Data Anja Fischer

Consultation hours

by arrangement

Additional Informations

Curriculum Vitae

Academic Education

seit 04/2021	Professor at the Professorship Management Science of Faculty of Business and Economics of TU Dortmund University
10/2017 - 03/2021	Juniorprofessor at the junior professorship Management Science of Faculty of Business and Economics of TU Dortmund University
07/2015 – 09/2017	Juniorprofessor at the Institute for Numerical and Applied Mathematics, University of Göttingen
08/2013 - 06/2015	Postdoc at the TU Dortmund University, Department of Mathematics
07/2013	Promotion Dissertation: A Polyhedral Study of Quadratic Traveling Salesman Problems
04/2009 - 07/2013	Research assistant at the Department of Mathematics at Chemnitz University of Technology at the Cluster of Excellence "Energy-Efficient Product and Process Innovations in Production Engineering" (eniPROD)
10/2008 - 03/2009	Research assistant at the Department of Computer Science at Chemnitz University of Technology
09/2008	Assistant at the Department of Computer Science at Chemnitz University of Technology
06/2008	Diploma in Business Mathematics Diploma thesis: Erstellen von wegeoptimierten Stundenplänen mit Diskreten Methoden
10/2003 - 07/2008	Studies of Business Mathematics, Chemnitz University of Technology

Research Interrests

Combinatorial Optimization, especially for problems with non-linearities
Polyhedral combinatorics
Semidefinite Optimization
Facility Layout Problems
Applications of integer programming in factory planning, logistics, mechanical engineering and bioinformatics

Publications

Journal Publications

A. Fischer, M. Dahlbeck, F. Fischer, P. Hungerländer, K. Maier. 2023: Exact approaches for the combined cell layout problem, European Journal of Operational Research 305(2), S. 530–546, 2023: https://doi.org/10.1016/j.ejor.2022.04.031
A. Fischer, F. Fischer, T. McCormick. 2022: Matroid Optimization Problems with Monotone Monomials in the Objective, mit Discrete Applied Mathematics 308, S. 20–35, 2022: https://doi.org/10.1016/j.dam.2020.04.004
A. Fischer, F. Fischer, M. Dahlbeck. 2020: Decorous Combinatorial Lower Bounds for Row Layout Problems. European Journal of Operational Research 286(3), S. 929–944.
A. Fischer, F. Fischer, T. McCormick. 2020: Matroid Optimization Problems with Monotone Monomials in the Objective. Discrete Applied Mathematics.
A. Fischer, F. Fischer, P. Hungerländer. 2019: New Exact Approaches to Row Layout Problems. Mathematical Programming Computation 11(4), S. 703–754.
A. Fischer, F. Fischer. 2019: Counting Degree Sequences of Spanning Trees in Bipartite Graphs: A Graph Theoretic Proof. Journal of Graph Theory 92(3), S. 230–236.
A. Fischer, M. Anjos, P. Hungerländer. 2018: Improved exact approaches for row layout problems with departments of equal length. European Journal of Operational Research 270(2), S. 514–529.
A. Fischer, F. Fischer, T. McCormick. 2018. Matroid Optimisation Problems with Nested Non-linear Monomials in the Objective Function. Mathematical Programming 169(2), S. 417–446.
A. Fischer, P. Hungerländer. 2017: The traveling salesman problem on grids with forbidden neighborhoods. Journal on Combinatorial Optimization 34, S. 891–915.
A. Fischer, U. Bracht, T. Krüger. 2017. Mathematische Anordnungsoptimierung und Simulation – Ein kombinierter Ansatz zur Fabriklayoutplanung. wt online 4-2017, S. 200–206.
A. Fischer, O. Aichholzer, F. Fischer, J. F. Meier, U. Pferschy, A. Pilz, R. Staněk. 2017. Minimization and maximization versions of the quadratic travelling salesman problem. Optimization 66(4), S. 521–546.
A. Fischer, F. Fischer. 2015: An extended approach for lifting clique tree inequalities. Journal of Combinatorial Optimization 30(3): 489-519.
A. Fischer, F. Fischer, G. Jäger, J. Keilwagen, P. Molitor, I. Grosse: 2015. Computational Recognition of RNA Splice Sites by Exact Algorithms for the Quadratic Traveling Salesman Problem. Computation 3(2): 285-298.
A. Fischer, F. Fischer, G. Jäger, J. Keilwagen, P. Molitor, I. Grosse: 2014. Exact algorithms and heuristics for the Quadratic Traveling Salesman Problem with an application in bioinformatics. Discrete Applied Mathematics 166: 97-114.
A. Fischer. 2014: An Analysis of the Asymmetric Quadratic Traveling Salesman Polytope. SIAM Journal on Discrete Mathematics 28(1): 240-276.
A. Fischer, C. Helmberg. 2013: The symmetric quadratic traveling salesman problem. Mathematical Programming 142(1): 205-254.
A. Fischer, F. Fischer. 2013: Complete description for the spanning tree problem with one linearised quadratic term. Operations Research Letters 41(6): 701-705.

