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Publikationsliste


2018
Location Planning of Charging Stations for Electric City Buses Considering Battery Ageing Effects.
Rohrbeck, B.; Berthold, K.; Hettich, F.
2018. Operations Research Proceedings - Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Berlin, Germany, September 6-8, 2017. Ed.: N. Kliewer, 701 – 707, Springer, Cham. doi:10.1007/978-3-319-89920-6_93
Reduced and Minimally Convex Pairs of Sets [in press].
Grzybowski, J.; Pallaschke, D.; Przybycień, H.; Urbański, R.
2018. Journal of convex analysis, 25 (4)
Improving hospital layout planning through clinical pathway mining.
Arnolds, I. V.; Gartner, D.
2018. Annals of operations research, 263 (1-2), 453–477. doi:10.1007/s10479-017-2485-4
Modeling congestion and service time in hub location problems.
Alumur, S. A.; Nickel, S.; Rohrbeck, B.; Saldanha-da-Gama, F.
2018. Applied mathematical modelling, 55, 13-32. doi:10.1016/j.apm.2017.10.033
2016
Towards a Customer-Oriented Queuing in Service Incident Management.
Hottum, P.; Reuter-Oppermann, M.
2016. Operations Research Proceedings 2014 - Selected Papers of the Annual International Conference of the German Operations Research Society (OR), Aachen, Germany, September 2-5, 2014. Ed.: M. Lübbecke, 233–239, Springer International Publishing, Cham. doi:10.1007/978-3-319-28697-6_33
Ambulance location under stochastic demand: A sampling approach.
Nickel, S.; Reuter-Oppermann, M.; Saldanha-da-Gama, F.
2016. Operations research for health care, 8, 24–32. doi:10.1016/j.orhc.2015.06.006
Workload patterns of fast charging stations along the German Autobahn.
Jochem, P.; Landes, P.; Reuter-Oppermann, M.; Fichtner, W.
2016. Proceedings of EVS29 Symposium. Montréal, Québec, CDN, June 19-22, 2016, EVS, Washington, D.C.
Scheduling policies for multi-period services.
Nunez-del-Toro, C.; Fernandez, E.; Kalcsics, J.; Nickel, S.
2016. European journal of operational research, 251 (3), 751-770. doi:10.1016/j.ejor.2015.12.002
Workload patterns of fast charging stations along the German Autobahn.
Jochem, P.; Landes, P.; Reuter-Oppermann, M.; Fichtner, W.
2016. World Electric Vehicle Journal, 8 (4), 926-923
An easy path to convex analysis and applications.
Pallaschke, D.
2016. Optimization, 65 (2), 567-568. doi:10.1080/02331934.2015.1032286
The multi-period service territory design problem – An introduction, a model and a heuristic approach.
Bender, M.; Meyer, A.; Kalcsics, J.; Nickel, S.
2016. Transportation research / E, 96, 135–157. doi:10.1016/j.tre.2016.09.007
Reduced Pairs of Compact Convex Sets and Ordered Median Functions.
Grzybowski, J.; Pallaschke, D.; Urbański, R.
2016. Journal of optimization theory and applications, 171 (2), 354–364. doi:10.1007/s10957-015-0860-3
Evaluating the quality of online optimization algorithms by discrete event simulation.
Dunke, F.; Nickel, S.
2016. Central European journal of operations research, 25 (4), 831-858. doi:10.1007/s10100-016-0455-6
A Modeling Framework for Stochastic Multi-Period Capacitated Multiple Allocation Hub Location.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2016. ILS : 6th International Conference on Information Systems, Logistics and Supply Chain, June 1-4, 2016
The Risk-Aware Multi-Period Capacitated Plant Location Problem (CPLP-Risk).
Heckmann, I.; Nickel, S.; Saldanha-da-Gama, F.
2016. 6th International Conference on Information Systems, Logistics and Supply Chain (ILS), Bordeaux, France, June 1–4, 2016, 1-6
Time traps in supply chains: Is optimal still good enough?.
Dunke, F.; Heckmann, I.; Nickel, S.; Saldanha-da-Gama, F.
2016. European journal of operational research. doi:10.1016/j.ejor.2016.07.016
Banach Limits of Locally Bounded Real Functions on Hausdorff Spaces.
Pallaschke, D.; Pumplün, D.
2016. Applied categorical structures, 1-12. doi:10.1007/s10485-016-9460-0
Moving towards an equitable long-term care network : A multi-objective and multi-period planning approach.
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
2016. Omega, 58, 69-85. doi:10.1016/j.omega.2015.04.005
2015
Multi-period hub network design problems with modular capacities.
Alumur, S. A.; Nickel, S.; Saldanha-da-Gama, F.; Seçerdin, Y.
2015. Annals of operations research, 246 (1-2), 289–312. doi:10.1007/s10479-015-1805-9
Multi-period hub location problems in transportation.
Gelareh, S.; Monemi, R. N.; Nickel, S.
