Publications
Prof. Dr. Stefan Nickel
1. Books
1. Operations Research Proceedings 2007, Selected Papers of the Annual International
Conference of the German Operations Research Society (GOR), Saarbrücken,
September 5-7, 2007, J. Kalcsics and S. Nickel (eds.), Springer 2008.
2. Location Theory: A Unified Approach, S. Nickel and J. Puerto, Springer 2005.
3. Discrete and Network Location Theory, Vorlesungsskript, Fachbereich Mathematik,
Universität Kaiserslautern, 1999.
4. Convex Analysis, Vorlesungsskript, Fachbereich Mathematik, Universität
Kaiserslautern, 1998.
5. Systems Thinking and its Applications, H.W. Hamacher and S. Nickel (eds.), in
"Modellierung im Interdisziplinären Studienprogramm", Shaker Verlag, (1997)., 209
Pages.
6. Recent Advances in Locational Analysis, Proceedings of the 8th meeting of the Euro
Working Group on Locational Analysis (EWGLA8) H.W. Hamacher, K. Klamroth and
S. Nickel (ed.) in Studies of Locational Analysis, 10 (1996), 190 Pages.
7. Discretization of Planar Location Problems, Dissertation, Universität Kaiserslautern,
1995, Shaker Verlag, (1995), 108 Pages.
8. Emergency, Industrial and Public Transportation Planning Using Linear and Integer
Programming (with M. Ehrgott, H. W. Hamacher and M. C. Müller), Universität
Kaiserslautern, 1994, 101 Pages.
2. Articles in Journals, Proceedings and Books
1. with Z. Drezner, „Constructing a DC Decomposition for Ordered Median Problems“,
appears in Journal of Global Optimization (2008).
2. with M.T. Melo and F. Saldanha-da-Gama, „Network Design Decisions in Supply
Chain Planning“, in: Buchholz, P. and Kuhn, A. (Editors.), Optimization of Logistics
Systems – Methods and Experiences – Symposium of the Collaborative Research
Center 559 „Modelling of Large Logistics Networks“, P. 1-19, Verlag Praxiswissen
(2008).
3. with T. Hanne and T. Melo, „Bringing robustness to patient flow management through
optimized patient transports in hospitals“, appears in Interfaces (2008).
4. with T. Melo and F. Saldanha da Gama, „Facility Location and Supply Chain
Management – A comprehensive review“, appears in EJOR (2008).
5. with A. Marin, J. Puerto and S. Velten, „ A Flexible Model and Efficient Solution
Strategies for Discrete Location Problems”, appears in Discrete Applied Mathematics
(2008).
6. with A. Beaudry, G. Laporte and T. Melo, „Dynamic transportation of patients in
hospitals“, appears in OR Spectrum (2008).
7. Kapitel 3 „Logistik“, in: Fleßa, Steffen, Grundzüge der Krankenhaussteuerung,
Oldenbourg 2008, P. 173-191.
8. with Y. Hinojosa, J. Kalcsics, J. Puerto and S. Velten, „Dynamic supply chain design
with inventory“, Computers & Operations Research, 35: 373-391 (2008).
9. with S. Velten and H.-P. Ziegler, „Optimal Control Strategies for Incoming
Inspections“, in: Kalcsics, J. and Nickel, S. (Editors.), Operations Reserach
Proceedings 2007, S. 43-48, Springer (2008).
10. with S. Gelareh, „A Benders Decomposition for Hub Location Problems Arising in
Public Transport“, in: Kalcsics, J. and Nickel, S. (Editors.), Operations Reserach
Proceedings 2007, S. 129-134, Springer (2008).
11. with R. Herrera and J. Kalcsics, “Reliability Models for the Uncapacitated Facility
Location Problem with User Preferences”, in: Kalcsics, J. and Nickel, S. (Editors.),
Operations Reserach Proceedings 2007, S. 135-140, Springer (2008).
12. with Z. Drezner, „Solving the ordered one-median problem in the plane“, appears in
European Journal of Operational Research (2008).
13. with U.-A. Schmidt, „Krankenhauslogistik – Klinische Pfade und Terminplanung“, in:
Zülch, G., Stock, P., Hrdina, J., Gamber, T. (Editors.): Erfolgsfaktor Arbeitszeit im
Krankenhaus, Tagungsunterlagen zum Workshop im Rahmen des DFG-Projektes
„Prozessoptimierung und effizienter Personaleinsatz im Krankenhausbereich –
Gestaltung flexibler Arbeitszeitmodelle with Hilfe der personalorientierten Simuation“
am 16.04.2007 in der Universität Karlsruhe (TH), ISBN 978-3-00-021634-3.
