Curriculum Vitae

 

 

Professor  Dr. Stefan Nickel

 

Saarland University

Faculty of Law and Economics/Department of Business Administration

Chair of Operations Research and Logistics

and

Fraunhofer ITWM (Fraunhofer Institute for Industrial Mathematics), Kaiserslautern

 

 

 

 

Personal Detail

 

date of birth:           July 17, 1966

place of birth:         Frankfurt/Main

nationality:              german

marital status:        married, two children

address:                 Saarland University

                               Faculty of Law and Economics

                               P.O. Box 15 11 50 (Building A 53)

                               D-66041 Saarbrücken

Telefon:                  ++49 (0) 681-302 64738

e-mail:                    s.nickel@orl.uni-saarland.de

Fax:                        ++49 (0) 681-302 64737

 

 

Education

 

Diploma	Department of Mathematics, University of Kaiserslautern (Germany) 1992
Ph.D.	Department of Mathematics, University of Kaiserslautern (Germany) 1995
Habilitation	Department of Mathematics, University of Kaiserslautern (Germany) 1999

 

 

 

 

 

Present Position

 

Since 10/2004:  Scientific Advisory Board / Management Board, Fraunhofer ITWM (Fraunhofer Institute for Industrial Mathematics)

Since 2003: Full Professor (Chair) for Operations Research and Logistics, Faculty of Business Administration, University of Saarbrücken, Germany.

 

Academic Experience

 

1992-1995: Researcher, Department of Mathematics, University of Kaiserslautern (Germany)

1995-1999: Assistant Professor, Department of Mathematics, University of Kaiserslautern

(Germany)

1999-2003: Associate Professor, Department of Mathematics, University of Kaiserslautern

(Germany)

 

 

Other Experience

 

1999-2004:  Head of the Optimization Department, Fraunhofer ITWM

 

Many projects with industrial partners: Lufthansa, Miele, SAP and others

 

Referee for  “Computers & Operations Research”, "European Journal of Operational Research", „Mathematical Methods of Operations Research“, „Mathematical Programming“, "Operations Research Letters", "Multi-Criteria Decision Analysis", "Transportation Science", “Networks”, “INFOR”, “OR Spectrum”, „Zentralblatt für Mathematik“, „Mathematical Reviews“ and "Operations Research".

 

Member of the Editorial Board for „Computers & Operations Research“

 

Associate Editor for “Operations Research Letters”

 

 

Visiting Professor:

 

9-10 2000:         Universidad National de Trujillo, Peru

 

 

 

 

Thesis Advisor for (last five years)

 

Ph.D.

 

·         Ansgar Weißler (SAP, graduated October 1999)

·         Patricia Dominguez (SAP, graduated April 2003)

·         Julia Kallrath (graduated, May 2004)

 

 

Diploma Theses:

 

Some 40 in the last 5 years

 

Member of several PhD committees in Spain.

 

 

Current Ph. D. Advisor for:

 

·         Nadine Cwikla

·         Jörg Kalcsics

·         Anna Schmidt

·         Jörg Steeg

·         Rafael Velasquez

·         Sebastian Velten

·         Gilles Weimerskirch

 

 

 

Memberships

 

INFORMS, European Working Group on Locational Decisions (EWGLA),

College on Locational Analysis (COLA), Gesellschaft für Operations Research e.V. (GOR), Mathematical Programming Society (MPS)

 

 

Awards

 

Award of the "Deutsche Mathematiker Vereinigung" (DMV), Studentenkonferenz‘ (1992) ,

Award of the "Kreissparkassenstiftung" for diploma thesis „Restriktive Standortprobleme“         (1993)

 

Research Grants

 

• DFG Forschungsschwerpunkt: "Efficient Algorithms for Discrete Problems and their Applications" (with H. W. Hamacher, and K. Klamroth).

