Publications
2025
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Grothe, O.; Kächele, F.; Wälde, M.
High-resolution working layouts and time series for renewable energy generation in Europe
2025. Renewable Energy, 239, 121967. doi:10.1016/j.renene.2024.121967 -
Warwicker, J. A.; Rebennack, S.
Efficient continuous piecewise linear regression for linearising univariate non-linear functions
2025. IISE Transactions, 57 (3), 231–245. doi:10.1080/24725854.2023.2299809
2024
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Bakker, H.; Nickel, S.
The Value of the Multi-period Solution revisited: When to model time in capacitated location problems
2024. Computers and Operations Research, 161, Art. Nr.: 106428. doi:10.1016/j.cor.2023.106428 -
Bakker, H.
On the interplay between data and decisions in discrete location problems. PhD dissertation
2024, April 10. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000169660 -
Bathe, J.; Renner, H.-J.; Watzinger, S.; Olave-Rojas, D.; Hannappel, L.; Wnent, J.; Nickel, S.; Gräsner, J.-T.
Das SCATTER-Projekt: Computerbasierte Simulation zur Unterstützung bei der strategischen Verlegung von Intensivpatienten [The SCATTER project: computer-based simulation in the strategic transfer of intensive care patients]
2024. Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz, 67, 215–224. doi:10.1007/s00103-023-03811-3 -
Borlinghaus, P.; Gülzow, J. M.; Odemer, R.
In-hive flatbed scanners for non-destructive, long-term monitoring of honey bee brood, pathogens and pests
2024. Smart Agricultural Technology, 9, 100655. doi:10.1016/j.atech.2024.100655 -
Borlinghaus, P.; Tausch, F.; Odemer, R.
Natural color dispersion of corbicular pollen limits color-based classification
2024. ISPRS Open Journal of Photogrammetry and Remote Sensing, 12, Article no: 100063. doi:10.1016/j.ophoto.2024.100063 -
Bott, A.; Liu, B.; Puchta, A.; Fleischer, J.
Machine Learning-Driven RUL Prediction and Uncertainty Quantification for Ball Screw Drives in a Cloud-Ready Maintenance Framework
2024. Journal of Machine Engineering, 24 (3), 17 – 31. doi:10.36897/jme/192681 -
Diglio, A.; Nickel, S.; Saldanha-da-Gama, F.
Correction to: Towards a stochastic programming modeling framework for districting
2024. Annals of Operations Research, 332 (1-3), Art.-Nr.: 1241. doi:10.1007/s10479-020-03661-1 -
Dunke, F.; Nickel, S.
Metamodel-based dynamic algorithm configuration using artificial neural networks
2024. International Journal of General Systems, 53 (1), 41–71. doi:10.1080/03081079.2023.2245124 -
Dür, M.; López Cerdá, M. A.; Stein, O.; Uetz, M.
Obituary for Georg J. Still (13 November 1951–15 December 2023)
2024. Optimization, 73 (10), 3019–3020. doi:10.1080/02331934.2024.2331361 -
Dür, M.; Rückmann, J.-J.; Stein, O.; Werner, R.
Preface
2024. Optimization, 73 (10), 3015–3017. doi:10.1080/02331934.2024.2393541 -
Eichfelder, G.; Stein, O.
Limit sets in global multiobjective optimization
2024. Optimization, 73 (1), 1–27. doi:10.1080/02331934.2022.2092479 -
Eichfelder, G.; Stein, O.; Warnow, L.
A Solver for Multiobjective Mixed-Integer Convex and Nonconvex Optimization
2024. Journal of Optimization Theory and Applications, 203 (2), 1736–1766. doi:10.1007/s10957-023-02285-2 -
Füllner, C.; Kirst, P.; Otto, H.; Rebennack, S.
Feasibility Verification and Upper Bound Computation in Global Minimization Using Approximate Active Index Sets
2024. INFORMS Journal on Computing, 36 (6), 1737–1756. doi:10.1287/ijoc.2023.0162 -
Füllner, C.
On approximating non-convex value functions in stochastic dual dynamic programming and related decomposition methods. PhD dissertation
2024, August 21. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000173485 -
Grass, E.; Angler, Y.; Flessa, S.; Goetz, O.
Assessing the impact of technology partners on the level of cyberattack damage in hospitals
2024. Health policy and technology -
Grothe, O.; Rieger, J.
Decomposition and graphical correspondence analysis of checkerboard copulas
2024. Dependence Modeling, 12 (1), Art.-Nr.: 20240006. doi:10.1515/demo-2024-0006 -
Holz, S.; Coblenz, M.; Koch, R.; Bauer, H.-J.; Grothe, O.
Two approaches for constructing multivariate injection models for prefilming airblast atomizers
2024. International Journal of Multiphase Flow, 181, 104999. doi:10.1016/j.ijmultiphaseflow.2024.104999 -
Kächele, F.; Schneider, N.
Cluster Validation Based on Fisher’s Linear Discriminant Analysis
2024. Journal of Classification. doi:10.1007/s00357-024-09481-3 -
Kirst, P.; Bajbar, T.; Merkel, M.
A bisection method for solving distance-based clustering problems globally
2024. TOP. doi:10.1007/s11750-024-00684-w -
Kirst, P.; Schwarze, S.; Stein, O.
A Branch-and-Bound Algorithm for Nonconvex Nash Equilibrium Problems
2024. SIAM Journal on Optimization, 34 (4), 3371 – 3398. doi:10.1137/23M1548189 -
Korzhenevich, G.; Zander, A.
Leveraging the potential of the German operating room benchmarking initiative for planning: A ready-to-use surgical process data set
2024. Health Care Management Science, 27 (3), 328–351. doi:10.1007/s10729-024-09672-9 -
Krishnakumari, P. K.; Bakker, H.; Lahrichi, N.; Côté, F. L.; Gromicho, J.; Govindakarnavar, A.; Jha, P.; Shrestha, S.; Mulmi, R.; Bhusal, N.; Stapith, D.; Jha, R.; Shrestha, L.; Samuel, R.; Naidoo, D.; Del Rio Vilas, V.