2015. Transportation research / E, 75, 67-94. doi:10.1016/j.tre.2014.12.016
Several 2-facility location problems on networks with equity objectives.
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
2015. Networks, 65 (1), 1-9. doi:10.1002/net.21568
Introducing health gains in location-allocation models: A stochastic model for planning the delivery of long-term care.
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
2015. Journal of physics / Conference Series, 616 (1), 1-12. doi:10.1088/1742-6596/616/1/012007
An integrated approach for planning a long-term care network with uncertainty, strategic policy and equity considerations.
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
2015. European Journal of Operational Research, 247 (1), 321–334. doi:10.1016/j.ejor.2015.05.074
Location Science.
Nickel, S. (Hrsg.).
2015. Springer, Berlin
Fundamentals of Service Systems.
Cardoso, J.; Fromm, H.; Nickel, S.; Satzger, G.; Studer, R.; Weinhardt, C. (Hrsg.).
2015. Springer, Berlin. doi:10.1007/978-3-319-23195-2
Districting Problems.
Kalcsics, J.
2015. Location Science. Ed.: S. Nickel, 595-622, Springer, Berlin
Structural Properties of Voronoi Diagrams in Facility Location Problems with Continuous Demand.
Averbakh, I.; Berman, O.; Kalcsics, J.; Krass, D.
2015. Operations Research, 63 (2), 394-411. doi:10.1287/opre.2015.1354
On topological types of ordered median functions.
Grzybowski, J.; Nickel, S.; Pallaschke, D.; Urbański, R.; Kalcsics, J.
2015. Optimization, 64 (1), 149-160. doi:10.1080/02331934.2014.883512
Joint venture formation and partner selection in upstream crude oil section: Goal programming application.
Sahebi, H.; Nickel, S.; Ashayeri, J.
2015. International Journal of Production Research, 53 (10), 3047-3061. doi:10.1080/00207543.2014.970708
On max-min representations of ordered median functions.
Grzybowski, J.; Kalcsics, J.; Nickel, S.; Pallaschke, D.; Urbanski, R.
2015. Optimization, 64 (2), 339-348. doi:10.1080/02331934.2012.750322
2014
Environmentally conscious design of upstream crude oil supply chain.
Sahebi, H.; Nickel, S.; Ashayeri, J.
2014. Industrial and Engineering Chemistry Research, 53 (28), 11501-11511. doi:10.1021/ie403492c
Cooperative covering problems on networks.
Averbakh, I.; Berman, O.; Krass, D.; Kalcsics, J.; Nickel, S.
2014. Networks, 63 (4), 334-349. doi:10.1002/net.21549
The multicriteria p-facility median location problem on networks.
Kalcsics, J.; Nickel, S.; Pozo, M. A.; Puerto, J.; Rodríguez-Chía, A. M.
2014. European journal of operational research, 235 (3), 484-493. doi:10.1016/j.ejor.2014.01.003
Modellierung und Planung von Dienstleistungen im Rettungswesen mit Verfahren des Operations Research.
Reuter, M.; Rashid, A.; Nickel, S.
2014. Dienstleistungsmodellierung 2012 - Product-Service Systems und Produktivität. Hrsg.: O. Thomas, 291-304, Springer, Wiesbaden. doi:10.1007/978-3-658-00863-5_14
Multi-product Capacitated Single-Allocation Hub Location Problems : Formulations and Inequalities.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2014. Networks and spatial economics, 14 (1), 1-25. doi:10.1007/s11067-013-9197-3
Districting for arc routing.
Butsch, A.; Kalcsics, J.; Laporte, G.
2014. INFORMS Journal on Computing, 26 (4), 809-824. doi:10.1287/ijoc.2014.0600
Towards a Customer-oriented Queuing in Service Incident Management.
Hottum, P.; Reuter-Oppermann, M.
2014. International Conference of the German Operations Research Society (OR), Aachen, Germany, September 2-5, 2014
Online Optimization with Lookahead. Dissertation.
Dunke, F.
2014. Karlsruhe
2013
Anwendung von OR- Methoden für Planungsaufgaben in einer Strahlenklinik.
Arnolds, I. V.; Nickel, S.; Reuter, M.
2013. Management science : Modelle und Methoden zur quantitativen Entscheidungsunterstützung; Festschrift zum 60. Geburtstag von Brigitte Werners. Hrsg.: K. Armborst, 69-88, Kovač, Hamburg
Models for ambulance planning on the strategic and the tactical level.
van Essen, J. T.; Hurink, J. L.; Nickel, S.; Reuter, M.
2013. TU Eindhoven, Research School for Operations Management and Logistics (BETA), Eindhoven
The maximum dispersion problem.
Fernandez, E.; Kalcsics, J.; Nickel, S.
2013. Omega, 41 (4), 721-730. doi:10.1016/j.omega.2012.09.005
Multi-period layout planning for hospital wards.
Arnolds, I. V.; Nickel, S.
2013. Socio-Economic Planning Sciences, 47 (3), 220-237. doi:10.1016/j.seps.2013.02.001
