Diskrete Mathematik, Optimierung und Operations Research

  1. Universität
  2. Fakultäten
  3. Mathematisch-Naturwissenschaftlich-Technische Fakultät
  4. Institut für Mathematik
  5. Lehrstühle
  6. Diskrete Mathematik, Optimierung und Operations Research
  7. Team
  8. Dür Mirjam, Prof. Dr.
  9. Talks

Talks (Prof. Dür)

Conference talks

  1. 27.06.2024:   EUROPT 2024: Copositive and semi-infinite optimization. Lund, Sweden
  2. 03.07.2024: 33rd European Conference on Operational Research: Relaxations for the elementary shortest path problem. Copenhagen, Denmark
  3. 31.07-01.08. 2023: Summer Workshop for PhD candidates and Post-Docs of OeGOR, the Austrian Society of Operations Research. Krems, Austria
  4. 20.06.2022: ILAS 2022: Factorization of Completely Positive Matrices. Galway, Ireland
  5. 26.05.2022: Plenary Speaker,  VOCAL 2022: Recent developments in conic optimization. Budapest, Hungary
  6. 03.09.2021: EURO Plenary Speaker, Operations Research 2021: Conic Optimization: An Application-Oriented Survey. Bern, Switzerland (online).
  7. 23.06.2021: Invited Speaker, 8th European Congress of Mathematics: Tackling discrete optimization problems by continuous methods. Portoroz, Slovenia (online). Youtube video available here.
  8. Cancelled: Plenary Speaker, Optimization 2020, Aveiro, Portugal
  9. Postponed: Talk at ILAS 2020 (The 23rd Meeting of the International Linear Algebra Society), Galway, Ireland.
  10. Cancelled: Keynote Seaker, Edinburgh Workshop on Optimization and Operational Research, Edinburg, UK.
  11. 12.09.2019: Invited Speaker, MAT TRIAD 2019 International Conference on Matrix Analysis and its Applications: Copositive optimization and completely positive matrix factorization, Liblice, Czech Republic.
  12. 19.03.2019: Invited Speaker, Workshop Women in Optimization - WiO 2019: Gedanken zu meinem Karriereweg und meinem Forschungsgebiet. Bonn, Germany.
  13. 20.12.2018: Invited Speaker, Optimization, Game Theory, and Data Analysis Workshop: Copositive optimization and completely positive matrix factorization. Vienna, Austria.
  14. 26.07.2018: Invited Speaker, XII Brazilian Workshop on Continuous Optimization: Conic optimization approaches to combinatorial problems. Foz do Iguaçu, Brazil.
  15. 05.07.2018: ISMP2018: A robust approach to stratified sampling allocation problems. Bordeaux, France.
  16. 07.09.2017: OR2017: A factorization method for completely positive matrices based on alternating projections. Berlin, Germany.
  17. 24.05.2017: SIAM Conference on Optimization 2017: A Factorization Method for Completely Positive Matrices. Vancouver, Canada.
  18. 08.09.2016: 5th IMA Conference on Numerical Linear Algebra and Optimization: A factorization method for completely positive matrices. Birmingham, UK.
  19. 08.08.2016: Semiplenary Talk, ICCOPT2016: Copositive optimization. Tokyo, Japan.
  20. 04.05.2016: ICBO16: Genericity and stability results in linear conic programming. Dresden, Germany.
  21. 21.10.2015 Invited Talk, Workshop for Mixed-integer Nonlinear Optimization: A factorization heuristic for completely positive matrices. Oberwolfach Mathematical Institute, Germany.
  22. 03.09.2015: OR2015: Solution methods for black-box optimization problems. Vienna, Austria.
  23. 22.07.2015: Plenary Talk, MOPTA2015: Copositive programming: a framework for quadratic and combinatorial optimization. Lehigh University in Bethlehem, PA, USA.
