Univ. Prof. Dr. rer. nat. habil. Gabriele Eichfelder
Head of the Group for Mathematical Methods in Operations Research
+49 3677 69-3628
gabriele.eichfelder@tu-ilmenau.de
Mailing address: TU Ilmenau, Fakultät MN, P.O. Box 10 05 65, 98684 Ilmenau, Germany
Address for visitors: Weimarer Str. 25, 98693 Ilmenau, Room C 237
You will find a list of all current publications here (Status:24.02.2023).
If you are interested in one of the works, I look forward to hearing from youemail.
Marianna De Santis, Gabriele Eichfelder, Daniele Patria, Leo Warnow, Using Dual Relaxations in Multiobjective Mixed-Integer Quadratic Programming, OptimizationOnline, 2023.
Gabriele Eichfelder, Tobias Gerlach, Leo Warnow, Test Instances for Multiobjective Mixed-Integerm Nonlinear Optimization, OptimizationOnline, 2023.
Gabriele Eichfelder and Leo Warnow, On implementation details and numerical experiments for the HyPaD algorithm to solve multi-objective mixed-integer convex optimization problems, OptimizationOnline, 2021.
Gabriele Eichfelder, Variable Ordering Structures in Vector Optimization. Springer, 2014, 190 p., ISBN: 978-3-642-54283-1, in the series Vector Optimization.
Gabriele Eichfelder, Adaptive Scalarization Methods in Multiobjective Optimization. Springer, 2008, 242 p., ISBN: 978-3-540-79157-7, in the series Vector Optimization. The book is an example for highly cited Operations Research Springer books see minute 6:40 in in the Springer Webinar.
Gabriele Eichfelder, Oliver Stein, Leo Warnow, A solver for multiobjective mixed-integer convex and nonconvex optimization, DOI 10.1007/s10957-023-02285-2, Journal of Optimization Theory and Application, 2023.
Gabriele Eichfelder, Tobias Gerlach, Leo Warnow, A Test Instance Generator for Multiobjective Mixed-integer Optimization, Mathematical Methods of Operations Research, DOI 10.1007/s00186-023-00826-z, 2023.
Gabriele Eichfelder and Leo Warnow, A hybrid patch decomposition approach to compute an enclosure for multi-objective mixed-integer convex optimization problems, Mathematical Methods of Operations Research, DOI 10.1007/s00186-023-00828-x, 2023.
Gabriele Eichfelder, Leo Warnow, Advancements in the computation of enclosures for multi-objective optimization problems, European Journal of OperationalResearch, 310(1), 315-327, see also OptimizationOnline, 2023.
Gabriele Eichfelder, Lars Grüne, Lisa Krügel, Jonas Schießl, Relaxed assumptions and a simplified algorithm for multiobjective MPC, Computational Optimization and Applications, DOI 10.1007/s10589-022-00398-4, 2022. pdf
Gabriele Eichfelder and Oliver Stein, Limit sets in continuous global multiobjective optimization, https://doi.org/10.1080/02331934.2022.2092479,Optimization, 2022. Preprint Get one of 50 free Downloads using this link.
Gabriele Eichfelder and Leo Warnow, An approximation algorithm for multi-objective optimization problems using a box-coverage, Journal of Global Optimization, 83, 329–357, 2022.
Marianna De Santis, Gabriele Eichfelder, Daniele Patria, On the exactness of the eps-constraint method for biobjective nonlinear integer programming, Operations Research Letters, 50(3), 356-361, see also OptimizationOnline, 2022.
Gabriele Eichfelder, Twenty Years of Continuous Multiobjective Optimization in the twenty-first century,
EURO J. on Computational Optimization, 100014, Volume 9, 2021.Marianna De Santis and Gabriele Eichfelder, A Decision Space Algorithm for Multiobjective Convex Quadratic Integer Optimization, Computers and Operations Research, 134, 2021. See also OptimizationOnline.
Gabriele Eichfelder, Peter Kirst, Laura Meng and Oliver Stein, A general branch-and-bound framework for continuous global multiobjective optimization, Journal of Global Optimization, 80, 195–227 2021. Received the Best paper award 2022 of the Journal of Global Optimization (honorable mentioning).
Gabriele Eichfelder and Leo Warnow, Proximity measures based on KKT points for constrained multi-objective optimization problems, Journal of Global Optimization, 80,63–86 2021.
Marianna De Santis, Gabriele Eichfelder, Julia Niebling and Stefan Rocktäschel, Solving Multiobjective Mixed Integer Convex Optimization Problems, SIAM Journal on Optimization, 30(4), 3122-3145, 2020. pdf. Talk on the topic can be found on Youtube. Received the publication award for the best publication in Mathematics and natural science in 2022 of the TU Ilmenau.
Gabriele Eichfelder, Methods for multiobjective bilevel optimization, Chapter 15 in "Bilevel optimization: advances and next challenges", S. Dempe and A. Zemkoho (Eds.), p. 423-449, Springer, 2020. See also OptimizationOnline.
Gabriele Eichfelder, Julia Niebling and Stefan Rocktäschel, An algorithmic approach to multiobjective optimization with decision uncertainty, Journal of Global Optimization, 77, 3-25, 2020. Read online. See also OptimizationOnline. Received the Best paper award 2021 of the Journal of Global Optimization (honorable mentioning).
Jana Thomann and Gabriele Eichfelder, Representation of the Pareto front for heterogeneous multi-objective optimization, Journal of Applied and Numerical Optimization, 1(3), 293-323, 2019.
Jana Thomann and Gabriele Eichfelder, Numerical Results for the Multi-Objective Trust Region Algorithm MHT, Data in Brief, 25, 18 pages, 2019.
Jana Thomann and Gabriele Eichfelder, A Trust-Region Algorithm for Heterogeneous Multiobjective Optimization, SIAM Journal on Optimization, 29(2), 1017-1047, 2019.