Conference Papers

Combining Simulation and Optimization for Extended Double Row Facility Layout Problems in Factory Planning, mit U. Bracht, M. Dahlbeck, T. Krüger, Simulation Science, Hrsg. M. Baum et al.; S. 39–59, Springer, 2018:
https://link.springer.com/chapter/10.1007/978-3-319-96271-9_3
Closed Almost Knight’s Tours on 2D and 3D Chessboards, mit M. Firstein, P. Hungerländer, Operations Research Proceedings 2017, Hrsg. N. Kliewer et al.; S. 185–190, Springer, 2018
The Traveling Salesperson Problem with Forbidden Neighborhoods on Regular 3D Grids, mit P. Hungerländer, A. Jellen, Operations Research Proceedings 2017, Hrsg. N. Kliewer et al.; S. 213–219, Springer, 2018
A New Exact Approach to the Space-Free Double Row Layout Problem, mit F. Fischer, P. Hungerländer,Operations Research Proceedings 2015, Hrsg. K. F. Dörner et al.; S. 125–130, Springer, 2017.
Linear Models and Computational Experiments for the Quadratic TSP, mit J. F. Meier, U. Pferschy, R. Stanek, Electronic Notes in Discrete Mathematics 55, S. 97–100, 2016.
Solution Approaches for the Double-Row Equidistant Facility Layout Problem, mit M. Anjos, P. Hungerländer, Operations Research Proceedings 2014, Hrsg. M. Lübbecke et al.; S. 17–24, Springer, 2016.
A Polyhedral Study of Quadratic Traveling Salesman Problems, Operations Research Proceedings 2014, Hrsg. M. Lübbecke et al.; S. 143–150, Springer, 2016.
Wirtschaftliche Analyse von Handlungsalternativen am Beispiel der energiesensitiven Koordination von Robotern in getakteten Fertigungsstraßen, mit S. Krönert, F. Fischer, U. Götze, 2. Methodenworkshop der Querschnittsarbeitsgruppe 1 des Spitzentechnologieclusters eniPROD, S. 213–230, Verlag Wissenschaftliche Scripten, 2013.
Energy-sensitive process chain optimization on the example of forging, mit Ch. Helmberg, G. Reghenspurgher, 2. Methodenworkshop der Querschnittsarbeitsgruppe 1 des Spitzentechnologieclusters eniPROD, S. 129–143, Verlag Wissenschaftliche Scripten, 2013.
Simulation and Optimization of Robot Driven Production Systems for Peak-load Reduction, mit S. Lorenz, M. Hesse, Proceedings of the 2012 Winter Simulation Conference, 2012:
http://informs-sim.org/wsc12papers/includes/files/con179.pdf
Planung energieeffizienter Fabriksysteme, mit U. Götze, E. Müller, A. Schütz, Ch. Helmberg, N. Rösch, S. Nizielski, L. Meynerts, Energieeffiziente Produkt- und Prozessinnovationen in der Produktionstechnik, Tagungsband zum 1. Internationalen Kolloquium des Spitzentechnologieclusters eniPROD, S. 519–549, Verlag Wissenschaftliche Scripten, 2010.
Integrating Energy Flows in Modeling Manufacturing Processes and Process Chains of Powertrain Components, mit U. Götze, Ch. Helmberg, G. Rünger, A. Schubert, S. Goller, B. Krellner, R. Sygulla, Energieeffiziente Produkt- und Prozessinnovationen in der Produktionstechnik, Tagungsband zum 1. Internationalen Kolloquium des Spitzentechnologieclusters eniPROD, S. 409–438, Verlag Wissenschaftliche Scripten, 2010.

Other Publications

Polyedrische Studien für das quadratische Handlungsreisendenproblem, OR News 53, S. 15–17, 2015.

Preprints

A study of the relation between the single-row and the double-row facility layout problem, mit M. Dahlbeck, P. Hungerländer:
http://www.optimization-online.org/DB_HTML/2020/11/8110.html
New exact approaches for the combined cell layout problem and extensions of the multibay facility layout problem, mit M. Dahlbeck, P. Hungerländer, K. Maier:
http://www.optimization-online.org/DB_HTML/2020/10/8068.html

Final papers

A Polyhedral Study of Quadratic Traveling Salesman Problems. Dissertation, Technische Universität Chemnitz, 2013, Advisor Prof. Dr. Ch. Helmberg.
Erstellen von wegeoptimierten Stundenplänen mit Diskreten Methoden. Diploma thesis, Technische Universität Chemnitz, 2008, Advisor Prof. Dr. Ch. Helmberg.
Online-Optimierung von Packungsproblemen in der Transport-Logistik. Student Research Project, Technische Universität Chemnitz, 2007, Advisor Prof. Dr. Ch. Helmberg.