  24. 16.07.2015: ISMP2015: Genericity and Stability in Linear Conic Programming. Pittsburgh, USA.
  25. 15.12.2014: VOCAL 2014: Infinite dimensional copositive optimization. Veszprem, Hungary.
  26. 20.05.2014: SIAM Conference on Optimization 2014: Cutting planes for completely positive conic problems. San Diego, USA.
  27. 05.09.2013: OR 2013: Cutting planes for completely positive conic problems. Rotterdam, The Netherlands.             
  28. 28.06.2013: EUROPT 2013: A copositive formulation for the stability number of infinite graphs. Florence, Italy.
  29. 15.11.2012: Invited Talk, 2012 Haifa Matrix Theory Conference: The use of copositive and completely positive matrices in optimization. Haifa, Israel.
  30. 05.09.2012: OR 2012: Infinite dimensional semidefinite programming. Hannover, Germany.
  31. 20.08.2012: ISMP 2012: Remarks on copositive plus matrices and the copositive plus completion problem. Berlin, Germany.
  32. 11.01.2012: Invited Talk, LAWOC 2012: A copositive formulation for the stability number of infinite graphs. Valparaiso, Chile.
  33. 17.06.2011: Invited Talk, SIGOPT 2011: Recent Developments in Copositive Programming. PfalzAkademie Lambrecht, Germany.
  34. 18.05.2011: SIAM Conference on Optimization: Complexity Issues in Copositive Optimization. Darmstadt, Germany.
  35. 13.07.2010: EURO XXIV: A d.c.-approach to copositivity. Lisbon, Portugal.
  36. 10.07.2010: Invited Plenary Talk, 8th EUROPT Workshop "Advances in Continuous Optimization": Optimally Fitting Hyperplanes to Data. Aveiro, Portugal.
  37. 15.06.2010: Invited Talk, HPOPT 2010: Recent Progress in Copositive Programming. Tilburg University, The Netherlands.
  38. 27.05.2010: Invited Talk, DIAMANT Symposium: Copositive Programming. Nunspeet, The Netherlands.
  39. 05.01.2010: Invited Talk, Workshop "Convex Analysis, Optimization and Applications", held on the occasion of the 65th birthday of Claude Lemaréchal: Solving quadratic problems by copositive optimization. Les Houches, France.
  40. 15.09.2009: Invited Plenary Talk, 14th Belgian-French-German Conference on Optimization: Copositive Programming. Leuven, Belgium.
  41. 28.08.2009: International Symposium on Mathematical Programming 2009: The Difference Between 5 x 5 Doubly Nonnegative and Completely Positive Matrices. Chicago, USA.
  42. 04.07.2009: EUROPT Workshop on Continuous Optimization 2009: The Difference Between 5 x 5 Doubly Nonnegative and Completely Positive Matrices. Remagen, Germany.
  43. 03.09.2008: Operations Research 2008: Packing Solar Cells on a Roof. Augsburg, Germany.
  44. 23.05.2008: Invited Plenary Talk, EURO MiniConference on Optimization: Discrete Nonlinear Optimization in a Conic Programming Framework. Neringa, Lithuania.
  45. 13.05.2008:SIAM Conference on Optimization: An Adaptive Algorithm for Copositive Programs. Boston, USA.
  46. 18.02.2008: SIGOPT 2008: Optimization over Convex Cones: Beyond Semidefinite Programming. PfalzAkademie Lambrecht, Germany.
  47. 18.09.2007: 13th Czech-French-German Conference on Optimization Neutral Data Fitting. Heidelberg, Germany.
  48. 06.09.2007: Operations Research 2007: Neutral Data Fitting. Saarbrücken, Germany.
  49. 11.07.2007: EURO XXII (22nd European Conference on Operational Research): Relaxations and Dual Bounds for Quadratic Problems. Prague, Czech Republic.
  50. 06.07.2007: Joint EUROPT-OMS Meeting: Linear Approximations of Copositive Programs. Prague,Czech Republic.