Julia Niebling and Gabriele Eichfelder, A Branch-and-Bound based Algorithm for Nonconvex Multiobjective Optimization, SIAM Journal on Optimization, 29(1), 794-821, 2019.
Gabriele Eichfelder, Kathrin Klamroth and Julia Niebling, Using a B&B algorithm from multiobjective optimization to solve constrained optimization problems, AIP Conference Proceedings 2070, 020028, 2019.
Julia Niebling and Gabriele Eichfelder, A Branch-and-Bound Algorithm for Biobjective Problems, Proceedings of the XIII Global Optimization Workshop GOW'16, 57-60, 2016.
Gabriele Eichfelder, Numerical procedures in multiobjective optimization with variable ordering structures, Journal of Optimization Theory and Applications, 162(2), 489-514, 2014.
Gabriele Eichfelder, Multiobjective bilevel optimization, Mathematical Programming Ser. A, 123(2), 419-449, 2010.
Gabriele Eichfelder, An Adaptive Scalarization Method in Multi-Objective Optimization, SIAM Journal on Optimization, 19(4), 1694-1718, 2009. pdf
Gabriele Eichfelder, Scalarizations For Adaptively Solving Multi-Objective Optimization Problems, Computational Optimization and Applications, 44(2), 249-273, 2009.
Gabriele Eichfelder, A Constraint Method in Nonlinear Multi-Objective Optimization, in: "Multiobjective Programming and Goal Programming, Theoretical Results and Practical Applications",Lecture Notes in Economics and Mathematical Systems Vol. 618, V. Barichard, X. Gandibleux and V. T'Kindt (Eds.), 3-12, Springer, Heidelberg, 2009.
Gabriele Eichfelder, ε-Constraint Method with Adaptive Parameter Control and an Application to Intensity-Modulated Radiotherapy, in: "Multicriteria Decision Making and Fuzzy Systems - Theory, Methods and Applications", K.-H. Küfer, H. Rommelfanger, C. Tammer and K. Winkler (Eds.), 25-42, Shaker, Aachen, 2006.
Gabriele Eichfelder, Ernest Quintana, Set-based Robust Optimization of Uncertain Multiobjective Problems via Epigraphical Reformulations, OptimizationOnline, accepted for publication in EJOR, 2023.
Gabriele Eichfelder and Patrick Groetzner, A note on completely positive relaxations of quadratic problems in a multiobjective framework, Journal of Global Optimization, 82, 615–626, 2022. Talk on the topic can be found on Youtube.
Dimo Brockhoff, Gabriele Eichfelder, Carlos M. Fonseca, Susan R. Hunter, Enrico Rigoni and Michael Stiglmayr, Computationally Expensive Functions and Large Scale Test Instances, Seminarbericht in: "Scalability in Multiobjective Optimization", Dagstuhl Seminar, 20031, 79-88, 2020.
Matthias Ehrgott, Gabriele Eichfelder, Karl-Heinz Küfer, Christoph Lofi, Kaisa Miettinen, Luís Paquete, Stefan Ruzika, Serpil Sayın, Ralph E. Steuer, Theodor J. Stewart, Michael Stiglmayr and Daniel Vanderpooten, Personalization of multicriteria decision support systems, Seminarbericht in: "Personalized Multiobjective Optimization: An Analytics Perspect", Dagstuhl Seminar, 18031, 55-70, 2018.
Gabriele Eichfelder and Maria Pilecka, Ordering Structures and Their Applications, in: "Applications of Nonlinear Analysis", T. M. Rassias (Edt.), 256-304, Springer, 2018.
Gabriele Eichfelder, Corinna Krüger and Anita Schöbel, Decision uncertainty in multiobjective optimization, Journal of Global Optimization, 69(2), 485-510, 2017. Read online.
Truong Q. Bao, Gabriele Eichfelder, Beham Soleimani and ChristianeTammer, Ekeland's variational principle for vector optimization with variable ordering structure, Journal of Convex Analysis, 24(2), 393-415, 2017.
Gabriele Eichfelder and Tobias Gerlach, Characterization of properly optimal elements with variable ordering structures, Optimization, 65(3), 571-588, 2016.
Stephan Dempe, Gabriele Eichfelder and Jörg Fliege, On the effects of combining objectives in multi-objective optimization, Mathematical Methods of Operations Research, 82(1), 1-18, 2015.
Gabriele Eichfelder, Xavier Gandibleux, Martin Josef Geiger, Johannes Jahn, Andrzej Jaszkiewicz, Joshua D. Knowles, Pradyumn Kumar Shukla, Heike Trautmann and Simon Wessing, Heterogeneous Functions, Seminarbericht in: "Understanding Complexity in Multiobjective Optimization", Dagstuhl Seminar, 15031, 121-129, 2015.
Gabriele Eichfelder and Refail Kasimbeyli, Properly optimal elements in vector optimization with variable ordering structures, Journal of Global Optimization, 60(4), 689-712, 2014.
Gabriele Eichfelder and Truong Xuan Duc Ha, Optimality conditions for vector optimization problems with variable ordering structures, Optimization, 62(5), 597-627, 2013.
Gabriele Eichfelder, Variable ordering structures in vector optimization, Chapter 4 in: "Recent Developments in Vector Optimization", Q. H. Ansari and J.-C. Yao (Eds.), 95-126, Springer, 2012.
Gabriele Eichfelder and Johannes Jahn, Vector optimization problems and their solution concepts, Chapter 1 in: "Recent Developments in Vector Optimization", Q. H. Ansari and J.-C. Yao (Eds.), 1-27, Springer, 2012.
Gabriele Eichfelder, Cone-valued maps in optimization, Applicable Analysis, Special Issue on Variational Inequalities, Optimization and Related Topics, 91(10), 1831-1846, 2012.