Strategic and Tactical Crude Oil Supply Chain: Mathematical Programming Models. Dissertation.
Sahebishahemabadi, H.
2013. Karlsruhe
2012
Mid-term and short-term planning support for home health care services.
Nickel, S.; Schröder, M.; Steeg, J.
2012. European Journal of Operational Research, 219 (3), 574-587. doi:10.1016/j.ejor.2011.10.042
Scheduling steel plates on a roller furnace.
Ebermann, E.; Nickel, S.
2012. Operations Research Proceedings 2011 - Selected Papers of the International Conference on Operations Research (OR'11), Zürich, Schweiz, August 30 - September 2, 2011. Ed.: D. Klatte, 389-394, Springer, Berlin. doi:10.1007/978-3-642-29210-1_62
A tabu search heuristic for redesigning a multi-echelon supply chain network over a planning horizon.
Melo, M. T.; Nickel, S.; Saldanha-Da-Gama, F.
2012. International Journal of Production Economics, 136 (1), 218-230. doi:10.1016/j.ijpe.2011.11.022
Stochastic analysis of ordered median problems.
Drezner, Z.; Nickel, S.; Ziegler, H.-P.
2012. Journal of the Operational Research Society, 63 (11), 1578-1588. doi:10.1057/jors.2012.2
Modeling the demand for long-term care services under uncertain information.
Cardoso, T.; Oliveira, M. D.; Barbosa-Povoa, A.; Nickel, S.
2012. Health Care Management Science, 15 (4), 385-412. doi:10.1007/s10729-012-9204-0
Multi-period reverse logistics network design.
Alumur, S. A.; Nickel, S.; Saldanha-Da-Gama, F.; Verter, V.
2012. European Journal of Operational Research, 220 (1), 67-78. doi:10.1016/j.ejor.2011.12.045
Hub location under uncertainty.
Alumur, S. A.; Nickel, S.; Saldanha-da-Gama, F.
2012. Transportation Research Part B: Methodological, 46 (4), 529-543. doi:10.1016/j.trb.2011.11.006
Multiperiod location-routing with decoupled time scales.
Albareda-Sambola, M.; Fernandez, E.; Nickel, S.
2012. European Journal of Operational Research, 217 (2), 248-258. doi:10.1016/j.ejor.2011.09.022
Cephoids: Duality and Reference Vectors.
Pallaschke, D.; RosenmŸller, J.
2012. Pacific Journal of Optimization, 8, 157-184
2011
Operations Research.
Nickel, S.; Stein, O.; Waldmann, K.-H.
2011. Springer, Berlin
Impact of IT-supported clinical pathways on medical staff satisfaction : A prospective longitudinal cohort study.
Schuld, J.; Schäfer, T.; Nickel, S.; Jacob, P.; Schilling, M. K.; Richter, S.
2011. International journal of medical informatics, 80 (3), 151-156. doi:10.1016/j.ijmedinf.2010.10.012
Hub location problems in transportation networks.
Gelareh, S.; Nickel, S.
2011. Transportation research / E, 47 (6), 1092-1111. doi:10.1016/j.tre.2011.04.009
Hub and spoke network design with single-assignment, capacity decisions and balancing requirements.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2011. Applied mathematical modelling, 35 (10), 4841-4851. doi:10.1016/j.apm.2011.03.046
Continuous piecewise linear functions on the octants of Rn.
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
2011. Optimization, 60 (1-2), 101-112
Commutative Semigroups with Cancellation Law: A Representation Theorem.
Grzybowski, J.; Pallaschke, D.; Przybycien, H.; Urbanski, R., Ryszard.
2011. Semigroup Forum, 83 (3), 447-456
Ordered Median Functions and Symmetries.
Grzybowski, J.; Nickel, S.; Pallaschke, D.; Urbanski, R.
2011. Optimization, 60 (7-9), 801-811
Data preprocessing in semi-supervised SVM classification.
Astorino, A.; Gaudioso, M.; Gorgone, E.; Pallaschke, D.
2011. Optimization, 60 (1-2), 143-151. doi:10.1080/02331931003692557
2010
An extended covering model for flexible discrete and equity location problems.
Marin, A.; Nickel, S.; Velten, S.
2010. Mathematical Methods of Operations Research, 71 (1), 125-163. doi:10.1007/s00186-009-0288-3
Extensions to the continuous ordered median problem.
Krebs, J.; Nickel, S.
2010. Mathematical Methods of Operations Research, 71 (2), 283-306. doi:10.1007/s00186-009-0296-3
Klinische Behandlungspfade - Integration logistischer Planungsaufgaben.
Kraus, K.; Nickel, S.; Richter, R.; Schilling, M. K.; Schmidt, U. A.; Schuld, J.
2010. Professional process, 2 (1), 12-15
Distribution systems design with role dependent objectives.
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
2010. European journal of operational research, 202 (2), 491-501. doi:10.1016/j.ejor.2009.06.001
The ordered capacitated facility location problem.
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