  51. 13.12.2006: Veszprem Optimization Conference: Advanced Algorithms (VOCAL): Towards Solving Copositive Programs. Veszprem, Hungary.
  52. 16.11.2006: BIRS Optimization and Engineering Applications Workshop: Solving Copositive Programs through Linear Approximations. Banff International Research Station for Mathematical Innovation and Discovery, Canada.
  53. 07.09.2006: Operations Research 2006: Linear Approximations of Copositive Programs. Karlsruhe, Germany.
  54. 05.07.2006: EURO XXI (21st European Conference on Operational Research): An Algorithm for Multiple Neutral Data Fitting. Reykjavik, Iceland.
  55. 16.12.2005: International Workshop on Discrete-Continuous Optimization and Optimal Control: Branch-and-Bound Approaches to Mixed Integer Nonlinear Programming. Darmstadt, Germany.
  56. 18.09.2005: International Workshop on Global Optimization: Multiple Neutral Data Fitting. Almeria, Spain.
  57. 08.11.2004: Workshop on Integer Programming and Continuous Optimization: Probabilistic Subproblem Selection in Branch-and-Bound Algorithms. TU Chemnitz, Germany.
  58. 05.07.2004: EURO XX (20th European Conference on Operational Research): A Stochastic Approach to Fractional Programming. Rhodos, Greece.
  59. 03.07.2004: Workshop on Challenges of Continuous Optimization in Theory and Applications: Duality in Optimization: From Convex to Nonconvex Problems. Rhodos, Greece.
  60. 26.09.2003: Joint Meeting of the Austrian Mathematical Society (ÖMG) with SIMAI and UMI: A Stochastic Algorithm for Global Optimization. Bolzano, Italy.
  61. 19.08.2003: ISMP 2003: Solving Fractional Programs with Stochastic Algorithms. Copenhagen, Denmark.
  62. 07.07.20 03: EURO/INFORMS Joint International Meeting 2003: Probabilistic Subset Selection in Branch-and-Bound Algorithms. Istanbul, Turkey.
  63. 04.06.2003: CORS/SCRO 2003 (45th Annual Conference of the Canadian Operational Research Society): Solving Fractional Programs with Stochastic Algorithms. Vancouver, Canada.
  64. 10.05.2003: West Coast Optimization Meeting: Probabilistic Subset Selection in Branch-and-Bound Algorithms. University of Washington, Seattle, USA.
  65. 09.09.2002: French-German-Polish Conference on Optimization: Probabilistic Subset Selection in Branch-and-Bound Algorithms. TU Cottbus, Germany.
  66. 04.09.2002: International Conference on Operations Research 2002: Nonconvex Duality: Theory and Applications. Universität Klagenfurt, Austria.
  67. 05.07.2001: Optimization and Industry Conference: On Copositive Programming and Standard Quadratic Optimization Problems. Central Queensland University, Australia.
  68. 07.08.2000: ISMP 2000: Dual Bounding Procedures Lead to Convergent Branch-and-Bound Algorithms. Georgia Institute of Technology, Atlanta, USA.
  69. 05.05.2000: Workshop "Complex Behavior in Economics": Maximizing a Sum of Fractions. CEFI, Université de la Mediterranée, Aix-en-Provence.
  70. 30.09.1999: International Workshop on Global Optimization - GO.99: Dual Bounding Procedures in Branch-and-Bound Algorithms. Università di Firenze.
  71. 07.09.1999: Jahrestagung der Deutschen Mathematikervereinigung: Branch-and-Bound Verfahren mit dualen Schranken: Theorie und Anwendung auf ein Quotientenproblem. Johannes Gutenberg-Universität Mainz.
  72. 16.12.1998: International Conference on Nonlinear Programming and Variational Inequalities: Local and Global Optimality Conditions for Minimizing Differences of Functions. City University of Hong Kong, China.