Assessment of geographical accessibility to COVID-19 testing facilities in Nepal (2021)
2024. The Lancet Regional Health - Southeast Asia, 27, Art.-Nr.: 100436. doi:10.1016/j.lansea.2024.100436 -
Liu, B.; Coblenz, M.; Grothe, O.
Predicting grid frequency short-term dynamics with Gaussian processes and sequence modeling
2024. e-Energy ’24: Proceedings of the 15th ACM International Conference on Future and Sustainable Energy Systems, 535–550, Association for Computing Machinery (ACM). doi:10.1145/3632775.3662160 -
Meinhardt, H. I.
On the Replication of the Pre-kernel and Related Solutions
2024. Computational Economics, 64 (2), 871–946. doi:10.1007/s10614-023-10428-w -
Meyer, F.
Inertia-based Routing - New Approaches using Time-Optimal Trajectory Generation for Multirotor UAVs as an Example. PhD dissertation
2024, July 8. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000172056 -
Reiffer, A. S.
Activity Generation and Scheduling for Travel Demand Models to Account for Telecommuting Behavior. PhD dissertation
2024, October 28. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000175433 -
Rieger, J.; Liu, B.; Saugel, B.; Grothe, O.
On the assessment of the ability of measurements, nowcasts, and forecasts to track changes
2024. BMC Medical Research Methodology, 24 (1), Art.:-Nr. 275. doi:10.1186/s12874-024-02397-x -
Rieger, J. B.
Dependence in Statistical Data Analysis: From Structural Insights Through Decomposition to the Combination of Forecasts and the Evaluation of Tracking Changes. PhD dissertation
2024, July 31. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000172962 -
Stein, O.
2023 MMOR best paper award
2024. Mathematical Methods of Operations Research, 99, 1–2. doi:10.1007/s00186-024-00853-4 -
Stein, O.; Volk, M.
On the weakest constraint qualification for sharp local minimizers
2024. Optimization, 73 (10), 3259–3274. doi:10.1080/02331934.2024.2322155 -
Warwicker, J. A.; Rebennack, S.
Support vector machines within a bivariate mixed-integer linear programming framework
2024. Expert Systems with Applications, 245, 122998. doi:10.1016/j.eswa.2023.122998 -
Watzinger, S.; Nießner, C.; Schutz, C.; Groß, D.; Schmitz, D.; Stock, J.-P.; Fabrizio, M.; Frey, P.; Böhm, R.; Sebold, S.; Ade, T.; Nickel, S.
Patient-oriented planning criteria for emergency medical service logistics; [Patientenorientierte Planungskriterien für die Logistik in der Notfallrettung]
2024. Notfall und Rettungsmedizin. doi:10.1007/s10049-023-01254-6
2023
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Arbeitsgruppe LiNo; Wnent, J.; Bandlow, S.; Renner, H.-J.; Gräsner, J.-T.; Hannappel, L.; Watzinger, S.; Nickel, S.; Dax, F.
Rettungsdienststrukturen neu denken – Ergebnisse der Expertenworkshops „Logistik in der präklinischen Notfallversorgung“ [Rethinking emergency medical services (EMS)—results of an interdisciplinary expert panel on logistics in EMS]
2023. Notfall und Rettungsmedizin. doi:10.1007/s10049-023-01248-4 -
Bakker, H.; Bindewald, V.; Dunke, F.; Nickel, S.
Logistics for diagnostic testing: An adaptive decision-support framework
2023. European Journal of Operational Research, 311 (3), 1120–1133. doi:10.1016/j.ejor.2023.05.028 -
Bakker, H.; Diehlmann, F.; Wiens, M.; Nickel, S.; Schultmann, F.
School or parking lot? Selecting locations for points of distribution in urban disasters
2023. Socio-Economic Planning Sciences, 89, Art.-Nr.: 101670. doi:10.1016/j.seps.2023.101670 -
Bindewald, V.; Dunke, F.; Nickel, S.
Comparison of different approaches to multistage lot sizing with uncertain demand
2023. International Transactions in Operational Research, 30 (6), 3771–3800. doi:10.1111/itor.13305 -
Borlinghaus, P.; Jung, J.; Odemer, R.
Introducing Pollenyzer: An app for automatic determination of colour diversity for corbicular pollen loads
2023. Smart Agricultural Technology, 5, Art.-Nr.: 100263. doi:10.1016/j.atech.2023.100263 -
Borlinghaus, P.; Tausch, F.; Rettenberger, L.
A Purely Visual Re-ID Approach for Bumblebees (Bombus terrestris)
2023. Smart Agricultural Technology, 3, Art.-Nr.: 100135. doi:10.1016/j.atech.2022.100135 -
Dunke, F.; Nickel, S.
A matheuristic for customized multi-level multi-criteria university timetabling
2023. Annals of Operations Research, 328 (2), 1313–1348. doi:10.1007/s10479-023-05325-2 -
Faeghi, S.; Lennerts, K.; Nickel, S.
Strategic planning of operating room session allocation using stability analysis
2023. Health Systems, 12 (2), 167–180. doi:10.1080/20476965.2021.1997651 -
Gabl, M.
Sparse conic reformulation of structured QCQPs based on copositive optimization with applications in stochastic optimization
2023. Journal of Global Optimization, 87 (1), 221–254. doi:10.1007/s10898-023-01283-y -
Grass, E.; Ortmann, J.; Balcik, B.; Rei, W.
A machine learning approach to deal with ambiguity in the humanitarian decision-making
2023. Production and Operations Management, 32 (9), 2956–2974. doi:10.1111/poms.14018 -
Grothe, O.; Kächele, F.; Krüger, F.
From point forecasts to multivariate probabilistic forecasts: The Schaake shuffle for day-ahead electricity price forecasting
2023. Energy Economics, 120, Art.-Nr.: 106602. doi:10.1016/j.eneco.2023.106602 -
Ikhelef, I. A.; Warwicker, J. A.; Rebennack, S.; Saidi, M. Y.; Chen, K.
Efficient Decomposition-Based Methods for Optimal VNF Placement and Chaining
2023. APNOMS 2023 - 24th Asia-Pacific Network Operations and Management Symposium: Intelligent Management for Enabling the Digital Transformation, 89 – 94, Institute of Electrical and Electronics Engineers (IEEE) -
Janschekowitz, M.; Taherkhani, G.; Alumur, S. A.; Nickel, S.