2010. Top, 18 (1), 203-222. doi:10.1007/s11750-009-0089-0
Liner shipping hub network design in a competitive environment.
Gelareh, S.; Nickel, S.; Pisinger, D.
2010. Transportation research / E, 46 (6), 991-1004. doi:10.1016/j.tre.2010.05.005
A novel maximum dispersion territory design model arising in the implementation of the WEEE-directive.
Fernandez, E.; Kalcsics, J.; Nickel, S.; Rios-Mercado, R. Z.
2010. Journal of the Operational Research Society, 61 (3), 503-514. doi:10.1057/jors.2009.70
Single-Allocation Hub Location Problems with Capacity Decisions and Balancing Requirements.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2010. 12th WSEAS International Conference on Mathematical and Computational Methods in Science and Engineering (MACMESE'10), Faro, Portugal, November 3-5, 2010. Ed.: L. Rogozea, 51-56, WSEAS-Press, Stevens Poins (WI)
Single-assignment hub location problems with multiple capacity levels.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2010. Transportation research / B, 44 (8-9), 1047-1066. doi:10.1016/j.trb.2009.12.016
The capacitated single-allocation hub location problem revisited : A note on a classical formulation.
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
2010. European journal of operational research, 207 (1), 92-96. doi:10.1016/j.ejor.2010.04.015
Dynamic transportation of patients in hospitals.
Beaudry, A.; Laporte, G.; Melo, T.; Nickel, S.
2010. OR Spectrum, 32 (1), 77 - 107. doi:10.1007/s00291-008-0135-6
Separation of Convex Sets by Clarke subdifferential.
Gaudioso, M.; Gorgone, E.; Pallaschke, D.
2010. Optimization, 59 (8), 1199-1210. doi:10.1080/02331930903085367
Performancevergleich zwischen simulationsbasierter Online- und Offline-Optimierung anhand von Scheduling-Problemen.
Nickel, S.; Heib, C.
2010. Integrationsaspekte der Simulation: Technik, Orgnisation und Personal, Karlsruhe, 7. und 8. Oktober 2010 = Integration Aspects of Simulation: Equipment, Organization and Personnell, Karlsruhe, 7th and 8th October 2010. Hrsg.: G. Zülch, 205-214, KIT Scientific Publishing, Karlsruhe. doi:10.1007/978-3-642-14536-0_17
Cephoids: Minkowski sums of de Gua simplexes.
Pallaschke, D.; Rosenmüller, J.
2010. Optimization, 59 (4), 515-540. doi:10.1080/02331930801951280
Morse indexes for piecewise linear functions.
Pallaschke, D.; Urbanski, R.
2010. Nonlinear analysis and optimization. Vol 2: Optimization. Ed.: A. Leizarowitz, 213-223, Am. Math. Soc., Providence (RI)
A Note on the Dual of the Minkowski-Radström-Hörmander Lattice.
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
2010. Pacific Journal of Optimization, 6, 255-262
On the amount of minimal pairs of convex sets.
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
2010. Optimization Methods and Software, 25, 89 - 96. doi:10.1080/10556780903187460
Reduction of finite exhausters.
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
2010. Journal of Global Optimization, 46, 589-601. doi:10.1007/s10898-009-9444-9
2009
Process improvement in Hospitals: A case study in a radiology department.
Nickel, S.; Schmidt, U.-A.
2009. Quality Management in Health Care, 18 (4), 326-338. doi:10.1097/QMH.0b013e3181bee127
Logistics network design.
Nickel, S.; Saldanha-Da-Gama, F.
2009. OR Spectrum, 31 (3), 461-463. doi:10.1007/s00291-009-0165-8
Multifacility and Restricted Location Problems.
Hamacher, H. W.; Nickel, S.
2009. Encyclopedia of Optimization. Ed.: C.A. Floudas, 2409-2413, Springer, New York (NY). doi:10.1007/978-0-387-74759-0_414
The Ordered Gradual Covering Location Problem on a Network.
Berman, O.; Kalcsics, J.; Krass, D.; Nickel, S.
2009. Discrete Applied Mathematics, 157 (18), 3689-3707. doi:10.1016/j.dam.2009.08.003
Solving the ordered one-median problem in the plane.
Drezner, Z.; Nickel, S.
2009. European Journal of Operational Research (EJOR), 195 (1), 46 - 61
A flexible model and efficient solution strategies for discrete location problems.
Marína, A.; Nickel, S.; Puertoc, J.; Velten, S.
2009. Discrete Applied Mathematics, 157 (5), 1128-1145
Facility location and supply chain management - A review.
Nickel, S.; Melo, M. T.; Saldanha-da-Gama, F.
2009. European Journal of Operational Research (EJOR), 196 (2), 401-412
Constructing a DC Decomposition for Ordered Median Problems.
Drezner, Z.; Nickel, S.
2009. Journal of Global Optimization, 45 (2), 187 - 201

