, 199(2), 384-389, 2007.
  10. J. Fernández, B. Pelegrín, F. Plastria and Tóth B. Solving a Huff-like competitive location and design model for profit maximization in the plane, European Journal of Operational Research, 179(3), 1274-1287, 2007.
  11. J. Fernández, F. Plastria, B. Pelegrín and Tóth B. Planar location and design of a new facility with inner and outer competition: an interval lexicographical-like solution procedure. Network and Spatial Economics, 7(1), 19-44, 2007.
  12. Tóth B. and L.G. Casado. Multi-dimensional pruning from the Baumann point in an Interval Global Optimization Algorithm, Journal of Global Optimization, 38(2), 215-236, 2007.
  13. J. Fernández and Tóth B. Obtaining an outer approximation of the efficient set of nonlinear biobjective problems. Journal of Global Optimization, 38(2), 315-331, 2007.
  14. B. Pelegrín, J. Fernández and Tóth B. The 1-center problem in the plane with independent random weights, Computers and Operations Research, 35(3),737-749, 2008.
  15. Tóth B., J. Fernández, B. Pelegrín and F. Plastria. Sequential versus simultaneous approach in the location and design of two new facilities using planar Huff-like models, Computers & Operations Research 36, 1393-1405, 2008. doi:10.1016/j.cor.2008.02.006
  16. J. Fernández and Tóth B. Obtaining the efficient set of nonlinear biobjective optimization problems via interval branch-and-bound methods. Computational Optimization and Application, 42(3), 393-419, 2009. doi: 10.1007/s10589-007-9135-8.
  17. J. Fernández, Tóth B., L. Cánovas and B. Pelegrín. Decomposition of a polygon with holes into convex polygons, TOP, 16(2), 367-387, 2008. doi: 10.1007/s11750-008-0055-2
  18. B. Tóth, F. Plastria, J. Fernández and B. Pelegrín, On the impact of spatial pattern, aggregation, and model parameters in planar Huff-like competitive location and design problems, OR Spectrum, 31(3), 601-627, 2009.
    (an extended version of the paper can be downloaded at Optimization Online titled "Sensitivity analysis of the optimal solutions to Huff-type competitive location and design problems").
  19. Boglárka G.-Tóth and Vladik Kreinovich, Validated methods for computing Pareto sets: general algorithmic analysis, Int. J. Appl. Math. Comput. Sci., 19(3), 369-380, 2009.
  20. B. Torma and B. G.-Tóth. An efficient descent direction method with cutting planes, Central European Journal of Operations Research, 18(2), 105-130, 2010.
  21. L.G. Casado, I. García, B.G.-Tóth and E.M.T. Hendrix. On determining the cover of a simplex by spheres centered at its vertices, Journal of Global Optimization, 50(4), 645-655, 2011. DOI:10.1007/s10898-010-9524-x.


Abstracts and other scientific publications (international):
  1. Péter Gábor Szabó, Mihály Csaba Markót, Boglárka Tóth and Tamás Vinkó. Minimal polynomials and similar structures in the densest packing of equal circles in a square problem. 17th European Conference on Operational Research (EURO 2000), Budapest, July 16-19, 2000.
  2. Mihály Csaba Markót, Péter Gábor Szabó, Boglárka Tóth and Tamás Vinkó. Verification solutions of packing circle problems. 17th European Conference on Operational Research (EURO 2000), Budapest, July 16-19, 2000.
  3. Péter Gábor Szabó, Boglárka Tóth, Tamás Vinkó. Optimal disk packings in the square. 2nd Conference of PhD Students in Computer Science (CSCS), Szeged, July 20-23, 2000.
  4. Mihály Csaba Markót, Péter Gábor Szabó, Boglárka Tóth, Tamás Vinkó. Verification solutions of packing circle problems. 2nd Conference of PhD Students in Computer Science (CSCS), Szeged, July 20-23, 2000.
  5. Márk Jelasity, Boglárka Tóth and Tamás Vinkó. Measuring hardness of problems in evolutionary computations using Markov-processes 2nd Conference of PhD Students in Computer Science (CSCS), Szeged, July 20-23, 2000.
  6. Tóth B. Empirical investigation of the convergence speed of inclusion functions. 3rd Conference of PhD Students in Computer Science (CSCS2002), Szeged, July 1-4, 2002.