  73. 07.09.1998: 9th Belgian-French-German Conference on Optimization: Local and Global Optimality Conditions for Minimizing Differences of Functions. FUNDP Namur, Belgium.
  74. 26.08.1997: ISMP 1997: On Global Optimization of Sums of Ratios and the Corresponding Multiple-Objective Decision Problem. EPFL Lausanne, Switzerland.
  75. 03.04.1997: ADiMMO-Workshop: Lagrange-Dualität und Partitionsmethoden in der nichtkonvexen globalen Optimierung. FU Berlin.

Other talks

  1. 15.10.2021: Copositive optimization and completely positive matrix factorization. Research Seminar, LAAS-CNRS, Toulouse, France

  2. 28.06.2021: Conic optimization. Part I: SOCPs and SDPs, Conic Duality Theory, and Solution Methods; Part II: Copositive Optimization. MINOA Doctoral School, Heidelberg (online).

  3. 18.05.2021: Factorization of Completely Positive Matrices. Oberseminar "Numerical Optimization", Universität Konstanz (online).
  4. 29.03.2021: Optimierung über konvexen Matrixkegeln. Universität Passau (online).
  5. 10.12.2020: On convex matrix cones and their use in mathematical optimization. TU Wien (online).
  6. 20.01.2020: On convex matrix cones and their use in mathematical optimization. Universität Innsbruck.
  7. 07.01.2020: Copositive optimization and completely positive matrix factorization, University of Ljubljana, Slovenia.
  8. 21.11.2019: Copositive optimization and completely positive matrix factorization, Budapest University of Technology and Economics, Hungary
  9. 19.09.2019: A factorization method for completely positive matrices. Operations Research Seminar, University of Tilburg, The Netherlands
  10. 13.06.2017: On copositive programming, quadratic optimization and combinatorics of infinite graphs. Mathematisches Kolloquium, University of Wuppertal
  11. 08.01.2017: Zur Lösung von quadratischen und kombinatorischen Problemen mittels copositiver Optimierung. University of Augsburg
  12. 13.12.2016: Copositive programming: a framework for quadratic and combinatorial optimization, Magdeburg Lectures on Optimization and Control.
  13. 02.06.2016: Conic Optimization: Theory, Algorithms, and Applications in Economics and Business. Wirtschaftsuniversität Wien, Austria
  14. 31.05.2016: Copositive programming: a framework for quadratic and combinatorial optimization. Goethe-University Frankfurt.
  15. 26.11.2015: Lösen quadratischer Probleme mittels semidefiniter und copositiver Optimierung. Mathematisches Kolloquium, TU Ilmenau.
  16. 24.11.2015: Solving quadratic problems via semidefinite and copositive optimization.  Kolloquium Numerische und Angewandte Mathematik, University of Göttingen.
  17. 26.03.2015: Copositive Optimization. Budapest University of Technology and Economics, Hungary.
  18. 02.02.2015: Vom Nutzen konvexer Kegel in der mathematischen Optimierung. University of Paderborn, Germany.
  19. 11.02.2013: Copositive Optimierung. Humboldt Universität Berlin.
  20. 08.10.2012: Copositive optimization, the copositive cone, and its relation with Parrilo's approximations. Optimization and Applications Seminar, ETH Zürich.
  21. 04.05.2012: Copositive Programming. Laboratoire de Recherche en Informatique, Université de Paris Sud, France.
  22. 11.04.2011: Recent developments in copositive programming. University of Vienna, Austria.
  23. 14.10.2010: On the cones of completely positive and doubly nonnegative matrices and their use in optimization. University of Ljubljana, Slovenia.
  24. 16.06.2010: Copositive Optimierung. University of Trier, Germany.
  25. 19.03.2010: The Difference Between 5 x 5 Doubly Nonnegative and Completely Positive Matrices. DIAMANT Intercity seminar on number theory, University of Groningen.
