{{ :staff:boekler.png?nolink&120|Fritz Bökler}} ====== Fritz Bökler ====== **I moved to the theoretical computer science group at Osnabrück University. You can find my new website at http://tcs.uos.de/staff/boekler** ===== Research Interests ===== * (Multi-objective) combinatorial optimization, especially graph problems * Multi-objective linear programming * Fixed-parameter tractability * Integer programming methods * Graph theory, graph algorithms * Computational complexity ===== Publicly Available Instances ===== * [[staff/boekler/moco-instances|Instances in Multiobjective Combinatorial Optimization]] ===== Research Projects ===== * [[http://www.stromnetzplanung.de/projekt/aktuelles.html| BMWI Projekt: Stromnetzplanung]] \\ This interdisciplinary research and development project has the aim to investigate sustainable methods of evaluating and analyzing network topologies and power grid lines. A special focus will be made on multi-objective tools and optimization. ===== Publications ===== ==== Refereed Conference Articles ==== * **Tree-Deletion Pruning in Label-Correcting Algorithms for the Multiobjective Shortest Path Problem** \\ //Fritz Bökler and Petra Mutzel//, \\ WALCOM 2017, Springer, Lecture Notes in Computer Science 10167, pp. 190–203, 2017. * **The Multiobjective Shortest Path Problem Is NP-Hard, or Is It?** \\ //Fritz Bökler//, \\ EMO 2017, Springer, Lecture Notes in Computer Science 10173, pp. 77–87, 2017. * **Output-Sensitive Algorithms for Enumerating the Extreme Nondominated Points of Multiobjective Combinatorial Optimization Problems** \\ //Fritz Bökler and Petra Mutzel//, \\ Algorithms – ESA 2015, Springer, Lecture Notes in Computer Science 9294, pp. 288–299, 2015. * **The Stochastic Steiner Tree Problem on Partial k-Trees** \\ //Fritz Bökler, Petra Mutzel and Bernd Zey//, \\ Proceedings of the Workshop on Mathematical and Engineering Methods in Computer Science (MEMICS) 2012, NOVPRESS Brno, October 2012 ==== Refereed Journal Articles ==== * **Output-sensitive Complexity of Multiobjective Combinatorial Optimization** \\ //Fritz Bökler, Matthias Ehrgott, Christopher Morris, Petra Mutzel//, \\ Journal of Multicriteria Decision Analysis 24(1–2), pp. 25–36, 2017. ==== Journal Articles ==== * **Konfliktarme Trassenverläufe**\\ //Frank Weichert, Daniel Bachmann, Fritz Bökler, Jakob Kopec, Kira Popp, Björn Schwarze//, \\ arcAktuell 4/2015, 2015 * **Transparente Identifizierung und Bewertung von Höchstspannungstrassen mittels mehrkriterieller Optimierung** \\ //Daniel Bachmann, Fritz Bökler, Mike Dokter, Jakob Kopec, Björn Schwarze and Frank Weichert//, \\ Energiewirtschaftliche Tagesfragen, September 2015 ==== Thesis ==== * **[[https://ls11-www.cs.tu-dortmund.de/_media/techreports/tr12-02.pdf| TR12-02: Algorithmen für das Stochastische Steinerbaumproblem auf Serien-Parallelen Graphen]]** \\ //Fritz Bökler//,\\ Diplomarbeit (Master's thesis), TU Dortmund, April 2012 ===== Teaching/Lehre ===== ==== Supervised Bachelor/Master/Diploma-Theses ==== * Maximilian Trögel (BT, 2017): **Methoden zur Lösung des Mehrkriteriellen Kürzeste-Wege-Problems im Überblick** * Rosa Pink (BT, 2016): **Optimale Schrittweiten für einen bikriteriellen Evolutionären Algorithmus mit S-Metrik-Selektion** * Oliver Zietek (BT, 2016): **Vergleich von Algorithmen zum Bestimmen von minimalen Vektoren** * Christopher Morris (MT, 2015): **Enumeration Complexity of Multicriteria Linear Optimization** * Stephan Schlagkamp (MT, 2013): **Algorithms for Multicriteria Network Design Problems on Graphs of Bounded Treewidth** ==== Sommersemester 2017 ==== * [[teaching:seminarae-ss2017 | Seminar Algorithm Engineering]] ==== Wintersemester 2016/17 ==== * [[staff:mutzel:prosemunplugged | Proseminar "Algorithms Unplugged"]] ==== Sommersemester 2016 ==== * [[teaching:seminarae-ss2016 | Seminar Algorithm Engineering]] ==== Wintersemester 2015/16 ==== * [[teaching:seminarae-ws2015 | Seminar Algorithm Engineering]] ==== Sommersemester 2015 ==== * [[teaching:seminarae-ss2015 | Seminar Algorithm Engineering]] ==== Wintersemester 2014/15 ==== * [[teaching:seminarae-ws2014 | Seminar Algorithm Engineering]] ==== Wintersemester 2013/14 ==== * [[de:teaching:lectures:monet | Projektgruppe MONET: Multi-Objective Network Design]] * [[teaching:seminarae-ws2013 | Seminar Algorithm Engineering]] ==== Sommersemester 2013 ==== * [[https://ls10-wiki.cs.tu-dortmund.de/dap1/| Übung zu Datenstrukturen, Algorithmen und Programmierung I]] * [[de:teaching:lectures:monet | Projektgruppe MONET: Multi-Objective Network Design]] * [[teaching:seminarae-ss2013 | Seminar Algorithm Engineering]] ==== Wintersemester 2012/13 ==== * [[http://ls1-www.cs.tu-dortmund.de/cms/index.php?option=com_content&view=article&id=908:eini-lw-ws-201213&catid=180| Praktikum zu Einführung in die Informatik für Logistiker und Wirtschaftsingenieure]] * [[http://ls1-www.cs.tu-dortmund.de/cms/index.php?option=com_content&view=article&id=909:eini-wima&catid=180| Praktikum zu Einführung in die Informatik für Wirtschaftsmathematiker]] * [[teaching:seminarae-ws2012 | Seminar Algorithm Engineering]] ==== Sommersemester 2012 ==== * [[staff:rudolph:poks-u-2012| Übung zu Praktische Optimierung]]