 

• ISSI-Project: ”Analysis and Optimization of Logistics Systems on an Organisatorial Level” (with H. W. Hamacher)

 

• ISSI-Project: ”Delay Management in Multi-Modal Traffic Systems”

(with A. Schöbel)

 

• BMBF-Project: KogiPlan – Cooperation of GIS and Decision Support for Location Planning (with U. Jasnoch and H. Voss)

 

• BMBF-Project: SILVER: Simulations Based Systems for the Integration of Logistical and Technical Decision Processes (with W. Appelt, G. Deerberg and S. Wenzel)

 

• BMBF-Project: SEV: Simulation Based Evaluation and Improvement of Software Development Processes (with  T. Berlage and J. Münch)

 

 

 

• ISSI-Project: ”Optimization of Patient Transports in Hospitals ”

 

• Alfa-Project (EU-Latin America): „SistIng – Multiple Criteria Decision Making in Engineering and Economics)

 

 

Research Projects with Industry

 

• Effective Order Picking using Mathematical Optimization
• Simulation and Optimization Methods Supporting the Planning Process of a Large Warehouse
• Holiday Planning for Airlines (with Lufthansa)
• Analysis and Optimization of Locational Decisions in Supply Chain Design (with SAP AG, Walldorf)
• Multi-Level Production Planning with highly dynamic BOMs
• New Approaches to Sales Territory Planning (with geomer, an ESRI partner)
• Analysis and Planning of Stops for Trains (with Deutsche Bahn)

 

 

  

 

Publications

 

1. Books

 

Emergency, Industrial and Public Transportation Planning Using Linear and Integer Programming (with  M. Ehrgott, H. W. Hamacher and M. C. Müller), Universität Kaiserslautern, 1994.

 

          Discretization of Planar Location Problems, Dissertation, Universität Kaiserslautern, 1995, Shaker Verlag, (1995).

 

          "Systems Thinking and its Applications", H.W. Hamacher and S. Nickel (ed.), in "Modellierung im Interdisziplinären Studienprogramm", Shaker Verlag, (1997).

 

          "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).

 

          „Convex Analysis“, Vorlesungsskript, Department of Mathematics, Universität

Kaiserslautern (1998).

 

          „Discrete and Network Location Theory“, Vorlesungsskript, Department of Mathematics, Universität Kaiserslautern (1999).

 

          „Location Theory: A Unified Approach“, S. Nickel and J. Puerto, Springer (2005).

 

 

 

  

2. Articles in Books and Journals

 

(1)          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).

 

(2)          with Horst W. Hamacher, "Median location problems with several objectives", Studies in Locational Analysis, 4:149-153, (1993).

 

(3)          with Horst W. Hamacher, "Combinatorial Algorithms for some 1-Facility Median Problems in the Plane", European Journal of Operational Research, 79:340-351, (1994).

 

(4)          " Bicriterial and Restrictive Planar 2-Median Problems", Operations Research ‘93, Physica-Verlag (Springer-Verlag), 366-369, (1994).

 

(5)          with Horst W. Hamacher, "Restricted Planar Location Problems and Applications.", Naval Research Logistics, 42:967-992, (1995).

 

(6)          "Codes of Geometrical Algorithms for the (Weighted) Minimum Circle Problem", European Journal of Operations Research (ORSEP), 80:236-237, (1995).

 

(7)          "Muliticriterial and Restricted Location Problems with Polyhedral Gauges", Operations Research Proceedings 1994, Springer, 109-114, (1995)

 

(8)          "A Reduction Result for Convex Vector Optimization Problems", in Operations Research Proceedings 1995, Springer Verlag, Berlin, (1995).

 

(9)          with Horst W. Hamacher, "Multicriteria Planar Location Problems", European Journal of Operational Research, 94:66-86, (1996).

 

(10)      with M. Wiecek, "A Flexible Approach to Piecewise Linear Multiple Objective Programming", in Operations Research Proceedings 1996, pp. 14-19, Springer Verlag, Berlin, (1996).

 

(11)      with M. Ehrgott, "Reducing the Number of Criteria in Quasi-convex Multicritera Optimization", in Operations Research Proceedings 1996, pp. 319-324, Springer Verlag, Berlin, (1996).

 

(12)      with M. Ehrgott, H.W. Hamacher, K. Klamroth, A. Schöbel, 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).

 

(13)      "Bicriteria and Restricted 2-Facility Weber Problems", Mathematical Methods of Operations Research, 45(2):167-197, (1997).

 

(14)      with Eva-Maria Dudenhöffer, "Weber's Problem with attraction and repulsion under Polyhedral Gauges", Journal of Global Optimization, 11:409-432 (1997).