14. with N. Boland, P. Domínguez-Marín and J. Puerto, „Exact Procedures for Solving the
Discrete Ordered Median Problem”, Computers & Operations Research, 33: 32703300 (2006).
15. with M.T. Melo and F. Saldanha da Gama, „Dynamic multi-commodity capacitated
facility location: A mathematical modeling framework for strategic supply chain
planning”, Computers & Operations Research 33: 181-208 (2006).
16. with R. Velásquez and M.T. Melo, „An LP-based Heuristic Approach for Strategic
Supply Chain Design”. Operations Research Proceedings 2005, P. 167-172, Springer
(2006).
17. with A. Marin, J. Puerto and S. Velten, „ A Flexible Model and Efficient Solution
Strategies for Discrete Location Problems”. Operations Research Proceedings 2005,
P. 349-354, Springer (2006).
18. with J. Kalcsics and M. Schröder, „Towards a Unified Territorial Design Approach –
Applications, Algorithms and GIS Integration”, Sociedad de Estadistica e
Investigación Operativa Top 13: 1-74 (2005).
19. with S. Velten and G. Weimerskirch, „Strategische Supply-Chain Entscheidungen in
der Stahlindustrie - Eine Fallstudie –” , in H.O. Günther, D. C. Mattfeld and L. Suhl
(editors): Supply Chain Management und Logistik, Physica-Verlag (2005).
20. with J. Puerto and A. Rodriguez-Chia, „MCDM Location Problems” in J. Figueira, S.
Greco and M. Ehrgott (eds.): Multiple Criteria Decision Analysis - State of the Art
Annotated Surveys, P. 761-787, Springer (2005).
21. with P. Domínguez-Marín, P. Hansen and N. Mladenovic, „Heuristic Procedures for
Solving the Discrete Ordered Median Problem”, Annals of Operations Research, 136:
145-173 (2005).
22. with J. Puerto, A. Rodriguez-Chia and A. Weissler, „Multicriteria Planar Ordered
Median Problems”, Journal of Optimization Theory and Applications, 126:657-683
(2005).
23. with T. Hanne, „A Multi-Objective Evolutionary Algorithm for Scheduling and
Inspection Planning in Software Development Projects”, European Journal of
Operational Research, 167:663-678 (2005).
24. with H. W. Hamacher, M. Labbé and T. Sonneborn, „ Adapting polyhedral properties
from facility to hub location problems “, Discrete Applied Mathematics, 145:104-116
(2004).
25. with D. Hietel and A. Lavrov, „Interaction Control in a Combined Logistics and
Chemical Process Simulation”, Proceedings of the 15th European Simulation
Symposium, P. 562-568, Delft, Niederlande (2003).
26. with J. Puerto and A. Rodriguez-Chia, „An Approach to Location Models Involving
Sets as Existing Facilities”, Mathematics of Operations Research, 28:693-715 (2003).
27. with E. Carrizosa, „Robust Facility Location”, Mathematical Methods of Operations
Research, 58:331-349 (2003).
28. „Simulation und Online-Optimierung in der Logistik”, in Logistik – Just in Time?!,
Pages 27-41, Shaker (2003).
29. with J. Kalcsics and M.T. Melo „Mathematical Programming Models for Strategic
Supply Chain Planning and Design“, Operations Research Proceedings 2002, Pages
108-113, Springer (2003).
30. with J. Kalcsics and J. Puerto, „Multi-facility ordered median problems on networks -A
further analysis “, Networks 41:1-12 (2003).
31. with H. W. Hamacher, M. Labbé and A. J. V. Skriver, „Multicriteria Semi-obnoxious
Network Location Problems (MSNLP) with Sum and Center Objectives“, Annals of
Operations Research 110:33-53 (2002).
32. with H. Neu, T. Hanne, J. Münch and A. Wirsen, „Simulation-Based Risk Reduction
for Planning Inspections“, Lecture Notes in Computer Science, 2559 International
Conference on Product Focused Software Process Improvement, Pages 78-93,
Springer (2002).
33. with J. Kalcsics, J. Puerto and A. Tamir, „Algorithmic Results for Ordered Median
Problems defined on Networks and the Plane“, OR Letters, 30:149-158 (2002).
34. with Matthias Ehrgott, „On the Number of Criteria Needed to Decide Pareto
Optimality", Mathematical Methods of Operations Research, 55: 329-345, (2002).
35. with J. Kalcsics, M.T. Melo and H. Gündra, „ Planning Sales Territories - A Facility
Location Approach “, Operations Research Proceedings 2001, Pages 141-148,
Springer (2002).
36. with H.W. Hamacher and D. Tenfelde-Podehl, „Facilities Layout for Social
Institutions“, Operations Research Proceedings 2001, Pages 229-236, Springer
(2002).