Gabriele Eichfelder, Optimal elements in vector optimization with a variable ordering structure, Journal of Optimization Theory and Applications, 151(2), 217-240, 2011.
Gabriele Eichfelder and Stefan Rocktäschel, Solving set-valued optimization problems using a multiobjective approach, Optimization, 72(3), 789-820, 2023. See also OptimizationOnline. Get one of 50 free Downloads using this link.
Gabriele Eichfelder, Tobias Gerlach, Stefan Rocktäschel, Convexity and continuity of specific set-valued maps and their extremal value functions, Journal of Applied and Numerical Optimization, 5(1), 71-92, 2023.
Robert Baier, Gabriele Eichfelder and Tobias Gerlach, Optimality conditions for set optimization using a directional derivative based on generalized Steiner sets, Optimization, Vol 71(8), 2273-2314, 2022. Preprint. One of 50 free eprints
Gabriele Eichfelder, Ernest Quintana and Stefan Rocktäschel, A Vectorization Scheme for Nonconvex Set Optimization Problems, SIAM Journal on Optimization, 32(2), 1184-1209, 2022. pdf
Gabriele Eichfelder and Tobias Gerlach, On classes of set optimization problems which are reducible to vector optimization problems and its impact on numerical test instances, Chapter 10 in: "Variational Analysis and Set Optimization", A. Khan, E. Köbis and C. Tammer (Eds.), 265-290, CRC Press (Taylor & Francis Group), 2019. See also OptimizationOnline.
Gabriele Eichfelder and Maria Pilecka, Set Approach for Set Optimization with Variable Ordering Structures Part II: Scalarization Approaches, Journal of Optimization Theory and Applications, 171(3), 947-963, 2016. Read online. Preprint.
Gabriele Eichfelder and Maria Pilecka, Set Approach for Set Optimization with Variable Ordering Structures Part I: Set Relations and Relationship to Vector Approach, Journal of Optimization Theory and Applications, 171(3), 931-946, 2016. Read online. Preprint.
Gabriele Eichfelder and Johannes Jahn, Vector and Set Optimization, in: "Multiple Criteria Decision Analysis - State of the Art Surveys", S. Greco, M. Ehrgott and J. R. Figueira (Eds.), 695-737, Springer, Heidelberg, 2016.
Gabriele Eichfelder and Johannes Jahn, Optimality conditions in discrete-continuous nonlinear optimization, Minimax Theory and its Applications, 6(1), 127-144, 2021. See also OptimizationOnline.
Gabriele Eichfelder, Kathrin Klamroth, Julia Niebling, Nonconvex Constrained Optimization by a Filtering Branch and Bound,
Journal of Global Optimization,80,31–61, 2021.Gabriele Eichfelder, Thomas Hotz and Johannes Wieditz, An algorithm for computing Fréchet means on the sphere, Optimization Letters, 13, 1523-1533, 2019. See also OptimizationOnline.
Immanuel M. Bomze, Carmo Brás, Gabriele Eichfelder and Joaquim Júdice, Global Optimization Techniques for Copositivity Testing (Extended Abstract), in: "Copositivity and Complete Positivity", Mathematisches Forschungsinstitut Oberwolfach, Report No. 52/2017, 3084-3086, 2017.
Gabriele Eichfelder, Tobias Gerlach and Susanne Sumi, A modification of the alphaBB method for box-constrained optimization and an application to inverse kinematics, EURO Journal on Computational Optimization, 4(1), 93-121, 2016. [pdf].
Carmo Brás, Gabriele Eichfelder and Joaquim Júdice, Copositivity tests based on the Linear Complementarity Problem, Computational Optimization and Applications, 62(2), 461-493, 2016. [pdf].
Carmo Brás, Gabriele Eichfelder and Joaquim Júdice, Copositive programming and copositivity tests (Extended Abstract), in: "Mixed-integer Nonlinear Optimization: A Hatchery for Modern Mathematics", Mathematisches Forschungsinstitut Oberwolfach, Report No. 46/2015, 2723-2725, 2015.
Immanuel M. Bomze and Gabriele Eichfelder, Copositivity detection by difference-of-convex decomposition and ω-subdivision, Mathematical Programming Ser. A, 138(1-2), 365-400, 2013. See also OptimiziationOnline. Received the Publication award for the best publication in Mathematics and natural science in 2014 of the TU Ilmenau.
Peter Dickinson, Gabriele Eichfelder and Janez Povh, Erratum to: "On the set-semidefinite representation of nonconvex quadratic programs over arbitrary feasible sets'', Optimization Letters, 7(6), 1387-1397, 2013. See also OptimizationOnline.
Gabriele Eichfelder and Janez Povh, On the set-semidefinite representation of nonconvex quadratic programs over arbitrary feasible sets, Optimization Letters, 7(6), 1373-1386, 2013. [pdf]. Please see erratum above.
Gabriele Eichfelder and Janez Povh, On the set-semidefinite representation of nonconvex quadratic programs with cone constraint, Croatian Operational Research Review, 1, 26-39, 2011.
Gabriele Eichfelder and Johannes Jahn, Foundations of Set-Semidefinite Optimization, Chapter 18 in: "Nonlinear Analysis and Variational Problems", P. Pardalos,T. M. Rassias and A. A. Khan (Eds.), 259-284, Springer, 2009.
Gabriele Eichfelder and Johannes Jahn, Set-Semidefinite Optimization, Journal of Convex Analysis, 15(4), 767-801, 2008.
(further application problems can be found as part of publications that have been published in mathematical journals, see above)
Sebastian Prinz, Jana Thomann, Gabriele Eichfelder, Thomas Boeck and Jörg Schumacher, Expensive multi-objective optimization of electromagnetic mixing in a liquid metal, Optimization and Engineering, , 22(2), 1065-1089, 2021, DOI: 10.1007/s11081-020-09561-4.