An alternative approach to address uncertainty in hub location
2023. OR Spectrum, 45 (2), 359–393. doi:10.1007/s00291-023-00706-2 -
Kächele, F.; Grothe, O.
Realtime temperature-adjusted natural gas savings of European private households: A study on the German gas market in 2022
2023. Companion Proceedings of the 14th ACM International Conference on Future Energy Systems (e-Energy ’23), 21–25, Association for Computing Machinery (ACM). doi:10.1145/3599733.3600246 -
Kächele, F.
Developments in Theory and Application of Copulas: Variance Estimation, Economic Modeling, Forecasting and Machine Learning. PhD dissertation
2023, October 10. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000162773 -
Lissovoi, A.; Oliveto, P. S.; Warwicker, J. A.
When move acceptance selection hyper-heuristics outperform Metropolis and elitist evolutionary algorithms and when not
2023. Artificial Intelligence, 314, Art.-Nr.: 103804. doi:10.1016/j.artint.2022.103804 -
Möbius, T.; Watermeyer, M.; Grothe, O.; Müsgens, F.
Enhancing energy system models using better load forecasts
2023. Energy Systems. doi:10.1007/s12667-023-00590-3 -
Mohr, R.; Coblenz, M.; Kirst, P.
Globally optimal univariate spline approximations
2023. Computational Optimization and Applications, 85, 409–439. doi:10.1007/s10589-023-00462-7 -
Neumann, C.; Stein, O.
Feasible rounding approaches for equality constrained mixed-integer optimization problems
2023. Optimization, 72 (2), 581–606. doi:10.1080/02331934.2021.1981894 -
Olave Rojas, D. A.
The challenge of dispatching the right ambulance. PhD dissertation
2023, November 28. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000164712 -
Pouls, M.
Real-Time Optimization for Dynamic Ride-Sharing. PhD dissertation
2023, May 15. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000158636 -
Schwarze, S.; Stein, O.
A branch-and-prune algorithm for discrete Nash equilibrium problems
2023. Computational Optimization and Applications, 86, 491–519. doi:10.1007/s10589-023-00500-4 -
Stein, O.
2022 MMOR best paper award
2023. Mathematical Methods of Operations Research, 97 (2), 159–160. doi:10.1007/s00186-023-00812-5 -
Stein, O.; Volk, M.
Generalized Polarity and Weakest Constraint Qualifications in Multiobjective Optimization
2023. Journal of Optimization Theory and Applications, 198, 1156–1190. doi:10.1007/s10957-023-02256-7 -
Valgaev, O.
Day-Ahead Building Power Demand Forecasting in Smart Grids. PhD dissertation
2023, November 28. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000164778 -
Warwicker, J. A.; Rebennack, S.
A unified framework for bivariate clustering and regression problems via mixed-integer linear programming
2023. Discrete Applied Mathematics, 336, 15 – 36. doi:10.1016/j.dam.2023.03.010 -
Watermeyer, M.
Advancing Energy Transition: Statistical Approaches to Pan-European Feed-in Data Sets, Enhanced Data Quality and Improved Forecasting. PhD dissertation
2023, July 7. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000160201
2022
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Bomze, I. M.; Gabl, M.
Optimization under uncertainty and risk: Quadratic and copositive approaches
2022. European Journal of Operational Research, 310 (2), 449–476. doi:10.1016/j.ejor.2022.11.020 -
Borlinghaus, P.; Odemer, R.; Tausch, F.; Schmidt, K.; Grothe, O.
Honey bee counter evaluation – Introducing a novel protocol for measuring daily loss accuracy
2022. Computers and Electronics in Agriculture, 197, Art.Nr. 106957. doi:10.1016/j.compag.2022.106957 -
Buhlinger-Göpfarth, N.; Zander, A.; Heckmann, I.; Holzmann, T.; Lauck, K.; Stengel, S.; Nickel, S.; Peters-Klimm, F.
Time Spent on the Vaccination Process and Organization of the COVID-19 Vaccination in Family Practices [Zeitaufwand des Impfprozesses und der Organisation der COVID-19-Impfung in Hausarztpraxen]
2022. Zeitschrift fur Allgemeinmedizin, 98 (3), 100–105. doi:10.53180/zfa.2022.0100-0105 -
Burachik, R.; Sagastizábal, C.; Stein, O.; Théra, M.
Preface to the Special Issue Geometry, Optimization, and Convex Analysis
2022. Set-Valued and Variational Analysis, 30 (4), 1247–1249. doi:10.1007/s11228-022-00654-z -
Coblenz, M.; Grothe, O.; Herrmann, K.; Hofert, M.
Smooth bootstrapping of copula functionals
2022. Electronic Journal of Statistics, 16 (1), 2550–2606. doi:10.1214/22-EJS2007 -
Dunke, F.; Nickel, S.
Exact reoptimisation under gradual look-ahead for operational control in production and logistics
2022. International Journal of Systems Science: Operations and Logistics, 10 (1), Art.Nr. 2141590. doi:10.1080/23302674.2022.2141590 -
Dunke, F.; Nickel, S.
A multi-method approach to scheduling and efficiency analysis in dual-resource constrained job shops with processing time uncertainty
2022. Computers and Industrial Engineering, 168, Art.-Nr.: 108067. doi:10.1016/j.cie.2022.108067 -
Dunke, F.; Nickel, S.
Correction to: Exact distributional analysis of online algorithms with lookahead
2022. 4OR, 20 (1), 167. doi:10.1007/s10288-021-00479-w -
Füllner, C.; Rebennack, S.
Non-convex nested Benders decomposition
2022. Mathematical Programming, 196, 987–1024. doi:10.1007/s10107-021-01740-0 -
Grothe, O.; Kächele, F.; Watermeyer, M.
Analyzing Europe’s Biggest Offshore Wind Farms: A Data Set with 40 Years of Hourly Wind Speeds and Electricity Production
2022. Energies, 15 (5), Art.-Nr.: 1700. doi:10.3390/en15051700 -
Grothe, O.; Kächele, F.; Schmid, F.