Publikationen

2016

  • T. Cardoso, M. D. Oliveira, A. Barbosa-Póvoa, and S. Nickel. Moving towards an equitable long-term care network: A multi-objective and multi-period planning approach. Omega, 58, 69 - 85, 2015.
  • A. Zander and U. Mohring. Dynamic appointment scheduling with patient time preferences and different service time lengths. International Conference on Applied Operational Research, Proceedings, 8, 72 - 77, 2016.
  • I. Correia, S. Nickel, and F. Saldanha-da-Gama. A modeling framework for stochastic multi-period capacitated multiple allocation hub location. ILS 2016 - 6th International Conference on Information Systems, Logistics and Supply Chain, 2016.
  • I. Heckmann, S. Nickel, and F. Saldanha-da-Gama. The risk-aware multi-period capacitated plant location problem (CPLP-Risk). ILS 2016 - 6th International Conference on Information Systems, Logistics and Supply Chain, 2016.
  • F. Dunke and S. Nickel. A general modeling approach to online optimization with lookahead. Omega, 63, 134 - 153, 2016.
  • I. Heckmann and S. Nickel. Supply chain risk analysis - Common flaws, core areas, and main tasks. ILS 2016 - 6th International Conference on Information Systems, Logistics and Supply Chain, 2016.
  • F. Dunke and S. Nickel. Time traps in supply chains: Is optimal still good enough? European Journal of Operational Research, article in press, 2016.
  • S. Nickel, M. Reuter-Oppermann, and F. Saldanha-da-Gama. Ambulance location under stochastic demand: A sampling approach. Operations Research for Health Care, 8, 24 - 32, 2016.
  • J. Wirnitzer, I. Heckmann, A. Meyer, and S. Nickel. Patient-based nurse rostering in home care. Operations Research for Health Care, 8, 91 - 102, 2016.