  26. 27.01.2010: Vom Nutzen konvexer Kegel in der mathematischen Optimierung. Mathematisches Kolloquium, Universität Oldenburg, Germany.
  27. 18.01.2010: Lösen quadratischer und binärer Probleme mittels copositiver Optimierung. University of Göttingen, Germany.
  28. 15.12.2009: The Difference Between 5 x 5 Doubly Nonnegative and Completely Positive Matrices. Université Paul Sabatier, Toulouse, France.
  29. 26.11.2009: Lösen quadratischer und binärer Probleme mittels copositiver Optimierung. University of Ulm, Germany.
  30. 04.11.2009: On the cones of completely positive and doubly nonnegative matrices and their use in optimization. EIDMA Seminar, TU Eindhoven.
  31. 29.09.2009: Optimization over matrix cones, and how this helps to solve nonconvex optimization problems. University of Groningen.
  32. 23.06.2009: A Linear Approximation Approach for Copositive Programming. Université Paul Sabatier, Toulouse, France.
  33. 19.05.2009: Conic Optimization beyond Semidefinite Programming. Universiteit Twente.
  34. 13.11.2008: Conic Optimization beyond Semidefinite Programming. Universität Karlsruhe.
  35. 21.04.2008: Vom Nutzen konvexer Kegel in der diskreten Optimierung. TU Dortmund.
  36. 18.04.2008: Über diskrete und kontinuierliche Optimierung, und warum Kegeloptimierung dabei hilft. Universität St. Gallen, Switzerland.
  37. 01.04.2008: On Discrete and Continuous Optimization, and Why Conic Programming Is Helpful. Rijksuniversiteit Groningen, The Netherlands.
  38. 11.10.2007: Optimization over Convex Cones: Semidefinite Programming and Beyond. Operations Research Seminar, Universiteit van Tilburg, The Netherlands.
  39. 18.07.2007: Copositive Programming. Optimization and Applications Seminar, ETH Zürich, Switzerland.
  40. 04.05.2007: Neue Ansätze in der Kegeloptimierung. TU Kaiserslautern, Germany.
  41. 15.01.2007: Optimierung über konvexen Kegeln: Theorie und Anwendungen. Kolloquium des Fachbereichs Mathematik der RWTH Aachen, Germany.
  42. 18.12.2006: Continuous Approaches to Discrete Problems by means of Optimization over Convex Cones. Seminar für Optimierung, Universität Erlangen, Germany.
  43. 11.12.2006: Towards solving Copositive Programs. Vienna Continuous Optimization Colloquium 06, Austria.
  44. 30.11.2006: Continuous Approaches to Discrete Problems by means of Optimization over Convex Cones. Departement de Mathematiques, FUNDP Namur, Belgium.
  45. 29.11.2006: Kontinuierliche Ansätze zur diskreten Optimierung mittels konvexer Kegel. Optimierungskolloquium des Fachbereichs Mathematik der Universität Dortmund, Germany.
  46. 21.06.2006: Optimierung über konvexen Kegeln: Kontinuierliche Reformulierungen und Relaxierungen für diskrete Probleme. Kolloquium des Fachbereichs Mathematik und Naturwissenschaften der Bergischen Universität Wuppertal
  47. 15.12.2005: Kontinuierliche Lösungsstrategien für diskrete Probleme am Beispiel des Maximum Clique Problems. Kolloquium des Fachbereichs Mathematik und Informatik der Philipps-Universität Marburg, Germany.
  48. 15.11.2005: Studieren geht über Probieren: Graphen, Bäume und das Problem des Handlungsreisenden. Schnuppertag für Schülerinnen, Darmstadt University of Technology, Germany.
  49. 04.07.2005: Das Maximum-Clique Problem an der Schnittstelle zwischen diskreter und kontinuierlicher Optimierung. Seminar, Darmstadt University of Technology, Germany.