  7. Tóth B. Empirical investigation of the convergence speed of inclusion functions. 10th GAMM - IMACS International Symposium on Scientific Computing, Computer Arithmetic, and Validated Numerics (SCAN2002), Párizs, France, September 23 - 27, 2002.
  8. L. G. Casado, J.A. Martínez, I. García, Ya. D. Sergeyev. and Tóth B. Efficient use of gradient information in multidimensional interval global optimization algorithms. 4th International Conference on Frontiers in Global Optimization, Santorini, Greece, June 8-12, 2003.
  9. J. Fernández, B. Pelegrín, F. Plastria. and Tóth B. Location and design of a new facility under proportional and partially binary customers' preferences, XIV meeting of the Euro Working Group on Locational Analysis (EWGLA14), Corfu, Greece, September 11-13, 2003.
  10. J. Fernández, B. Pelegrín, F. Plastria. and Tóth B. Estimating actual distances and their influence on location problems: An empirical study, XIV meeting of the Euro Working Group on Locational Analysis (EWGLA14), Corfu, Greece, September 11-13, 2003.
  11. Balogh J. and Tóth B. Numerical methods and experiments of global optimization problems on Stiefel manifolds, 4th Conference of PhD Students in Computer Science (CSCS), Szeged, Hungary, July 1-4, 2004.
  12. Tóth B., J. Fernández, F. Plastria. and B. Pelegrín. On solving a Huff-type facility location and design problem, 4th Conference of PhD Students in Computer Science (CSCS), Szeged, Hungary, July 1-4, 2004.
  13. J. Fernández, B. Pelegrín, Tóth B. and F. Plastria. A biobjective single facility competitive location problem in the plane, XV meeting of the Euro Working Group on Locational Analysis (EWGLA15), Saarbrücken, Germany, September 5-8, 2004.
  14. J. Fernández, B. Pelegrín, F. Plastria, and Tóth B. On the location of a new franchise's outlet in a competitive market: a biobjective interval analysis approach, 12th French-German-Spanish Conference on Optimization, Avignon, France, September 20-24, 2004.
  15. Tóth B., J. Fernández. and T. Csendes. A comprehensive study on the convergence speed and efficiency of inclusion functions for facility location problems, SCAN 2004 (11th GAMM - IMACS International Symposium on Scientific Computing, Computer Arithmetic, and Validated Numerics), Fukoaka, Japan, October 4-8, 2004.
  16. J. Fernández, B. Tóth, B. Pelegrín and F. Plastria. Sensitivity analysis of a planar competitive location problem, ISOLDE X (10th International Symposium On Locational DEcisions), Sevilla-Islantilla, Spain, June 2-8, 2005.
  17. J. Fernández, B. Tóth, B. Pelegrín and F. Plastria. On the location of two new competitive facilities in the plane, ISOLDE X (10th International Symposium On Locational DEcisions), Sevilla-Islantilla, Spain, June 2-8, 2005.
  18. J. Fernández. and Tóth B. Constraint-like methods for obtaining an outer approximation of the efficient set of nonlinear biobjective problems, International Workshop on Global Optimization (GO 05), San José, Almería, Spain, September 18-22, 2005.
  19. Tóth B. and L.G. Casado. Pruning a box from Baumann point in an Interval Global Optimization Algorithm, International Workshop on Global Optimization, San José, Almería, Spain, September 18-22, 2005.
  20. J. Fernández. and Tóth B. Obtaining the efficient set of biobjective competitive facility location and design problems, 21st European Conference on Operational Research EURO XXI, Reykjavík, Iceland, July 2-5, 2006.
  21. Tóth B. and J. Fernández. Obtaining the efficient set of nonlinear biobjective optimization problems via interval branch-and-bound methods, SCAN 2006 (12th GAMM - IMACS International Symposium on Scientific Computing, Computer Arithmetic, and Validated Numerics), Duisburg, Germany, September 26-29, 2006.
  22. Tóth B., F. Plastria, B. Pelegrín, and J. Fernández. Sensitivity analysis of the optimal solutions to Huff-type competitive location and design problems, EURO Winter Institute 2007, Estoril, Portugal, 27th January - 10th February 2007.
