Research
Projects and Research Interests
I am currently working within the research team of my supervisor Horst W. Hamacher.
REPKA: Regionale Evakuierung - Planung, Kontrolle und Anpassung
Click here (homepage of the AG Optimierung about the project) or here (project homepage) for further informations.
REPKA is now also on facebook and twitter.
My research interests are:
- Matroids
- Location Problems
- MatroidLoc Problems
- Interdiction
- Hub Location
Publications & Thesis
- H.W. Hamacher, S. Heller, "The Single Allocation Hub Center FlowLoc Problem", Proceedings of the EWGLA XIX, 2011
- H.W. Hamacher, S. Heller, B. Rupp, "Flow location (FlowLoc) problems: dynamic network flows and location models for evacuation planning", Annals of Operations Research, 2011
- S. Heller, "Forschungsprojekt REPKA: Regionale Evakuierung: Planung, Kontrolle und Anpassung" in the magazine „Polizei Dein Partner“, federal state district of Rhineland-Palatinate, issue of June 2011.
- S. Heller, H.W. Hamacher, "The Multi Terminal q-FlowLoc Problem: A Heuristic", Lecture Notes in Computer Science (6701), pp. 523-528, 2011
- H.W. Hamacher, S. Heller, "The Multi Terminal q-FlowLoc Problem: A Heuristic", Report in Wirtschaftsmathematik (WIMA Report), Band 136, TU Kaiserslautern, 2011
- H.W. Hamacher, S. Heller, W. Klein, G. Köster, S. Ruzika, "A Sandwich Approach for Evacuation Time Bounds", Proceedings of PED 2010, International Fifth International Conference on Pedestrian and Evacuation Dynamics, pp. 503-513, 2011
- S. Heller, "Sensitivitätsanalyse bei dynamischen Netzwerkflussproblemen", Diplomarbeit, TU Kaiserslautern, 2009
Talks
- "FlowLoc Probleme am Betzenberg", Meeting of all REPKA partners on November 2011 in St. Martin/Pfalz, Germany
- "The Single Allocation Hub Center FlowLoc Problem", EWGLA XIX, October 12-14, 2011, Nantes
- "A Heuristic for the q-FlowLoc Problem", INOC 2011, June 2011
- "Modellierung, Szenarien und Visualisierung", together with Kathrin Leiner, Semiannual meeting of all REPKA partners on May, 2010 in Kaiserslautern
- "FlowLoc Probleme", Semiannual meeting of all REPKA partners on October 2010 in Nuremberg
- "Die Sandwich-Idee für Evakuierungszeiten", Semiannual meeting of all REPKA partners on March 2010 in Trippstadt
- "A Sandwich Approach for Evacuation Time Bounds", PED 2010, MD USA, March 2010
- "Algorithmische Umsetzung dynamischer Netzwerkflussalgorithmen", Meeting of all REPKA partners on September 2009 in Trippstadt, Germany
- "Wabengraphen", Meeting of all REPKA partners on September 2009 in Trippstadt, Germany
- "Statische Netzwerkflüsse", Meeting of all REPKA partners on May 2009 in Kaiserslautern, Germany
- "Sensitivitätsanalyse dynamischer Netzwerkflussprobleme", Seminar of Optimization Research Group, Department of Mathematics, Technical University of Kaiserslautern, Germany, 2009
Participation in Workshops & Conferences
- 20. Technologie- und InnovationsFORMUM 2012, March 21, 2012 in Kaiserslautern
- Semiannual meeting of all REPKA partners on November 10 & 11, 2011 in St. Martin/Pfalz
- EWGLA XIX, Nantes, October 12-14, 2011
- International Network Optimization Conference (INOC 2011), Hamburg, June 13-16, 2011
- Semiannual meeting of all REPKA partners on May 5 & 6, 2011 in Kaiserslautern
- Semiannual meeting of all REPKA partners on October 25 & 26, 2010 in Nuremberg
- Semiannual meeting of all REPKA partners on March 24 & 25, 2010 in Trippstadt
- Fifth International Conference on Pedestrian and Evacuation Dynamics (PED 2010), Gaithersburg, MD USA, March 8-10, 2010
- BMBF Workshop for evacuation modellling on November 30, 2009 in Kaiserslautern
- Meeting of all REPKA partners on September 9 & 10, 2009 in Trippstadt, Germany
- Meeting of all REPKA partners on May 17 & 18, 2009 in Kaiserslautern, Germany