Florian Fern, Roland Füßl, Gabriele Eichfelder, Eberhard Manske and Michael Kühnel, Coordinate transformation and its uncertainty under consideration of a non orthogonal coordinate base, Measurement Science and Technology, 2020. [pdf].
Thomas Boeck, Dzulia Terzijska and Gabriele Eichfelder, Maximum electromagnetic drag configurations for a translating conducting cylinder with distant magnetic dipoles, Journal of Engineering Mathematics, 108(1), 123-141, 2018.
Gabriele Eichfelder, Vector Optimization in Medical Engineering, Chapter 7 in: "Mathematics Without Boundaries", P. Pardalos and T. M. Rassias (Eds.), ISBN 978-1-4939-1123-3, 181-215, Springer, 2014.
Dzulia Terzijska, Margherita Porcelli and Gabriele Eichfelder, Multi-objective optimization in the Lorentz force velocimetry framework, in: "Book of Digests & Program / OIPE, International Workshop on Optimization and Inverse Problems in Electromagnetism 13", Delft, 81-82, 2014.
Gabriele Eichfelder and Matthias Gebhardt, Local specific absorption rate control for parallel transmission by virtual observation points, Magnetic Resonance in Medicine, 66(5), 1468-1476, 2011.
Gabriele Eichfelder and Martin Gugat, Optimierung mit mehreren konkurrierenden Zielen, Das Wirtschaftsstudium, 4, 571-578, 2010.
Gabriele Eichfelder, Variable Ordering Structures in Vector Optimization, Habilitationsschrift, Univ. Erlangen-Nürnberg, 2011.
Gabriele Eichfelder, Parametergesteuerte Lösung nichtlinearer multikriterieller Optimierungsprobleme (Parameter Controlled Solving of Nonlinear Multi-Objective Optimization Problems), Dissertation, Univ. Erlangen-Nürnberg, 2006. [pdf].
Gabriele Eichfelder, Tangentielle Epiableitung mengenwertiger Abbildungen (Contingent Epiderivatives of Set Valued Maps), Diplomarbeit, Univ. Erlangen-Nürnberg, 2001.
Method and Device for Determining a Magnetic Resonance System Control Sequence (with Dirk Diehl, Matthias Gebhardt, Jochen Gierling, Johannes Jahn and Dieter Ritter), US Patent US2012286778 (A1), announced March 2012, published Nov. 2012.
Method for Determining Sensitivity Matrices for Hotspots (with Matthias Gebhardt), Chinese Patent Application, CN201110055568.X Filed 8.3.2011, (IPC) G01R 33/561; G01R 33/341; A61B 5/055 and United States Patent Application, US201113045832 20110311, Filed 11.3.2011, published 15.09.2011.
Verfahren und Einrichtung zur Ermittlung einer Magnetresonanzsystem-Ansteuersequenz (with Dirk Diehl, Jochen Gierling, Matthias Gebhardt , Dieter Ritter and Johannes Jahn), Patent Application WO2012119673 and DE102011005174 (A1) in March 2011.
Verfahren zur Bestimmung von Sensitivitätsmatrizen für kritische Hotspots (with Matthias Gebhardt), Deutsches Patent DE 10 2010 011 588.6, priority 12.03.2010, published 15.09.2011, granted 05.04.2012, (IPC) G01R 33/561; G01R 33/36.
t.b.a., Forschungsseminar Algorithmische Optimierung, HU Berlin, 12/2023
Uncertain multi-objective optimization and optimization with many objectives, Keynote speaker, RAMOO Workshop on Recent Advances in Multi-Objective Optimization, Rome, Italy, 09/2023
Dagstuhl Seminar 23361 on Multiobjective Optimization on a Budget, Dagstuhl, Germany, 09/2023.
An epigraphical reformulation for uncertain multiobjective optimization, 20th EUROPT Workshop on Advances in Continuous Optimization, Budapest, Hungary, 08/ 2023.
Robust Optimization of Uncertain Multiobjective Problems by a Set Approach, SIAM Conference on Optimization, Seattle, US, 05/2023
Robust Multiobjective optimization, Mathematisches Kolloquium, Augsburg, Germany, 05/2023
Multiobjective Replacements for Set Optimization and Robust Multiobjective Optimization, Invited Speaker, SIGOPT 2023 International Conference on Optimization 2023, Cottbus, Germany, 03/2023
- Multiobjective Replacements for Set Optimization and Robust Multiobjective Optimization, Research Seminar of the Institute for Statistics and Mathematics, WU Vienna, December 2022.
- Ingredients for algorithms in multiobjective optimization, Karlsruhe Institute of Technology, Institute of Operations Research, as guest of Prof. Dr. Oliver Stein, Karlsruhe, Germany, November 2022.
- Completely positive relaxations for quadratic mixed-binary multiobjective optimization, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, November 2022.
- Algorithmic developments in multiobjective optimization, Semiplenary talk, International Conference on Operations Research OR 2022 in Karlsruhe, Germany, 6.-9. September 2022
- A new approach to solve multi-objective mixed-integer convex optimization problems, International Conference on Optimization and Decision Science ODS 2022, Florence, Italy, 30.8.-2.9.2022
- Conic reformulations for quadratic multiobjective optimization, 19th EUROPT Workshop on Advances in Continuous Optimization, Lisbon, Portugal, 29.-30.07.2022
- Computing an enclosure for multi-objective mixed-integer convex optimization problems, EURO conference, Helsinki, Finland, 3.-6.07.2022.