 

(15)      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.

 

(16)      "Restricted Center Problems under Polyhedral Gauges", European Journal of Operational Research, 104:343-357, (1998).

 

(17)      "Some Personal Views on the Current State and the Future of Locational Analysis", European Journal of Operational Research, 104(2):269-357, (1998).

 

(18)      with H.W. Hamacher and M.C. Müller, „Modelling ROTASTORE –  A Highly Parallel, Short Term Storage System“, in Operations Research Proceedings 1998, pp. 513-522, Springer Verlag, Berlin, (1998).

 

(19)      with E. Carrizosa, „Locating a Robust Facility“, in Operations Research Proceedings 1998, pp. 532-540, Springer Verlag, Berlin, (1998).

 

(20)      with H.W. Hamacher, „Multi-Facility and Restricted Location Problems, MFR“, in Encylopedia of Optimization, Kluwer, (2001).

 

(21)      with H.W. Hamacher, "Classification of Location Models“, Location Science 6:229-242, (1998).

 

(22)      with H.W. Hamacher ad Martine Labbé, "Multicriteria Network Location Problems with Sum Objectives", Networks 33:79-92, (1999).

 

(23)      with M. Ehrgott ad H.W. Hamacher, "Geometric methods to solve max-ordering location problems", Discrete Applied Mathematics 93:3-20, (1999).

 

(24)      with C. Icking, R. Klein, L. Ma and A. Weißler, „On bisectors for different distance functions“, Fifteenth Annual ACM Symposium on Computational Geometry, (1999).

 

(25)      with A. Schöbel, "A geometric approach to global optimization“, Journal of Global Optimization 15:109-126 (1999).

 

(26)      with J. Puerto, "A unified approach to network location problems",

Networks 34:283-290 (1999).

 

(27)      with A.M. Rodriguez-Chia and J. Puerto, "A flexible approach to location problems", Mathematical Methods of Operations Research 51:69-89, (2000)

 

(28)    with Jörg Fliege; "An Interior Point Method for Multifacility Location Problems with Forbidden Regions"., Studies in Locational Analysis 14:23-45, (2000).

 

(29)    with A. Schöbel and T. Sonneborn, „Hub Location Problems in Urban Traffic Networks“, Mathematical Methods and Optimization in Transportation Systems,   pp. 95-108, Kluwer (2001).

 

(30)    mit J. Kalcsics, T. Melo and V. Schmid-Lutz, „Facility Location Decisions in Supply Chain Management“, in Operations Research Proceedings 1999, pp. 467-472, Springer Verlag Berlin, (2000).

 

(31)    with D. Tenfelde, „Planning and Organisation in the Hospital“,in Operations Research Proceedings 1999, pp. 548-553, Springer Verlag Berlin, (2000).

 

(32)    with M.M. Wiecek, "Multiple Objective Programming with Piecewise Linear Functions",   Journal of Multi-Criteria Decsion Analysis 8:322-332 (2000).

 

(33)    with C. Icking, R. Klein, L. Ma and A. Weißler, „On Bisectors for Different Distance Functions“, Discrete Applied Mathematics 109:139-161, (2001).

 

(34)    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).

 

(35)    with B. Käfer, "Error bounds for the approximative solution of restricted planar location problems", European Journal of Operational Research 135: 67-85 (2001).

 

(36)    „Discrete Ordered Weber Problems“, in Operations Research Proceedings 2000, pp. 71-76, Springer Verlag Berlin, (2001).

 

(37)    with T. Bender, H. Hennes, J. Kalcsics and T. Melo, „Location Software and Interface with GIS and Supply Chain Management,  Facility Location: Applications and Theory, Springer, (2002).  

 

(38)    with F.R. Fernández, J. Puerto and A.M. Rodriguéz-Chia, ”Robustness in the Pareto-solutions for the Multicriteria Weber Location Problem”, Journal of Multicriteria Decsion Analysis 10: 191-203 (2001).

 

(39)    with H.W. Hamacher and D. Tenfelde-Podehl, „Facilities Layout for Social Institutions“, Operations Research Proceedings 2001, pp. 229-236, Springer Verlag Berlin, (2002).