2015

  • T. Cardoso, M. D. Oliveira, A. Barbosa-Póvoa, and S. Nickel. An integrated approach for planning a long-term care network with uncertainty, strategic policy and equity considerations. European Journal of Operational Research, 247(1), 321 - 334, 2015.
  • T. Cardoso, M. D. Oliveira, A. Barbosa-Póvoa, and S. Nickel. Introducing health gains in location-allocation models: A stochastic model for planning the delivery of long-term care. Journal of Physics: Conference Series, 616(1), 012007, 2015.
  • J. Kalcsics, S. Nickel, J. Puerto, and A.M. Rodríguez-Chía. Several 2-facility location problems on networks with equity objectives. Networks, 65(1), 1 - 9, 2015.
  • J. Grzybowski, J. Kalcsics, S. Nickel, D. Pallaschke, and R. Urbański. On max–min representations of ordered median functions. Optimization, 64(2), 339 - 348, 2015.
  • H. Sahebi, S. Nickel, J. Ashayeri. Joint venture formation and partner selection in upstream crude oil section: Goal programming application. International Journal of Production Research, 53(10), 3047 - 3061, 2015.
  • J. Grzybowski, J. Kalcsics, S. Nickel, D. Pallaschke, and R. Urbański. On topological types of ordered median functions. Optimization, 64(1), 149 - 160, 2015.
  • S.A. Alumur, S. Nickel, F. Saldanha-da-Gama, Y. Seçerdin. Multi-period hub network design problems with modular capacities. Annals of Operations Research, 2015.
  • S. Gelareh, R. Neamatian Monemi, and S.Nickel. Multi-period hub location problems in transportation. Transportation Research Part E: Logistics and Transportation Review, 75, 67 - 94, 2015.
  • I. Heckmann, T. Comes, and S. Nickel. A critical review on supply chain risk - Definition, measure and modeling. Omega, 52, 119 - 132, 2015.
  • C. Messer, A. Zander, I. Arnolds, S. Nickel, and M. Schuster. How many patient transfer rooms are necessary for my OR suite?: Effect of the number of OR transfer rooms on waiting times and patient throughput in the OR – analysis by simulation [Wie viele Patientenschleusen braucht mein OP-Bereich?: Einfluss der Zahl von OP-Schleusen auf Wartezeiten und Patientendurchsatz im OP – Analyse mithilfe einer Simulation]. Anaesthesist, 64(12), 958 - 967, 2015.
  • M. Reuter-Oppermann and A. Zander. Service Optimization. Fundamentals of Service Systems, In: Cardoso, J.; Fromm, H.; Studer, R.; Nickel, S.; Weinhardt, C.; Satzger, G. (eds.), 217 - 260, 2015.

2014

  • A. Butsch, J. Kalcsics, and G. Laporte. Districting for arc routing. Informs Journal on Computing, 26(4), 809 - 824, 2014.
  • H. Sahebi and S. Nickel. Offshore oil network design with transportation alternatives. European Journal of Industrial Engineering, 8(6), 739 - 761, 2014.
  • I. Averbakh, O. Berman, D. Krass, J. Kalcsics, and S. Nickel. Cooperative covering problems on networks. Networks, 63(4), 334 - 349, 2014.
  • I. Correia, S. Nickel, and F. Saldanha-da-Gama. Multi-product Capacitated Single-Allocation Hub Location Problems: Formulations and Inequalities. Networks and Spatial Economics, 14(1), 1 - 25, 2014.
  • M.T. Melo, S. Nickel, and F. Saldanha-da-Gama. An efficient heuristic approach for a multi-period logistics network redesign problem. TOP, 22(1), 80 - 108, 2014.
  • J. Kalcsics, S. Nickel, M.A. Pozo, J. Puerto, and A.M. Rodríguez-Chía. The multicriteria p-facility median location problem on networks. European Journal of Operational Research, 235(3), 484 - 493, 2014.
  • H. Sahebi, S. Nickel, and J. Ashayeri. Environmentally conscious design of upstream crude oil supply chain. Industrial and Engineering Chemistry Research, 53(28), 11501 - 11511, 2014.
  • H. Sahebi, S. Nickel, and J. Ashayeri. Strategic and tactical mathematical programming models within the crude oil supply chain context: A review. Computers and Chemical Engineering, 68, 56 - 77, 2014.