- Multiobjective Optimization without Scalarization: Heterogeneous Problems with Expensive Functions, Plenary talk, Seventh IMA Conference on Numerical Linear Algebra and Optimization, University of Birmingham, UK., 29.06.-1.07.2022
- Limits of completely positive relaxations for quadratic multiobjective optimization, Set Optimization for Applications SOFA, Fifth International Conference on Set Optimization with Applications to Economics, Finance, Statistics and Game Theory, Ankara, Turkey (Hyprid), 30.05.-03.06.2022.
- Completely positive relaxations for quadratic mixed-binary multiobjective optimization, Optimization and Numerical Analysis Seminar, Birmingham, UK, 29. March 2022. Talk can be found on Youtube.
- Direct Methods for Multiobjective Optimization, Seminar talk, Departamento de Matematica, Universidade Nova de Lisboa, January 2022, Lissabon, Portugal
- Direct Methods for Multiobjective Optimization, Keynote talk, Finnish Mathematical Days in Tampere, Finland (moved to online), 4.-5. January 2022
Computational Methods in Multiobjective Optimization, Lecture Series, Vienna Graduate School on Computational Optimization, (moved to online) Vienna, Austria, 12/2021.
Multiobjective Mixed Integer Convex Optimization, KTH Royal Institute of Technology, December 2021, Stockholm, Sweden 12/2021
Branch-and-Bound for Multiobjective Convex Quadratic Integer Optimization, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 10/2021
A Decision Space Method for Multiobjective Convex Quadratic Integer Optimization, EURO 2021, July 2021, Athens, watch the video here (from time 2:46:15).
A New Directional Derivative for Set Optimization, EUROPT 2021, July 2021, Toulouse.
A Scalarization Free Multiobjective Mixed Integer Convex Optimization Solver, MINLP Workshop 2021, Imperial College London UK, June 28-29, 2021. Talks can be found on Youtube.
Multiobjective Mixed Integer Convex Optimization by a Decision Space Branch-and-Bound, Numerik-Seminar und KWIM Lecture, June 2021, Konstanz, Germany
Multiobjective optimisation without scalarization, Invited speaker of the Australian and New Zealand Industrial and Applied Mathematics Annual Conference – ANZIAM 2021, 31 January – 4 February 2021 at the RACV Cape Shanck Resort, Victoria, Australia.
- A Trust Region Method for Multiobjective Optimization with Expensive and Cheap Functions, Video lab meeting talk, Computational Optimization and Innovation Laboratory (COIN), Michigan State University, USA, August 14th, 2020.
- Multiobjective Optimization without Scalarization: Heterogeneous Problems with Expensive Functions, Plenary talk at the Seventh IMA Conference on Numerical Linear Algebra and Optimization, University of Birmingham, UK, June 24-26, 2020 - postponed to 2022.
- Multiobjective Mixed Integer Convex Optimization by a Decision Space Branch-and-Bound, SIGOPT, Dortmund, 03/2020.
- Multiobjective Trust Region Solver for Expensive Functions, Dagstuhl Seminar 20031 "Scalability in Multiobjective Optimization", Germany, 01/2020
- A Decision Space Method for Mixed-Integer Convex Multiobjective Optimization, in Session Multiobjective Optimization, EUROPT 2019, Glasgow, UK, 06/2019
- Mixed Integer Nonlinear Multiobjective Optimization by Branching in the Pre-Image Space, in Session Mixed Integer Multiobjective Optimization EURO conference, Dublin, Ireland, 06/2019
- A Trust-Region method for multiobjective optimization with heterogeneous functions, Karlsruhe Institute of Technology, Kolloquium Institute of Operations Research, as guest of Prof. Dr. Oliver Stein, Karlsruhe, Germany, 06/2019
- Handling non-convex or expensive objectives: algorithms for multiobjective optimization without scalarization, Optimization group, Sapienza Università di Roma, Rome, Italy, 03/2019
- Using Convex Underestimators for Global Multiobjective Optimization, Workshop on Optimization, Game Theory, and Data Analysis, Universität Wien, Austria, 12/2018
- Algorithmische Methoden in der multikriteriellen Optimierung, Oberseminar Optimierung und Numerik, Univ. Hannover, Germany, 12/2018
- Non-convexity and decision uncertainty in Multiobjective Optimization, Kolloquium Mathematik, Univ. Halle, Germany, 11/2018
- Algorithmische Lösungsverfahren zu aktuellen Herausforderungen in der multikriteriellen Optimierung, Mathematisches Kolloquium, Universität Paderborn, Germany, 11/2018
- Numerical Results for a Multiobjective Trust Region Solver and an Application to Mixing Using Magnetic Fields, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 10/2018
- A multiobjective Trust Region Method for Expensive and Cheap Functions, EUROPT workshop, Almeria, Spain, 07/2018
- A Trust Region Method for Heterogeneous Multiobjective Optimization, ISMP, Bordeaux, France, 07/2018
- Personalization and Customization of Multicriteria Decision Support Systems, Dagstuhl Seminar 8031 "Personalized Multiobjective Optimization: An Analytic Perspective", Germany, 01/2018
- Klassische numerische Verfahren und neue Herausforderungen der multikriteriellen Optimierung, Angewandte Mathematik und Physik Kolloquium, Technische Hochschule Nürnberg, 11/2017
- Global Optimization Techniques for Copositivity Testing, Oberwolfach-Workshop 1774b: Copositivity and Complete Positivity, Oberwolfach, 11/2017
- Global Optimization Techniques for Robust Multiobjective Optimization, IFORS, Quebec City, Canada, 07/2017
- alphaBB Method for Global Multiobjective Optimization, Europt 2017, Montreal, Canada, 07/2017
- Global multi-objective optimization and an application to robust optimization, SIAM Conference on Optimization, Vancouver, Canada, 05/2017
- αBB Method for Multiobjective and Set Optimization, Kolloquium über Angewandte Mathematik, Georg-August Universität Göttingen, Germany, 04/2017
- Geometric Branch and Bound for Global Multiobjective Optimization, Workshop Woman in Optimization, Trier, 03/2017
- αBB Method for Multiobjective and Set Optimization, Karlsruhe Institute of Technology, Kolloquium Institute of Operations Research, as guest of Prof. Dr. Oliver Stein, Karlsruhe, Germany, 02/2017
- Global Multiobjective Optimization, Oberseminar Numerik, Universität Konstanz, as guest of Prof. Dr. Stefan Volkwein, Konstanz, Germany, 01/2017
- A short introduction to set optimization, Mathematisches Kolloquium, Univ. Bayreuth, 11/2016.