  50. 21.06.2004: Deterministische und stochastische Ansätze zur nichtlinearen Optimierung. Seminar, Fachhochschule Dornbirn, Austria.
  51. 03.05.2004: Dualität in der Optimierung: Vom konvexen zum nichtkonvexen Problem. Seminar, Universität Erlangen, Germany.
  52. 10.11.2003: Globale Optimierung: Deterministische und stochastische Ansätze. Seminar, Darmstadt University of Technology, Germany.
  53. 07.11.2003: A Stochastic Algorithm for Global Optimization. Seminar, Wirtschaftsuniversität Wien, Austria.
  54. 30.05.2003: Solving Fractional Programs with Stochastic Algorithms. Anderson Graduate School of Management, University of California at Riverside, USA.
  55. 15.04.2003: Using Nonconvex Duality for Global Optimization. Optimization Seminar, Department of Mathematics, University of Washington, Seattle, USA.
  56. 08.04.2003: The Branch-and-Bound Method for Global Optimization. Industrial Engineering Seminar, University of Washington, Seattle, USA.
  57. 04.04.2003: Nonconvex Duality: Theory and Applications. Management Sciences Seminar, Henry B. Tippie College of Business, University of Iowa, Iowa City, USA.
  58. 27.06.2002: Nichtkonvexe Dualität in Theorie und Praxis. TU Clausthal, Deutschland.
  59. 28.05.2002: Nichtkonvexe Dualität in Theorie und Praxis. TU Darmstadt, Deutschland.
  60. 22.04.2002: ISDS-Kolloquium: Nonconvex Duality: Theory and Applications. Universität Wien.
  61. 22.08.2000: MINERVA Optimization Center Summer School "Modern Optimization and its Applications in Engeneering": On Copositive Programming and Standard Quadratic Optimization Problems. Technion - Israel Institute of Technology, Haifa, Israel.
  62. 12.04.1999: Disputationsvortrag zur mündlichen Doktorprüfung: Duality in Global Optimization: Optimality Conditions and Algorithmical Aspects. Universität Trier.
  63. 28.04.1998: Seminar des Graduiertenkollegs "Mathematische Optimierung": Das Branch-and-Bound Verfahren in der globalen Optimierung: Theorie und Anwendung auf ein Quotientenproblem. Universtiät Trier, Deutschland.
  64. 31.03.1998: Ein Branch-and-Bound Verfahren zur Lösung des Summe-von-Quotienten Problems. Seminar der Abteilung Mathematische Methoden in der Statistik, WU Wien.
  65. 07.02.1998: Was ist Mathematische Optimierung? Tag der offenen Tür der Abteilungen Mathematik und Informatik, Universität Trier.
  66. 02.12.1997: Arbeitskreis "Optimierung" der österreichischen Gesellschaft für Operations Research: Lagrange-Duality and Partitioning Techniques in Nonconvex Global Optimization. TU Wien.
  67. 19.11.1997: Forschungsseminar des Graduiertenkollegs "Automatisierung des Entwurfs analoger und gemischt analog-digitaler Strukturen": Lagrange-Dualität und Partitionsmethoden in der nichtkonvexen globalen Optimierung. TU Ilmenau, Deutschland.
  68. 27.06.1997: Lagrange-Dualität und Partitionsmethoden in der nichtkonvexen globalen Optimierung. Vortrag anläßlich der Evaluierung des Graduiertenkollegs "Mathematische Optimierung" durch Gutachter der Deutschen Forschungsgemeinschaft, Universität Trier.
  69. 23.10.1996: Seminar des Graduiertenkollegs "Mathematische Optimierung": Notwendige und hinreichende Bedingungen für globale Optimalität. Universität Trier.
  70. 08.07.1996: Seminar des Graduiertenkollegs "Mathematische Optimierung": Nichtparametrische Regression. Universität Trier.
  71. 10.06.1996: ISOC-Kolloquium: Nichtparametrische Regression. Universität Wien.

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