2013

  • I. V. Arnolds and S. Nickel. Multi-period layout planning for hospital wards. Socio-Economic Planning Sciences, 47(3), 220 - 237, 2013.
  • I. Correia, S. Nickel, and F. Saldanha-da Gama. Multi-product capacitated single-allocation hub location problems: Formulations and inequalities. Networks and Spatial Economics, 1-25, 2013.
  • E. Fernández, J. Kalcsics, and S. Nickel. The maximum dispersion problem. Omega, 41(4), 721 - 730, 2013.
  • M. Reuter, A. Rashid, and S. Nickel. Modellierung und Planung von Dienstleistungen im Rettungswesen mit Verfahren des Operations Research. In: O. Thomas and M. Nüttgens (editors), Dienstleistungsmodellierung 2012, 291-304. Springer Fachmedien Wiesbaden, 2013.
  • J. Grzybowski, J. Kalcsics, S. Nickel, D. Pallaschke, and R. Urbanski. On max-min representations of ordered median functions. Optimization, 2013. Article in Press.

2012

  • M. Albareda-Sambola, E. Fernández, and S. Nickel. Multiperiod location-routing with decoupled time scales. European Journal of Operational Research, 217(2), 248 - 258, 2012.
  • S. A. Alumur, S. Nickel, and F. S. da Gama. Hub location under uncertainty. Transportation Research Part B: Methodological, 46(4), 529 - 543, 2012.
  • S. A. Alumur, S. Nickel, F. S. da Gama, and V. Verter. Multi-period reverse logistics network design. European Journal of Operational Research, 220(1), 67 - 78, 2012.
  • T. Cardoso, M. Oliveira, A. Barbosa-Póvoa, and S. Nickel. Modeling the demand for long-term care services under uncertain information. Health Care Management Science, 15(4), 385-412, 2012.
  • Z. Drezner, S. Nickel, and H.-P. Ziegler. Stochastic analysis of ordered median problems. Journal of the Operational Research Society, 63(11), 1578-1588, 2012.
  • M. Melo, S. Nickel, and F. S. da Gama. A tabu search heuristic for redesigning a multi-echelon supply chain network over a planning horizon. International Journal of Production Economics, 136(1), 218 - 230, 2012.
  • E. Ebermann and S. Nickel. Scheduling steel plates on a roller furnace. In: D. Klatte, H.-J. Lüthi, and K. Schmedders (editors), Operations Research Proceedings 2011, Operations Research Proceedings, 389-394. Springer Berlin, 2012.
  • S. Nickel, F. S. da Gama, and H.-P. Ziegler. A multi-stage stochastic supply network design problem with financial decisions and risk management. Omega, 40(5), 511 - 524, 2012.
  • S. Nickel, M. Schröder, and J. Steeg. Mid-term and short-term planning support for home health care services. European Journal of Operational Research, 219(3), 574 - 587, 2012.

2011

  • I. Correia, S. Nickel, and F. S. da Gama. Hub and spoke network design with single-assignment, capacity decisions and balancing requirements. Applied Mathematical Modelling, 35(10), 4841 - 4851, 2011.
  • S. Gelareh and S. Nickel. Hub location problems in transportation networks. Transportation Research Part E: Logistics and Transportation Review, 47(6), 1092 - 1111, 2011.
  • J. Grzybowski, S. Nickel, D. Pallaschke, and R. Urbanski. Ordered median functions and symmetries. Optimization, 60(7), 801-811, 2011.
  • C. Heib and S. Nickel. Performancevergleich zwischen simulationsbasierter Online- und Offline-Optimierung anhand von Scheduling-Problemen. In: L. März, W. Krug, O. Rose, and G. Weigert (editors), Simulation und Optimierung in Produktion und Logistik, VDI-Buch, 205-214. Springer Berlin, 2011.
  • M. Melo, S. Nickel, and F. Saldanha-da Gama. An efficient heuristic approach for a multi-period logistics network redesign problem. TOP, 1-29, 2011.
  • J. Schuld, T. Schäfer, S. Nickel, P. Jacob, M. K. Schilling, and S. Richter. Impact of it-supported clinical pathways on medical staff satisfaction. a prospective longitudinal cohort study. International Journal of Medical Informatics, 80(3), 151 - 156, 2011.