 

(40)    with J. Kalcsics, M.T. Melo and H. Gündra, „ Planning Sales Territories - A Facility Location Approach “, Operations Research Proceedings 2001, pp. 141-148, Springer Verlag Berlin, (2002).

 

(41)    with Matthias Ehrgott, "On the Number of Criteria Needed to Decide Pareto Optimality",  Mathematical Methods of Operations Research 55: 329-345, (2002).

 

(42)    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).

 

(43)    with J. Kalcsics and J. Puerto, „Multi-facility ordered median problems on networks -A further analysis “, Networks 41:1-12 (2003).

 

(44)    with H. Neu and T. Hanne and 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, pp. 78-93, Springer (2002).

 

(45)    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).

 

(46)    with J. Kalcsics and M.T. Melo  „Mathematical Programming Models for Strategic Supply Chain Planning and Design“, Operations Research Proceedings 2002, pp. 108-113, Springer Verlag Berlin, (2003).

 

(47)    “Simulation and Online-Optimierung in der Logistik”, in Logistik – Just in Time?!, pp. 27-41, Shaker (2003).

 

(48)    with E. Carrizosa, ”Robust Facility Location”, Mathematical Methods of Operations Research, 58:331-349 (2003).

 

(49)    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).

 

(50)    with D. Hietel and A. Lavrov, „Interaction Control in a Combined Logistics and Chemical Process Simulation”, Proceedings of the 15^th European Simulation Symposium, S. 562-568, Delft, Niederlande (2003).

 

(51)    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 and Operations Research 33: 181-208  (2006).

 

(52)    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).

 

(53)    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).

 

(54)    with J. Puerto, A. Rodriguez-Chia and A. Weissler, "Multicriteria Ordered Median Problems”, Journal of Optimization Theory and Applications 126:657-683 (2005).

 

(55)    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).

 

(56)    with J. Puerto and A. Rodriguez-Chia, “MCDM Location Problems” in J. Figueira, S. Greco and M. Ehrgott (editors): Multiple Criteria Decision Analysis - State of the Art Annotated Surveys, Springer (2005).

 

(57)    with S. Velten, 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 and Logistik, Physica-Verlag (2005).

 

(58)    with N. Boland, P. Domínguez-Marín and J. Puerto, „Exact Procedures for Solving the Discrete Ordered Median Problem”, Berichte des ITWM 47 (2003),

Computers & Operations Research, to appear (2005).

 

 

 

3. Working Paper

 

(59)    "Bicriterial and Restricted Planar 2-Median Problems.", Technical Report 242, Fachbereich Mathematik, Universität Kaiserslautern, (1993).

 

(60)    with A. Rodríguez-Chía, J. Puerto, F.R. Fernández, "Ordered Weber Problems under Polyhedral Gauges", Technical Report Nr. 5/96, Facultad de Matematicas de la Universidad de Sevilla, (1996).

 

 

(61)    with J. Puerto, A. Rodriguez-Chia and A. Weissler, "General continuous multicriteria location problems"., Report in Wirtschaftsmathematik Nr. 28, Fachbereich Mathematik, Universität Kaiserslautern, (1997).

 

(62)    with J.Kallrath and M.C.Müller, „Batch Presorting Problems:Models and Complexity Results”, Berichte des ITWM, 40 (2002).

 

(63)    with J. Kallrath, „A Polynomial Case of the Batch Presorting Problem”, Berichte des ITWM 49 (2003).

 

(64)    with Y. Hinijosa, J. Kalcsics, J. Puerto and S. Velten, „Dynamic Supply Chain Design with Inventory“, Technical Report, Universität des Saarlandes (2004).

 

 

4. Other articles

 

 

(65)    with T. Eley, H. W. Hamacher, D. Tenfelde-Podehl, „OR im Krankenhauswesen“, OR News Nr. 10, 9-13 (2000).

 

(66)    with C.Kowald, „Das ITWM in Kaiserslautern – OR goes Fraunhofer“, OR News Nr. 11, 21 (2001).

 

(67)    With J. Kalcsics, T. Melo and H. Gündra, „Wenn das Eis schmilzt ... Location Based Business Intelligence

 

(68)     in der Standortplanung und Vertriebsoptimierung“, GeoBIT 5/2001, 25-27 2001).