A multivariate extension of the Lorenz curve based on copulas and a related multivariate Gini coefficient
2022. The Journal of Economic Inequality, 20 (3), 727–748. doi:10.1007/s10888-022-09533-x -
Grothe, O.; Rieger, J.
SVD-reduction of high-dimensional German spatio-temporal wind speed data and clusters of similarity
2022. e-Energy ’22: Proceedings of the Thirteenth ACM International Conference on Future Energy Systems, 515–520, Association for Computing Machinery (ACM). doi:10.1145/3538637.3539764 -
Koster, N.; Grothe, O.; Rettinger, A.
Signing the Supermask: Keep, Hide, Invert
2022. International Conference on Learning Representations 2022 -
Neumann, C.; Schwarze, S.; Stein, O.; Müller, B.
Feasible rounding based diving strategies in branch-and-bound methods for mixed-integer optimization
2022. EURO Journal on Computational Optimization, 10, Art.-Nr.: 100051. doi:10.1016/j.ejco.2022.100051 -
Rebennack, S.
Data-driven stochastic optimization for distributional ambiguity with integrated confidence region
2022. Journal of Global Optimization, 84 (2), 255–293. doi:10.1007/s10898-022-01146-y -
Stein, O.
2021 MMOR best paper award
2022. Mathematical Methods of Operations Research, 95 (2), 183–186. doi:10.1007/s00186-022-00783-z -
Warwicker, J. A.; Rebennack, S.
Generating optimal robust continuous piecewise linear regression with outliers through combinatorial Benders decomposition
2022. IISE Transactions, 55 (8), 755–767. doi:10.1080/24725854.2022.2107249 -
Warwicker, J. A.; Rebennack, S.
A Comparison of Two Mixed-Integer Linear Programs for Piecewise Linear Function Fitting
2022. INFORMS journal on computing, 34 (2), 671–1304. doi:10.1287/ijoc.2021.1114 -
Zimmerling, C.; Poppe, C.; Stein, O.; Kärger, L.
Optimisation of manufacturing process parameters for variable component geometries using reinforcement learning
2022. Materials and Design, 214, Art.-Nr.: 110423. doi:10.1016/j.matdes.2022.110423
2021
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Borlinghaus, P.; Huber, S.
Comparing Apples and Oranges: Human and Computer Clustered Affinity Diagrams under the Microscope
2021. IUI ’21: 26th International Conference on Intelligent User Interfaces, 13-17 April 2021, TX, College Station, USA (virtual), 413–422, Association for Computing Machinery (ACM). doi:10.1145/3397481.3450674 -
Coblenz, M.; Grothe, O.; Herrmann, K.; Hofert, M.
Smooth bootstrapping of copula functionals
2021. doi:10.48550/arXiv.2110.03397 -
Dunke, F.; Nickel, S.
Simulation-based multi-criteria decision making: an interactive method with a case study on infectious disease epidemics
2021. Annals of Operations Research. doi:10.1007/s10479-021-04321-8 -
Dunke, F.; Nickel, S.
Exact distributional analysis of online algorithms with lookahead
2021. 4OR, 19, 199–233. doi:10.1007/s10288-020-00442-1 -
Dunke, F.; Nickel, S.
Online optimization with gradual look-ahead
2021. Operational research, 21, 2489–2523. doi:10.1007/s12351-019-00506-z -
Eichfelder, G.; Kirst, P.; Meng, L.; Stein, O.
A general branch-and-bound framework for continuous global multiobjective optimization
2021. Journal of global optimization, 80 (1), 195–227. doi:10.1007/s10898-020-00984-y -
Eichfelder, G.; Kirst, P.; Meng, L.; Stein, O.
Correction to: A general branch-and-bound framework for continuous global multiobjective optimization
2021. Journal of global optimization, 80 (1), 229. doi:10.1007/s10898-021-00998-0 -
Füllner, C.; Kirst, P.; Stein, O.
Convergent upper bounds in global minimization with nonlinear equality constraints
2021. Mathematical programming, 187, 617–651. doi:10.1007/s10107-020-01493-2 -
Goldberg, N.; Rebennack, S.; Kim, Y.; Krasko, V.; Leyffer, S.
MINLP formulations for continuous piecewise linear function fitting
2021. Computational Optimization and Applications, 79 (1), 223–233. doi:10.1007/s10589-021-00268-5 -
Grothe, O.; Kächele, F.; Schmid, F.
A multivariate extension of the Lorenz curve based on copulas and a related multivariate Gini coefficient
2021. Springer. doi:10.48550/arXiv.2101.04748 -
Hegemann, M.
Ein Entscheidungsunterstützungssystem zur Priorisierung ungeplanter Stillstände für eine ausbringungsoptimierte Durchführung reaktiver sowie proaktiver Instandhaltungsmaßnahmen. PhD dissertation
2021, March 2. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000130039 -
Lampariello, L.; Neumann, C.; Ricci, J. M.; Sagratella, S.; Stein, O.
Equilibrium selection for multi-portfolio optimization
2021. European journal of operational research, 295 (1), 363–373. doi:10.1016/j.ejor.2021.02.033 -
Lohmann, T.; Bussieck, M. R.; Westermann, L.; Rebennack, S.
High-Performance Prototyping of Decomposition Methods in GAMS
2021. INFORMS journal on computing, 33 (1), 1–418. doi:10.1287/ijoc.2019.0905 -
Neumann, C.
Inner Parallel Sets in Mixed-Integer Optimization. PhD dissertation
2021, August 2. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000135848 -
Neumann, C.; Stein, O.
Generating feasible points for mixed-integer convex optimization problems by inner parallel cuts
2021. SIAM Journal on Optimization, 31 (3), 2396–2428. doi:10.1137/20M131922X -
O’Brien, N.; Grass, E.; Martin, G.; Durkin, M.; Darzi, A.; Ghafur, S.
Developing a globally applicable cybersecurity framework for healthcare: a Delphi consensus study
2021. BMJ Innovations, 7 (1), 199–207. doi:10.1136/bmjinnov-2020-000572 -
Olave-Rojas, D.; Nickel, S.