2010

  • A. Beaudry, G. Laporte, T. Melo, and S. Nickel. Dynamic transportation of patients in hospitals. OR Spectrum, 32(1), 77-107, 2010.
  • I. Correia, S. Nickel, and F. S. da Gama. The capacitated single-allocation hub location problem revisited: A note on a classical formulation. European Journal of Operational Research, 207(1), 92 - 96, 2010.
  • I. Correia, S. Nickel, and F. S. da Gama. Single-assignment hub location problems with multiple capacity levels. Transportation Research Part B: Methodological, 44(8-9), 1047 - 1066, 2010.
  • I. Correia, S. Nickel, and F. Saldanha-Da-Gama. Single-allocation hub location problems with capacity decisions and balancing requirements. In: Proceedings of the 12th WSEAS international conference on Mathematical and computational methods in science and engineering, MACMESE'10, 51-56, Stevens Point, Wisconsin, USA, 2010. World Scientific and Engineering Academy and Society (WSEAS).
  • E. Fernández, J. Kalcsics, S. Nickel, and R. Z. Ríos-Mercado. A novel maximum dispersion territory design model arising in the implementation of the WEEE-directive. Journal of the Operational Research Society, 61(3), 503-514, 2010.
  • S. Gelareh, S. Nickel, and D. Pisinger. Liner shipping hub network design in a competitive environment. Transportation Research Part E: Logistics and Transportation Review, 46(6), 991 - 1004, 2010.
  • J. Kalcsics, S. Nickel, J. Puerto, and A. Rodríguez-Chía. The ordered capacitated facility location problem. TOP, 18(1), 203-222, 2010.
  • J. Kalcsics, S. Nickel, J. Puerto, and A. M. Rodríguez-Chía. Distribution systems design with role dependent objectives. European Journal of Operational Research, 202(2), 491 - 501, 2010.
  • K. Kraus, S. Nickel, R. Richter, M. K. Schilling, U. A. Schmidt, and J. Schuld. Klinische Behandlungspfade - Integration logistischer Planungsaufgaben. Professional Process: Zeitschrift für modernes Prozessmanagement im Gesundheitswesen, 2(1), 12 - 15, 2010.
  • J. Krebs and S. Nickel. Extensions to the continuous ordered median problem. Mathematical Methods of Operations Research, 71(2), 283-306, 2010.
  • A. Marín, S. Nickel, and S. Velten. An extended covering model for flexible discrete and equity location problems. Mathematical Methods of Operations Research, 71(1), 125-163, 2010.

2009

  • O. Berman, J. Kalcsics, D. Krass, and S. Nickel. The ordered gradual covering location problem on a network. Discrete Applied Mathematics, 157(18), 3689 - 3707, 2009.
  • Z. Drezner and S. Nickel. Constructing a DC decomposition for ordered median problems. Journal of Global Optimization, 45(2), 187-201, 2009.
  • Z. Drezner and S. Nickel. Solving the ordered one-median problem in the plane. European Journal of Operational Research, 195(1), 46 - 61, 2009.
  • H. Hamacher and S. Nickel. Multifacility and restricted location problems multifacility and restricted location problems. In: C. A. Floudas and P. M. Pardalos (editors), Encyclopedia of Optimization, 2409-2413. Springer US, 2009.
  • T. Hanne, T. Melo, and S. Nickel. Bringing robustness to patient flow management through optimized patient transports in hospitals. Interfaces, 39(3), 241 - 255, 2009.
  • A. Marín, S. Nickel, J. Puerto, and S. Velten. A flexible model and efficient solution strategies for discrete location problems. Discrete Applied Mathematics, 157(5), 1128 - 1145, 2009.
  • M. Melo, S. Nickel, and F. S. da Gama. Facility location and supply chain management - a review. European Journal of Operational Research, 196(2), 401 - 412, 2009.
  • S. Nickel and F. Saldanha-da Gama. Logistics network design. OR Spectrum, 31(3), 461-463, 2009.
  • S. Nickel and U.-A. Schmidt. Process improvement in hospitals: A case study in a radiology department. Quality Management in Health Care, 18(4), 326 - 338, 2009.