37. with F.R. Fernández, J. Puerto and A.M. Rodriguéz-Chia, „Robustness in the Paretosolutions for the Multicriteria Weber Location Problem”, Journal of Multicriteria
Decsion Analysis, 10: 191-203 (2001).
38. with T. Bender, H. Hennes, J. Kalcsics and T. Melo, „Location Software and Interface
with GIS and Supply Chain Management”, in: Drezner, Z. and Hamacher, H.
(Editors.): Facility Location - Applications and Theory, Springer (2002), S. 233-274.
39. „Discrete Ordered Weber Problems“, in Operations Research Proceedings 2000,
Pages 71-76, Springer (2001).
40. with B. Käfer, „Error boands for the approximative solution of restricted planar location
problems”, European Journal of Operational Research, 135: 67-85 (2001).
41. with E. Carrizosa, H. W. Hamacher and R. Klein, „Solving Nonconvex Planar Location
Problems by Finite Dominating Sets“, Journal of Global Optimizaton 18:195-210
(2000).
42. with C. Icking, R. Klein, L. Ma and A. Weißler, „On Bisectors for Different Distance
Functions“, Discrete Applied Mathematics,109:139-161, (2001).
43. with M.M. Wiecek, „Multiple Objective Programming with Piecewise Linear
Functions”, Journal of Multi-Criteria Decision Analysis, 8:322-332 (2000).
44. with D. Tenfelde, „Planning and Organisation in the Hospital“,in Operations Research
Proceedings 1999, Pages 548-553, Springer (2000).
45. with J. Kalcsics, T. Melo and V. Schmid-Lutz, „Facility Location Decisions in Supply
Chain Management“, in Operations Research Proceedings 1999, Pages 467-472,
Springer (2000).
46. with A. Schöbel and T. Sonneborn, „Hub Location Problems in Urban Traffic
Networks“, Mathematical Methods and Optimization in Transportation Systems,
Pages 95-108, Kluwer (2001).
47. with Jörg Fliege; „An Interior Point Method for Multifacility Location Problems with
Forbidden Regions”., Studies in Locational Analysis,14:23-45, (2000).
48. with A.M. Rodriguez-Chia and J. Puerto, „A flexible approach to location problems”,
Mathematical Methods of Operations Research, 51:69-89, (2000)
49. with J. Puerto, „A unified approach to network location problems”, Networks, 34:283290 (1999).
50. with A. Schöbel, „A geometric approach to global optimization”, Journal of Global
Optimization,15:109-126 (1999).
51. with C. Icking, R. Klein, L. Ma and A. Weißler, „On bisectors for different distance
functions”, Fifteenth Annual ACM Symposium on Computational Geometry, (1999).
52. with M. Ehrgott and H.W. Hamacher, „Geometric methods to solve max-ordering
location problems”, Discrete Applied Mathematics, 93:3-20, (1999).
53. with H.W. Hamacher and Martine Labbé, „Multicriteria Network Location Problems
with Sum Objectives”, Networks, 33:79-92, (1999).
54. with H.W. Hamacher, „Classification of Location Models”, Location Science, 6:229242, (1998).
55. with H.W. Hamacher, „Multi-Facility and Restricted Location Problems, MFR“, in
Encylopedia of Optimization, Kluwer, (2001).
56. with E. Carrizosa, „Locating a Robust Facility“, in Operations Research Proceedings
1998, Pages 532-540, Springer (1998).
57. with H.W. Hamacher and M.C. Müller, „Modelling ROTASTORE – A Highly Parallel,
Short Term Storage System“, in Operations Research Proceedings 1998, Pages 513522, Springer (1998).
58. Some Personal Views on the Current State and the Future of Locational Analysis,
European Journal of Operational Research, 104(2):269-357, (1998).
59. Restricted Center Problems ander Polyhedral Gauges, European Journal of
Operational Research, 104:343-357, (1998).
60. with H.W. Hamacher, K. Klamroth, M.C. Müller and A. Schöbel, „LOLA: Library of
location algorithms - a toolkit for solving location problems”.
http://www.mathematik.uni-kl.de/?lola/ . Software der Universität Kaiserslautern,
Release 1.2, 1997.
61. with Eva-Maria Dudenhöffer, „Weber's Problem with attraction and repulsion ander
Polyhedral Gauges”, Journal of Global Optimization, 11:409-432 (1997).
62. Bicriteria and Restricted 2-Facility Weber Problems, Mathematical Methods of
Operations Research, 45(2):167-197, (1997).
63. with M. Ehrgott, H.W. Hamacher, K. Klamroth, A. Schöbel and M.M. Wiecek, „A Note
on the Equivalence of Balance Points and Pareto Solutions in Multiple Objective
Programming”, Journal of Optimization Theory and Applications, 92(1):209-212,
(1997).