Modeling a pre-hospital emergency medical service using hybrid simulation and a machine learning approach
2021. Simulation Modelling Practice and Theory, 109, Art.-Nr.: 102302. doi:10.1016/j.simpat.2021.102302 -
Razm, S.; Dolgui, A.; Hammami, R.; Brahimi, N.; Nickel, S.; Sahebi, H.
A two-phase sequential approach to design bioenergy supply chains under uncertainty and social concerns
2021. Computers & chemical engineering, 145, Art.-Nr.: 107131. doi:10.1016/j.compchemeng.2020.107131 -
Stein, O.
2020 MMOR best paper award
2021. Mathematical methods of operations research, 93 (2), 209–211. doi:10.1007/s00186-021-00739-9 -
Sudermann-Merx, N.; Rebennack, S.
Leveraged least trimmed absolute deviations
2021. OR Spectrum, 43 (3), 809–834. doi:10.1007/s00291-021-00627-y -
Sudermann-Merx, N.; Rebennack, S.; Timpe, C.
Crossing Minimal Edge-Constrained Layout Planning using Benders Decomposition
2021. Production and Operations Management, 30 (10), 3429–3447. doi:10.1111/poms.13441 -
Zander, A.
Demand and Capacity Management for Medical Practices. PhD dissertation
2021, September 24. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000137945 -
Zander, A.; Nickel, S.; Vanberkel, P.
Managing the intake of new patients into a physician panel over time
2021. European journal of operational research, 294 (1), 391–403. doi:10.1016/j.ejor.2021.01.035
2020
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Bakker, H.; Dunke, F.; Nickel, S.
A structuring review on multi-stage optimization under uncertainty: Aligning concepts from theory and practice
2020. Omega, 96, Art. Nr.: 102080. doi:10.1016/j.omega.2019.06.006 -
Coblenz, M.; Holz, S.; Bauer, H.-J.; Grothe, O.; Koch, R.
Modelling fuel injector spray characteristics in jet engines by using vine copulas
2020. Journal of the Royal Statistical Society / C, 69 (4), 863–886. doi:10.1111/rssc.12421 -
Diglio, A.; Nickel, S.; Saldanha da Gama, F.
Towards a stochastic programming modeling framework for districting
2020. Annals of operations research, 292 (1), 249–285. doi:10.1007/s10479-020-03631-7 -
Dunke, F.; Nickel, S.
Improving company-wide logistics through collaborative track and trace IT services
2020. International journal of logistics systems and management, 35 (3), 329–353. doi:10.1504/IJLSM.2020.105916 -
Dunke, F.; Nickel, S.
Neural networks for the metamodeling of simulation models with online decision making
2020. Simulation modelling practice and theory, 99, 102016. doi:10.1016/j.simpat.2019.102016 -
Dunke, F.; Nickel, S.
A data-driven methodology for the automated configuration of online algorithms
2020. Decision support systems, 137, Art.-Nr.: 113343. doi:10.1016/j.dss.2020.113343 -
Glock, K. D.
Emergency rapid mapping with drones: models and solution approaches for offline and online mission planning. PhD dissertation
2020, October 21. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000124518 -
Grothe, O.; Kaplan, A.; Kouz, K.; Saugel, B.
Computer Program for Error Grid Analysis in Arterial Blood Pressure Method Comparison Studies
2020. Anesthesia & analgesia, 130 (3), e71–e74. doi:10.1213/ANE.0000000000004584 -
Lampariello, L.; Neumann, C.; Ricci, J. M.; Sagratella, S.; Stein, O.
An explicit Tikhonov algorithm for nested variational inequalities
2020. Computational optimization and applications, 77 (2), 335–350. doi:10.1007/s10589-020-00210-1 -
Lucking, M.; Manke, R.; Schinle, M.; Kohout, L.; Nickel, S.; Stork, W.
Decentralized patient-centric data management for sharing IoT data streams
2020. 2020 International Conference on Omni-layer Intelligent Systems (COINS), August 31 - September 2, 2020, Barcelona, Spain, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/COINS49042.2020.9191653 -
Mohr, R.
Algorithms for Nonconvex Optimization Problems in Machine Learning and Statistics. PhD dissertation
2020, May 7. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000119052 -
Neumann, C.; Stein, O.; Sudermann-Merx, N.
Bounds on the Objective Value of Feasible Roundings
2020. Vietnam journal of mathematics, 48, 299–313. doi:10.1007/s10013-020-00393-4 -
Neumann, C.; Stein, O.; Sudermann-Merx, N.
Granularity in Nonlinear Mixed-Integer Optimization
2020. Journal of optimization theory and applications, 184, 433–465. doi:10.1007/s10957-019-01591-y -
Resener, M.; Rebennack, S.; Pardalos, P. M.; Haffner, S. (Eds.)
Handbook of Optimization in Electric Power Distribution Systems
2020. Springer International Publishing. doi:10.1007/978-3-030-36115-0 -
Stein, O.
OR for the classroom
2020. Mathematical methods of operations research, 91 (2), Article: 199. doi:10.1007/s00186-020-00711-z -
Tam, M. K. C.; Meier, M. A. R.; Zhang, L.; Allen, D. T.; Licence, P.; Subramaniam, B.
Expectations for Papers on Sustainable Materials in ACS Sustainable Chemistry & Engineering (Editorial)
2020. ACS sustainable chemistry & engineering, 8 (4), 1703–1704. doi:10.1021/acssuschemeng.0c00122 -
Will, A.; Bernhard, A.; Bonura, M.; Bordini, B.; Mentink, M.; Mueller, A.-S.; Oslandsbotn, A.; Schmidt, R.; Schubert, J.; Senatore, C.; Siemko, A.; Verweij, A.; Wollmann, D.
Impact of 440 GeV Proton beams on Superconductors in a Cryogenic Environment
2020. Journal of Physics: Conference Series, 1559, Art.Nr. 012060. doi:10.1088/1742-6596/1559/1/012060
2019
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Axenovich, M.; Kaplan, A.; Yuster, R.
Clumsy packings of graphs
2019. The electronic journal of combinatorics, 26 (2), Art.Nr.: P2.39 -
Bajbar, T.; Stein, O.