- Classical numerical approaches and new challenges in multiobjective optimization, Wendelsteinseminar, Max-Planck-Institut für Plasmaphysik (IPP, Fusionsanlage Wendelstein 7-X), Greifswald, 11/2016
- Set optimization on the example of Robust Multi-Objective Optimization, Rochester Institute of Technology, USA, 10/2016.
- A robust approach to decision uncertainty in multiobjective optimization, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 10/2016.
- Multiobjective Optimization, Invited Tutorial Autumn School, Research Training Group (Graduiertenkolleg) Algorithmic Optimization, Trier, 09/2016
- Set Optimisation and Robust Multi-Objective Optimisation, Keynote talk, Conference Mathematical Optimisation Down Under, RMIT University, Melbourne, 07/2016
- Multikriterielle Regularisierungsrobustheit und Mengenoptimierung, Dresdner Mathematisches Seminar, Dresden, 06/2016
- Multi-objective Decision Uncertainty and Set Optimization with the Set Approach, Keynote talk, Recent Advances in Multi-Objective Optimization, Lancaster, UK, 06/2016
- Multi-Objective Regularization Robustness, SIGOPT International Conference on Optimization, Trier, 04/2016
- Was ist Optimierung?, Tag der Mathematik, Ilmenau, 03/2016
- Copositive programming and copositivity tests, Oberwolfach-Workshop 1543: Mixed-integer Nonlinear Optimization: A Hatchery for Modern Mathematics, Oberwolfach, 10/2015
- Set optimization with variable ordering structures, EURO conference, Glasgow, UK, 07/2015
- Copositivity tests based on the linear complementarity problem, EUROPT workshop, Edinburgh, UK, 07/2015
- Multikriterielle Optimierung in Anwendungen: variable Ordnungsstrukturen, Kolloquium des Instituts für Mathematik, Univ. Trier, Germany, 06/2015
- Decision making in applications: multi-objective optimization with non-standard preferences, Kolloquium über Angewandte Mathematik, Georg-August Universität Göttingen, Germany, 02/2015
- Variable ordering structures - what can be assumed?, Dagstuhl Seminar 15031 "Understanding Complexity in Multiobjective Optimization", Germany, 01/2015
- Parameter Set for the Normal Boundary Intersection Method, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 10/2014
- Scalarization functionals in vector optimization with variable ordering structures, EUROPT 2014 12th Workshop on Advances in Continuous Optimization, Perpignan, France, 07/2014
- Linear scalarizations for vector optimization problems with a variable ordering structure, SIAM Conference on Optimization in the Minisymposium Recent Developments in Vector Optimization, San Diego, USA, 05/2014
- Vector optimization with variable ordering structures, Plenary Talk, 6th German Polish Conference on Optimization Methods and Applications GPCO 2014 , Wittenberg, Germany, 03/2014
- Variable ordering structures: theoretical and numerical results based on scalarizations, Oberseminar Optimierung, as guest of Prof. C. Tammer, Univ. Halle, Germany, 01/2014
- On the set-semidefinite representation of non-convex quadratic programs, Session on Algebraic Geometry and Semidefinite Programming II, ICCOPT 2013, Lisbon, Portugal, 07/2013
- Variable Orderings in Vector Optimization: Proper Optimality and Numerical Approaches, EUROPT Workshop on Advances in Continuous Optimization, Firenze, Italy, 06/2013
- Optimierung in der Strahlentherapie, Antrittsvorlesung, Ilmenau, Germany, 05/2013
- Proper optimalty in vector optimization with reference dependent preferences, SPOM 2013, Newcastle, Australia, 02/2013
- A procedure for solving vector optimization problems with a variable ordering structure, Session on Vector Optimization, ISMP 2012, Berlin, Germany, 08/2012
- Optimizing multiple objectives, Research Training Group Lorentz Force Velocimetry and Lorentz Force Eddy Current Testing, Ilmenau, Germany, 07/2012
- Data reduction in magnetic resonance imaging by vector and semidefinite optimization, GAMM 2012, Darmstadt, Germany, 04/2012
- Vektoroptimierung und deren Anwendung in der Medizintechnik, Karlsruhe Institute of Technology, Kolloquium Institute of Operations Research, as guest of Prof. Dr. Oliver Stein, Karlsruhe, Germany, 12/2011
- Variable ordering structures in vector optimization: Applications, optimality conditions, and numerical approaches, Oberseminar Optimierung, as guest of Prof. C. Tammer, Univ. Halle, Germany, 10/2011
- Scalarizations in vector optimization with a variable ordering, 15th Austrian-French-German Conference on Optimization, Toulouse, France, 09/2011
- Numerical approaches for the solution of vector optimization problems with a variable ordering structure, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 09/2011
- Recent developments in vector optimization, TU Bergakademie Freiberg, Institute of Numerical Mathematics and Optimization, as guest of Prof. Dr. Stephan Dempe, Freiberg, Germany, 07/2011
- Optimality conditions for vector optimization problems with variable ordering structures, SIAM Conference on Optimization, Darmstadt, Germany, 05/2011
- Characterization of optimal elements of vector optimization problems with a variable ordering structure, Second South Pacific Conference on Mathematics (SPCM2010), Université de la Nouvelle-Calédonie, Nouméa, New Caledonia, 08/2010