  23. G.-Tóth B. and J. Fernández, Solving the (1 - 1)-centroid in the plane, International Workshop on Stochastic and Applied Global Optimization (SAGO 2008), Skukuza, South Africa, July 19-22 2008.
  24. J. Fernádez and G.-Tóth B., Competitive location problems: fixed or variable demand?, XVII meeting of the Euro Working Group on Locational Analysis (EWGLA 17), Elche, Spain, September 17-19, 2008.
  25. M. Bischoff, S. García, G.-Tóth B., and L. Vanhaverbeke. Table Placement at the EWI Dinner, XVII meeting of the Euro Working Group on Locational Analysis (EWGLA 17), Elche, Spain, September 17-19, 2008.
  26. G.-Tóth B., J. Fernández and L.G. Casado, Comparison of pruning tests for interval B&B global optimization methods, 13th GAMM - IMACS International Symposium on Scientific Computing, Computer Arithmetic, and. Validated Numerics (SCAN 2008), El Paso, Texas, USA, 29th September - 3rd October, 2008.
  27. J. Fernández and B. G.-Tóth, Obtaining the complete efficient set of nonlinear biobjective problems via interval branch-and-bound methods: a feasible strategy?, XXXI Congreso Nacional de Estadística e Investigación Operativa, Murcia, Spain, 10-13 February, 2009.
  28. B. G.-Tóth and J. Fernández, A reliable method for obtaining the complete weakly efficient set of nonlinear biobjective optimisation problems, European Conference on Operational Research EURO XXIII, Bonn, Germany, 5-8 July 2009.
  29. J. Fernández and B. G.-Tóth, Interval analysis applied to multiobjective optimization problems: obtaining the complete weakly efficient set, VIII Brazilian Workshop on Continuous Optimization, Mambucaba, Brazil, 13-17 July 2009.
  30. J. Fernández, S. Salhi and B. G.-Tóth, Exact branch-and-bound methods and heuristic algorithms for competitive location problems, Research meeting on competitive location problems, Canterbury, England, 24-25 March 2010.
  31. L.G. Casado, E.M.T. Hendrix, B. G.-Tóth, and I. García, On regular simplex subdivision in Branch-and-Bound algorithms for blending problems, Toulouse Global Optimization Workshop (TOGO10), pp. 31-35, Toulouse, France, 31st of August - 3rd of September, 2010.
Abstracts and other scientific publications (national):
  1. Tóth, Boglárka and Vinkó, Tamás. Characterization of hardness of problems in evolutionary optimization with stochastic modells. In Hungarian. Dissertation, Scientific Conference of Students, Szeged, April 20, 2000. (1st prize).
  2. Vinkó, Tamás and Tóth, Boglárka. Studies of efficient global optimization methods. In Hungarian. Dissertation, Scientific Conference of Students, Szeged, April 20, 2000. (2nd prize).
  3. Tóth, Boglárka and Vinkó, Tamás. Characterization of hardness of problems in evolutionary optimization with stochastic modells. In Hungarian. Dissertation, XXVth National Scientific Conference of Students ( XXV. OTDK), Eger, April 16-19, 2001. (1st prize).
  4. Vinkó T. and Tóth B. Studies of efficient global optimization methods. In Hungarian. Dissertation, XXVth National Scientific Conference of Students ( XXV. OTDK), Eger, April 16-19, 2001. (Hungarian Operations Research Society prize)
  5. Tóth, Boglárka. Empirical investigation of the convergence speed of inclusion functions. XXVth Hungarian Operational Research Conference (XXV. MOK) Debrecen, October 17-20, 2001.
  6. Balogh J., Rapcsák T., Csendes T. and Tóth B.Global optimization on Stiefel manifolds,XXVth Hungarian Operational Research Conference (XXV. MOK) Debrecen, October 17-20, 2001.
  7. J. Fernández, B. Pelegrín, Tóth B. and F. Plastria. Localización competitiva en el plano con decisiones en diseño, IV Seminario Español de Localización, Lorca, Spain, November 26-29 2003.
  8. Balogh J. and Tóth B. Global opimization on Stiefel manifolds – some particular problems and test example, XXVIth Hungarian Operational Research Conference (XXVI. MOK), Gyõr, Hungary, May 26-28, 2004.


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