Coercive polynomials: stability, order of growth, and Newton polytopes
2019. Optimization, 68 (1, SI), 99–124. doi:10.1080/02331934.2018.1426585 -
Bethge, D.; Chen, J.; Grothe, O.; Elmer, J.; Dubrawski, A.
Prognostication of neurological recovery by analyzing structural breaks in EEG data
2019. 2019 International Conference on Data Mining Workshops (ICDMW), 933–940, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICDMW.2019.00136 -
Cervinka, M.; Rückmann, J.-J.; Stein, O.
Preface
2019. Optimization, 68 (2-3), 429–431. doi:10.1080/02331934.2019.1584715 -
Dunke, F.; Nickel, S.
Day-ahead and online decision-making for collaborative on-site logistics
2019. Journal of simulation, 13 (2), 138–151. doi:10.1080/17477778.2018.1485616 -
Ghafur, S.; Grass, E.; Jennings, N. R.; Darzi, A.
The challenges of cybersecurity in health care: the UK National Health Service as a case study
2019. The lancet / Digital health, 1 (1), e10–e12. doi:10.1016/S2589-7500(19)30005-6 -
Grothe, O.; Kleppe, T. S.; Liesenfeld, R.
The Gibbs sampler with particle efficient importance sampling for state-space models*
2019. Econometric reviews, 38 (10), 1152–1175. doi:10.1080/07474938.2018.1536098 -
Grzybowski, J.; Pallaschke, D.; Urbański, R.
The formulas for the representation of functions of two variables as a difference of sublinear functions
2019. Optimization, 68 (10), 2055–2070. doi:10.1080/02331934.2018.1491572 -
Kirst, P.
Disjunctive Aspects in Generalized Semi-infinite Programming. PhD dissertation
2019. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000095997 -
Kirst, P.; Stein, O.
Global optimization of generalized semi-infinite programs using disjunctive programming
2019. Journal of global optimization, 73 (1), 1–25. doi:10.1007/s10898-018-0690-6 -
Kleff, A.
Scheduling and Routing of Truck Drivers Considering Regulations on Drivers’ Working Hours. PhD dissertation
2019. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000097855 -
Lampariello, L.; Sagratella, S.; Stein, O.
The Standard Pessimistic Bilevel Problem
2019. SIAM journal on optimization, 29 (2), 1634–1656. doi:10.1137/18M119759X -
Lust, A.; Waldmann, K.-H.
A general storage model with applications to energy systems
2019. OR spectrum, 41 (1), 71–97. doi:10.1007/s00291-018-0527-1 -
Neumann, C.; Stein, O.; Sudermann-Merx, N.
A feasible rounding approach for mixed-integer optimization problems
2019. Computational optimization and applications, 72 (2), 309–337. doi:10.1007/s10589-018-0042-y -
Razm, S.; Nickel, S.; Sahebi, H.
A multi-objective mathematical model to redesign of global sustainable bioenergy supply network
2019. Computers & chemical engineering, 128, 1–20. doi:10.1016/j.compchemeng.2019.05.032 -
Razm, S.; Nickel, S.; Saidi-mehrabad, M.; Sahebi, H.
A global bioenergy supply network redesign through integrating transfer pricing under uncertain condition
2019. Journal of cleaner production, 208, 1081–1095. doi:10.1016/j.jclepro.2018.10.070 -
Rebennack, S.; Krasko, V.
Piecewise Linear Function Fitting via Mixed-Integer Linear Programming
2019. INFORMS journal on computing, 32 (2), 199–530. doi:10.1287/ijoc.2019.0890 -
Rebennack, S.; Prokopyev, O. A.; Singh, B.
Two-stage stochastic minimum s − t cut problems: Formulations, complexity and decomposition algorithms
2019. Networks, 75 (3), 235–258. doi:10.1002/net.21922 -
Reuter-Oppermann, M.; Kienzle, L.; Zander, A.; Buchmüller, D.; Goldberg, D.
Centralising the Admission Process in a German Hospital
2019. Proceedings of the 52nd Hawaii International Conference on System Sciences, 4098–4106, University of Hawaii at Manoa, Hamilton Library, ScholarSpace. doi:10.24251/HICSS.2019.497 -
Rogge, D. E.; Nicklas, J. Y.; Schön, G.; Grothe, O.; Haas, S. A.; Reuter, D. A.; Saugel, B.
Continuous Noninvasive Arterial Pressure Monitoring in Obese Patients During Bariatric Surgery: An Evaluation of the Vascular Unloading Technique (Clearsight system)
2019. Anesthesia & analgesia, 128 (3), 477–483. doi:10.1213/ANE.0000000000003943 -
Rohrbeck, B.
Location planning of charging stations for electric city buses. PhD dissertation
2019. Shaker Verlag -
Wolff, C.; Reuter-Oppermann, M.; Kühl, N.
On the Impact of the Customer Base on the Added Value through System-Oriented Service Delivery in Industrial Maintenance [in press]
2019. Hawaii International Conference on System Sciences (HICSS-52), Grand Wailea, Maui, Hawaii, January 8-11, 2019 -
Yanık, S.; Kalcsics, J.; Nickel, S.; Bozkaya, B.
A multi-period multi-criteria districting problem applied to primary care scheme with gradual assignment
2019. International transactions in operational research, 26 (5), 1676–1697. doi:10.1111/itor.12633
2018
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Alumur, S. A.; Nickel, S.; Rohrbeck, B.; Saldanha-da-Gama, F.
Modeling congestion and service time in hub location problems
2018. Applied mathematical modelling, 55, 13–32. doi:10.1016/j.apm.2017.10.033 -
Arnolds, I. V.; Gartner, D.
Improving hospital layout planning through clinical pathway mining
2018. Annals of operations research, 263 (1-2), 453–477. doi:10.1007/s10479-017-2485-4 -
Asadi, E.; Habibi, F.; Nickel, S.; Sahebi, H.
A bi-objective stochastic location-inventory-routing model for microalgae-based biofuel supply chain
2018. Applied energy, 228, 2235–2261. doi:10.1016/j.apenergy.2018.07.067 -
Bender, M.; Kalcsics, J.; Nickel, S.; Pouls, M.