- Applications in medical engineering: new challenges in vector optimization, Fraunhofer ITWM, Kaiserslautern, Germany, as a guest of Dr. M. Monz, Fraunhofer ITWM, Kaiserslautern, Germany, 06/2010
- Copositive matrices: sufficient criteria and extension to set-semidefiniteness, as a guest of Prof. Dr. Mirjam Dür, Groningen, The Netherlands, 04/2010
- Vektoroptimierung mit variablen Ordnungsstrukturen (Vector optimization with variable ordering structures), GOR-Workshop Vector Optimization of Complex Structures der AG Entscheidungstheorie und -praxis, Erlangen, Germany, 03/2010
- A new copositivity test, ISDS-Kolloquium, as guest of Prof. Dr. Immanuel Bomze, Univ. Vienna, Austria, 01/2010
- Copositive matrices: sufficient criteria and extension to set-semidefiniteness, as guest of Doc. Dr. Janez Povh, Ljubljana, Slovenia, 11/2009
- Duality with a variable ordering structure, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 09/2009
- A copositivity test based on spectral information, 7th EUROPT Workshop on Advances in Continuous Optimization, Remagen, Germany, 07/2009
- Ein Testverfahren für Mengen-Semidefinite Matrizen basierend auf Spektralinformationen (A Test on Set-semidefinitness Based on Spectral Information), GOR-Workshop Entscheidungstheorie und -praxis, Göttingen, Germany, 03/2009
- Grundlagen der Mengen-Semidefiniten Optimierung (Foundations of Set-semidefinite Optimization), as guest of Prof. K. Klamroth, OAP-WINFOR/Seminar of the optimization and approximation-group, University Wuppertal, Germany, 11/2008
- Ordering concepts in vector optimization, Workshop on Vector- and Set-Optimization, Lutherstadt Wittenberg, Germany, 10/2008
- From Semidefinite and Copositive to Set-Semidefinite Optimization, as guest of Prof. S. Pickl and Prof. A. Bordetsky, Department of Information Science, Naval Postgraduate School, Monterey, USA, 05/2008
- Adaptive Scalarization Methods in Multiobjective Optimization and an Application to IMRT, as guest of Prof. S. Pickl and Prof. A. Bordetsky, Operations Research Department, Naval Postgraduate School, Monterey, USA, 05/2008
- Set-semidefinite optimization and its order structure, SIAM Conference on Optimization 2008, Boston, USA, 05/2008, within the minisymposia Vector and Set-Valued Optimization (organized by G. Eichfelder, A. Loehne, A. Hamel)
- Mengen-semidefinite Optimierung und deren Ordnungskegel (Set-semidefinite optimization and its order structure), GOR-Workshop Entscheidungstheorie und -praxis, Leucorea, Wittenberg, Germany, 03/2008
- Set-Semidefinite Optimization, ISDS-Kolloquium, as guest of Prof. Dr. Immanuel Bomze, Univ. Vienna, Austria, 01/2008
Program director for the term beginning 1/1/2023 for the SIAM Activity Group on Optimization
Invited Organizer of a stream on “Multiobjective Optimization” for the 33. European Conference on Operational Research (EURO 33) in Copenhagen, Denmark, June 30 – July 3, 2024.
Member of the Programme Committee of the 20th EUROPT Workshop on Advances in Continuous Optimization (EUROPT 2023), August, 23-25, 2023, Budapest, Hungary.
Member of the Programme Committee of the International Conference on Bilevel Optimization, August 8-11, 2023 in Southampton, UK.
Co-Organizer with Oliveira Fabricio, Jan Kronqvist, Andrea Lodi, and Elina Rönnberg of the a conference on "Learning from both sides: linear and nonlinear mixed-integer optimization", July 3 - 7, 2023, at, and funded by, the Institut Mittag-Leffler of the Royal Swedish Academy of Science.
Invited Organizer of a Minisymposium with four sessions (12 talks) on “Recent Algorithmic Advances in Multiobjective Optimization” for the SIAM Conference on Optimization, Seattle, US, in May 2023
Member of the Organizing Committee and of the Scientific Committee of the German-Polish Conference on Optimization (GPCO 2022) that will be held in Apolda close to Jena, Germany, 2022.
Member of the Programme Committee of the 19th EUROPT Workshop on Advances in Continuous Optimization (EUROPT 2022), July, 29-30, 2022, Lisbon, Portugal.
Organizer of five session on the topics "Global Multiobjective Optimization", "Continuous Multiobjective Optimization", "Mixed-Integer Multiobjective Optimization" and (with Julia Fligge-Niebling) on "Multiobjective Optimization and Machine Learning", for the 19th EUROPT Workshop on Advances in Continuous Optimization (EUROPT 2022), July, 29-30, 2022, Lisbon, Portugal.
Member of the Programme Committee of the XXXI EURO Conference (and responsible for the Area Continuous Optimization), (online) Athens, Greece, July 11-14 , 2021.
Member of the Programme Committee of the 18th EUROPT Workshop on Advances in Continuous Optimization (EUROPT 2021), July, 2021 (online) Toulouse, France.
Organizer of a session on "Mixed Integer Multiobjective Optimization" (with Marianna De Santis) and of two session on "Multiobjective Optimization", EUROPT 2021, July, 2021 (online) Toulouse, France.
Member of the Organizing Committee of the 2021 SIAM Conference on Optimization (online) Spokane Washington, US, July, 20-23, 2021.
Research visit at Global Optimization Laboratory "Gerardo Poggiali" within the group of Fabio Schoen, University of Florence, November 2023.