64. with M. Ehrgott, „Reducing the Number of Criteria in Quasi-convex Multicritera
Optimization”, in Operations Research Proceedings 1996, Pages 319-324, Springer
(1996).
65. with M. Wiecek, „A Flexible Approach to Piecewise Linear Multiple Objective
Programming”, in Operations Research Proceedings 1996, Pages 14-19, Springer
(1996).
66. with Horst W. Hamacher, „Multicriteria Planar Location Problems”, European Journal
of Operational Research, 94:66-86, (1996).
67. A Reduction Result for Convex Vector Optimization Problems, in Operations
Research Proceedings 1995, Springer, 499-504 (1995).
68. Muliticriterial and Restricted Location Problems with Polyhedral Gauges, Operations
Research Proceedings 1994, Springer, 109-114, (1995)
69. Codes of Geometrical Algorithms for the (Weighted) Minimum Circle Problem,
European Journal of Operations Research (ORSEP), 80:236-237, (1995).
70. with Horst W. Hamacher, „Restricted Planar Location Problems and Applications”,
Naval Research Logistics, 42:967-992, (1995).
71. Bicriterial and Restrictive Planar 2-Median Problems, Operations Research ‘93,
Physica-Verlag (bei Springer), 366-369, (1994).
72. with Horst W. Hamacher, „Combinatorial Algorithms for some 1-Facility Median
Problems in the Plane”, European Journal of Operational Research, 79:340-351,
(1994).
73. with Horst W. Hamacher, „Median location problems with several objectives”, Studies
in Locational Analysis, 4:149-153, (1993).
74. with Horst W. Hamacher, „RLP, A Program Package for Solving Restricted 1-Facility
Location Problems in a User Friendly Environment”, European Journal of Operations
Research (ORSEP), 62:116-117, (1992).
3. Working Papers (nearly all subwithted to journals)
1. with S. Velten and G. Weimerskirch, „Strategic Supply Chain Decisions in a Takeover
Scenario”, submitted.
2. with J. Kalciscs, J. Puerto and A. Rodriguez-Chia, „Flexible Discrete Location
Problems with Capacity Constraints”, submitted.
3. with A. Marin and S. Velten, „A Reformulated and Extended Covering Model for
Flexible Discrete Location Problems“, submitted.
4. with O. Berman, J. Kalcsics and D. Krass, „The ordered gradual covering location
problem on a network“, Berichte des Fraunhofer ITWM, Nr. 138 (2008),
www.itwm.fhg.de/zentral/download/berichte , submitted.
5. with S. Gelareh, „New approaches to hub location problems in public transport
planning“, Berichte des Fraunhofer ITWM, Nr. 133 (2008),
www.itwm.fhg.de/zentral/download/berichte
6. with J. Kallrath, „A Polynomial Case of the Batch Presorting Problem”, Berichte des
Fraunhofer ITWM, Nr. 49 (2003), www.itwm.fhg.de/zentral/download/berichte .
7. with J.Kallrath and M.C.Müller, „Batch Presorting Problems:Models and
ComplexityResults”,Berichte des Fraunhofer ITWM, Nr. 40 (2002),
www.itwm.fhg.de/zentral/download/berichte .
8. with A. Rodríguez-Chía, J. Puerto, F.R. Fernández, „Ordered Weber Problems ander
Polyhedral Gauges”, Technical Report Nr. 5/96, Facultad de Matematicas de la
Universidad de Sevilla, (1996).
9. „Bicriterial and Restricted Planar 2-Median Problems“, Technical Report 242,
Fachbereich Mathematik, Universität Kaiserslautern, (1993).
4. Interdisciplinary Articles
1. with T. Melo and U.-A. Schmidt, „Health Care Management“, OR News, Nr. 33, S. 7475 (2008).
2. with Flessa, S., K.-H. Küfer and T. Melo, „OR im Gesundheitswesen“, OR News, Nr.
27, S. 61 (2006).
3. with N. Cwikla, „Krankenhauslogistik – Vom Krankenhausinformations- zum
Planungsunterstützungssystem“, Magazin Forschung 1/2005, Universität des
Saarlandes, S. 8-11.
4. with J. Kalcsics, T. Melo and H. Gündra, „Wenn das Eis schmilzt ... Location Based
Business Intelligence in der Standortplanung und Vertriebsoptimierung“, GeoBIT
5/2001, S. 25-27 (2001).
5. with C.Kowald, „Das ITWM in Kaiserslautern – OR goes Fraunhofer“, OR News Nr.
11, S. 21 (2001).
6. with T. Eley, H. W. Hamacher, D. Tenfelde-Podehl, „OR im Krankenhauswesen“, OR
News Nr. 10, S. 9-13 (2000).