A branch-and-price algorithm for the scheduling of customer visits in the context of multi-period service territory design
2018. European journal of operational research, 269 (1), 382–396. doi:10.1016/j.ejor.2018.01.047 -
Breig, R.; Coblenz, M.; Pelz, M.
Enhancing simulation-based theory development in entrepreneurship through statistical validation
2018. Journal of Business Venturing Insights, 9, 53–59. doi:10.1016/j.jbvi.2018.02.003 -
Coblenz, M.; Dyckerhoff, R.; Grothe, O.
Nonparametric Estimation of Multivariate Quantiles
2018. Environmetrics, 29 (2), Art. Nr.: e2488. doi:10.1002/env.2488 -
Coblenz, M.; Dyckerhoff, R.; Grothe, O.
Confidence Regions for Multivariate Quantiles
2018. Water, 10 (8), Article: 996. doi:10.3390/w10080996 -
Coblenz, M.
Advances in Dependence Modeling: Multivariate Quantiles, Copula Level Curve Lengths, and Non-Simplified Vine Copulas. PhD dissertation
2018. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000088365 -
Coblenz, M.; Grothe, O.; Schreyer, M.; Trutschnig, W.
On the length of copula level curves
2018. Journal of multivariate analysis, 167, 347–365. doi:10.1016/j.jmva.2018.06.001 -
Grzybowski, J.; Kalcsics, J.; Nickel, S.; Pallaschke, D.; Urbański, R.
Ascent and descent cones of ordered median block functions
2018. Optimization, 67 (5), 507–522. doi:10.1080/02331934.2018.1429432 -
Grzybowski, J.; Pallaschke, D.; Przybycień, H.; Urbański, R.
Reduced and Minimally Convex Pairs of Sets
2018. Journal of convex analysis, 25 (4), 1319–1334 -
Hayn, M.; Zander, A.; Fichtner, W.; Nickel, S.; Bertsch, V.
The impact of electricity tariffs on residential demand side flexibility: results of bottom-up load profile modeling
2018. Energy systems, 9 (3), 759–792. doi:10.1007/s12667-018-0278-8 -
Reuter-Oppermann, M.; Zander, A.; Nickel, S.
An Innovative Concept for Teaching Operations Research Applied to Health Care
2018. Advances in Operations Research Education. Ed.: J. Beliën, 95–105, Springer International Publishing. doi:10.1007/978-3-319-74104-8_7 -
Rohrbeck, B.; Berthold, K.; Hettich, F.
Location Planning of Charging Stations for Electric City Buses Considering Battery Ageing Effects
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. doi:10.1007/978-3-319-89920-6_93 -
Saugel, B.; Grothe, O.; Nicklas, J. Y.
Error Grid Analysis for Arterial Pressure Method Comparison Studies
2018. Anesthesia & analgesia, 126 (4), 1177–1185. doi:10.1213/ANE.0000000000002585 -
Steeger, G.; Lohmann, T.; Rebennack, S.
Strategic bidding for a price-maker hydroelectric producer: Stochastic dual dynamic programming and Lagrangian relaxation
2018. IISE Transactions, 50 (11), 929–942. doi:10.1080/24725854.2018.1461963 -
Stein, O.
Grundzüge der Nichtlinearen Optimierung
2018. Springer-Verlag. doi:10.1007/978-3-662-55593-4 -
Stein, O.; Sudermann-Merx, N.
The noncooperative transportation problem and linear generalized Nash games
2018. European journal of operational research, 266 (2), 543–553. doi:10.1016/j.ejor.2017.10.001
2017
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Bajbar, T.; Stein, O.
On globally diffeomorphic polynomial maps via Newton polytopes and circuit numbers
2017. Mathematische Zeitschrift, 288 (3-4), 915–933. doi:10.1007/s00209-017-1920-1 -
Bender, M.
Recent Mathematical Approaches to Service Territory Design. PhD dissertation
2017. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000075947 -
Brandt, F.
The Air Cargo Load Planning Problem. PhD dissertation
2017. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000075507 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
A stochastic multi-period capacitated multiple allocation hub location problem: Formulation and inequalities
2017. Omega, 74, 122–134. doi:10.1016/j.omega.2017.01.011 -
Grzybowski, J.; Pallaschke, D.; Przybycień, H.; Urbański, R.
On some consequences of Mazur–Orlicz theorem to Hahn–Banach–Lagrange theorem
2017. Optimization, 67 (7), 1005–1015. doi:10.1080/02331934.2017.1295044 -
Heckmann, I.; Nickel, S.
Rethinking supply chain risk analysis : common flaws & main elements
2017. Supply chain forum, 18 (2), 84–95. doi:10.1080/16258312.2017.1348871 -
Kirst, P.; Rigterink, F.; Stein, O.
Global optimization of disjunctive programs
2017. Journal of global optimization, 69 (2), 283–307. doi:10.1007/s10898-017-0526-9 -
Rebennack, S.
Letter from the Editor-in-Chief
2017. Energy systems, 8 (1), 1. doi:10.1007/s12667-017-0233-0 -
Steeger, G.; Rebennack, S.
Dynamic convexification within nested Benders decomposition using Lagrangian relaxation: An application to the strategic bidding problem
2017. European journal of operational research, 257 (2), 669–686. doi:10.1016/j.ejor.2016.08.006 -
Stein, O.
Preface to the special issue on advances in continuous optimization on the occasion of EUROPT 2015
2017. Mathematical methods of operations research, 85 (1), 1–2. doi:10.1007/s00186-017-0578-0
2016
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Bajbar, T.
On Newton polytopes and growth properties of multivariate polynomials. PhD dissertation
2016. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000056882 -
Bender, M.; Meyer, A.; Kalcsics, J.; Nickel, S.
The multi-period service territory design problem – An introduction, a model and a heuristic approach
2016. Transportation research / E, 96, 135–157. doi:10.1016/j.tre.2016.09.007 -
Berman, O.; Kalcsics, J.; Krass, D.
On covering location problems on networks with edge demand
2016. Computers & operations research, 74, 214–227. doi:10.1016/j.cor.2015.04.005 -
Butsch, A.