Keynote speaker at the RAMOO Workshop on Recent Advances in Multi-Objective Optimization in Rome, Italy, in September 2023 and Research visit at Sapienza Università di Roma, Italy, working with Marianna De Santis, September 2023.
Invited Participant of the Dagstuhl Seminar 23361 on Multiobjective Optimization on a Budget, September, 3-8, 2023, Dagstuhl, Germany.
Invited Speaker at the SIGOPT 2023 International Conference on Optimization 2023 in March 2023 in Cottbus, Germany.
Research visit at WU Vienna at the Institute for Statistics and Mathematics working with Birgit Rudloff in December 2022.
Research visit at the Institute for Operations Research, KIT, as a guest of Oliver Stein in November 2022.
Semiplenary talk at the OR 2022, the International Conference on Operations Research, September 2022 in Karlsruhe, Germany.
Plenary talk at the Seventh IMA Conference on Numerical Linear Algebra and Optimization, June 29-July 1, 2022, University of Birmingham, UK.
Research visit at Nova School of Science and Technology, Lisbon, Portugal, working with Ana Luísa Custódio on multiobjective optimization, January 2022.
Keynote talk at the Finnish Mathematical Days in Tampere, Finland (moved to online), January 2022
Lecture Series on the topic "Computational Methods in Multiobjective Optimization" for the PhD students of the Vienna Graduate School on Computational Optimization, Vienna, Austria (moved to online), December 2021.
Research visit at KTH Royal Institute of Technology, Sweden, working with Jan Kronqvist on mixed integer nonlinear optimization, November/December 2021.
Research visit at Sapienza Università di Roma, Italy, working with Marianna De Santis on mixed integer nonlinear optimization, October 2021.
Plenary talk at the Australian and New Zealand Industrial and Applied Mathematics Annual Conference – ANZIAM 2021, 31 January – 4 February 2021 at the RACV Cape Shanck Resort, Victoria, Australia.
Information on the courses can be found on moodle.
- Globale Optimierung
- Numerische Verfahren der konvexen Optimierung
- Seminar für Wirtschaftsmathematik
Information on the courses can be found on moodle.
- Mathematics for Economics and Social Sciences 2
- Optimization
- Course on Mathematical Modelling - Part Optimization
- Seminar
- Gast-Editor Special Issue on Set-Valued Optimization and Variational Analysis - dedicated to Professor Johannes Jahn on the occasion of his 65th birthday, 2019 Optimization
Computers & Operations Research , Elsevier, Member of the Editorial Advisory Board 2012 -
Engineering Applications of Artificial Intelligence, Elsevier, Member of the Editorial Board 2023 -
EURO Journal on Computational Optimization, Elsevier, Associate Editor 2021 -
Operations Research Letters, Elsevier, Associated Editor 2013 -
Optimization, Taylor & Francis, Member of the Editorial Board 2015 -
RAIRO - Operations Research Associated Editor 2016 - 2020
Asia-Pacific Journal of Operational Research Associated Editor 2013 - 2018
Journal of Optimization Theory and Applications, Springer, Area Editor 2021-
01/2012 Habilitation in mathematics
Post-doctoral thesis: Vector Optimization with Variable Ordering Structures
07/2006 PhD in Mathematics (Applied Mathematics)
PhD-Thesis: Parameter Controlled Solving of Nonlinear Multi-Objective Optimization Problems, Supervisor: Prof. J. Jahn
07/2001 Degree in Mathematics (Diplom-Mathematikerin, comparable to a Master in Mathematics) at the University of Erlangen-Nuremberg, Germany
1996 - 2001 Studies of Mathematics with Economics as a minor field of studies at the University of Erlangen-Nuremberg, Germany
Diplomarbeit (Master thesis): Contingent epiderivatives of set valued maps
06/1996 Diploma from German secondary school
since April 2012 Full professor (W3) for Mathematical Methods of Operations Research at the Institute of Mathematics, TU Ilmenau
2006 - 2012 Assistant professor (Akademische Rätin auf Zeit), Department of Mathematics, Chair of Applied Mathematics II (Optimization), University of Erlangen-Nuremberg, Germany
2001 - 2006 Teaching and research assistant, Department of Mathematics, Chair of Applied Mathematics II (Optimization), group of Professor Jahn, University of Erlangen-Nuremberg, Germany
since 10/2019
Member of the Senate of the TU Ilmenau
since 11/2012
Member of the committee of the study course (Studiengangskommissionen) Mathematics (Master) at the TU Ilmenau
10/2017- 05/2019
Member of the "Senatsausschuss für Hochschulentwicklung und Qualitätssicherung"
2014 - 2017
Member of the Senate of the TU Ilmenau
07/2012 - 06/2019
Deputy Director of the Institute of Mathematics at the TU Ilmenau
Best paper award 2022 of the Journal of Global Optimization, honorable mentioning for the paper A general branch-and-bound framework for continuous global multiobjective optimization (with P. Kirst, L. Meng, O.Stein)
Publication award for the paper
Solving Multiobjective Mixed Integer Convex Optimization Problems, SIAM Journal on Optimization, 2020 (with Marianna De Santis, Julia Niebling and Stefan Rocktäschel) for the best publication in Mathematics and natural science in 2022 of the TU Ilmenau.Best paper award 2021 of the Journal of Global Optimization, honorable mentioning for the paper An algorithmic approach to multiobjective optimization with decision uncertainty (with J. Niebling and S. Rocktäschel)
Job offer (Ruf) in 2018 for a Professorship (W3) on Nonlinear Optimization, University of Trier — declined
- Job offer (Ruf) in 2018 for a Professorship Mathematics (W3), University of Koblenz-Landau — declined
- Publication award for the paper Copositivity detection by difference-of-convex decomposition and ω-subdivision (with I. Bomze) for the best publication in Mathematics and natural science in 2014 of the TU Ilmenau