Districting Problems - New Geometrically Motivated Approaches. PhD dissertation
2016. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000058069 -
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
Moving towards an equitable long-term care network : A multi-objective and multi-period planning approach
2016. Omega, 58, 69–85. doi:10.1016/j.omega.2015.04.005 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
A Modeling Framework for Stochastic Multi-Period Capacitated Multiple Allocation Hub Location
2016. ILS : 6th International Conference on Information Systems, Logistics and Supply Chain, June 1-4, 2016 -
Dunke, F.; Heckmann, I.; Nickel, S.; Saldanha-da-Gama, F.
Time traps in supply chains: Is optimal still good enough?
2016. European journal of operational research. doi:10.1016/j.ejor.2016.07.016 -
Dunke, F.; Nickel, S.
Evaluating the quality of online optimization algorithms by discrete event simulation
2016. Central European journal of operations research, 25 (4), 831–858. doi:10.1007/s10100-016-0455-6 -
Dunke, F.; Nickel, S.
A general modeling approach to online optimization with lookahead
2016. Omega, 63, 134–153. doi:10.1016/j.omega.2015.10.009 -
Frank, S.; Rebennack, S.
An introduction to optimal power flow: Theory, formulation, and examples
2016. IISE Transactions, 48 (12), 1172–1197. doi:10.1080/0740817X.2016.1189626 -
Grzybowski, J.; Pallaschke, D.; Urbański, R.
Reduced Pairs of Compact Convex Sets and Ordered Median Functions
2016. Journal of optimization theory and applications, 171 (2), 354–364. doi:10.1007/s10957-015-0860-3 -
Heckmann, I.
Supply Chain Risk Analysis – Common Flaws, Core Areas, and Main Tasks
2016. Towards Supply Chain Risk Analytics : Fundamentals, Simulation, Optimization, 77–129, Springer-Verlag. doi:10.1007/978-3-658-14870-6_4 -
Heckmann, I.; Nickel, S.; Saldanha-da-Gama, F.
The Risk-Aware Multi-Period Capacitated Plant Location Problem (CPLP-Risk)
2016. 6th International Conference on Information Systems, Logistics and Supply Chain (ILS), Bordeaux, France, June 1–4, 2016, 1–6 -
Hottum, P.; Reuter-Oppermann, M.
Towards a Customer-Oriented Queuing in Service Incident Management
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. doi:10.1007/978-3-319-28697-6_33 -
Jochem, P.; Landes, P.; Reuter-Oppermann, M.; Fichtner, W.
Workload patterns of fast charging stations along the German Autobahn
2016. Proceedings of EVS29 Symposium. Montréal, Québec, CDN, June 19-22, 2016, EVS -
Jochem, P.; Landes, P.; Reuter-Oppermann, M.; Fichtner, W.
Workload patterns of fast charging stations along the German Autobahn
2016. World Electric Vehicle Journal, 8 (4), 926–923 -
Kaso, M.; Musgens, F.; Grothe, O.
Dynamic forecast combinations of improved individual forecasts for the prediction of wind energy
2016. 13th International Conference on the European Energy Market (EEM), Porto, Portugal, 6–9 June 2016, Art.Nr. 7521228, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EEM.2016.7521228 -
Kirst, P.; Stein, O.
Solving Disjunctive Optimization Problems by Generalized Semi-infinite Optimization Techniques
2016. Journal of optimization theory and applications, 169 (3), 1079–1109. doi:10.1007/s10957-016-0862-9 -
Krasko, V.; Rebennack, S.
Two-stage stochastic mixed-integer nonlinear programming model for post-wildfire debris flow hazard management : Mitigation and emergency evacuation
2016. European journal of operational research, 263 (1), 265–282. doi:10.1016/j.ejor.2017.05.004 -
Lohmann, T.; Hering, A. S.; Rebennack, S.
Spatio-temporal hydro forecasting of multireservoir inflows for hydro-thermal scheduling
2016. European journal of operational research, 255 (1), 243–258. doi:10.1016/j.ejor.2016.05.011 -
Lohmann, T.; Rebennack, S.
Tailored Benders Decomposition for a Long-Term Power Expansion Model with Short-Term Demand Response
2016. Management science, 63 (6), 2027–2048. doi:10.1287/mnsc.2015.2420 -
McCoy, K.; Krasko, V.; Santi, P.; Kaffine, D.; Rebennack, S.
Minimizing economic impacts from post-fire debris flows in the western United States
2016. Natural hazards, 83 (1), 149–176. doi:10.1007/s11069-016-2306-0 -
Moghadasian, M.
Integrated Lead Time and Demand Risk Pooling Strategies in Multi-Echelon Distribution Systems. PhD dissertation
2016. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000065810 -
Nickel, S.; Reuter-Oppermann, M.; Saldanha-da-Gama, F.
Ambulance location under stochastic demand: A sampling approach
2016. Operations research for health care, 8, 24–32. doi:10.1016/j.orhc.2015.06.006 -
Nunez-del-Toro, C.; Fernandez, E.; Kalcsics, J.; Nickel, S.
Scheduling policies for multi-period services
2016. European journal of operational research, 251 (3), 751–770. doi:10.1016/j.ejor.2015.12.002 -
Pallaschke, D.
An easy path to convex analysis and applications
2016. Optimization, 65 (2), 567–568. doi:10.1080/02331934.2015.1032286 -
Pallaschke, D.; Pumplün, D.
Banach Limits of Locally Bounded Real Functions on Hausdorff Spaces
2016. Applied categorical structures, 1–12. doi:10.1007/s10485-016-9460-0 -
Platt, E.
Optimale Auslastungssteuerung von Personalressourcen im Facility Management. PhD dissertation
2016. Karlsruher Institut für Technologie (KIT) -
Rebennack, S.
Computing tight bounds via piecewise linear functions through the example of circle cutting problems
2016. Mathematical methods of operations research, 84 (1), 3–57. doi:10.1007/s00186-016-0546-0 -
Stein, O.
Editorial
2016. Mathematical methods of operations research, 84 (3), 459. doi:10.1007/s00186-016-0568-7 -
Stein, O.
Error bounds for mixed integer nonlinear optimization problems
2016. Optimization letters, 10 (6), 1153–1168. doi:10.1007/s11590-016-1011-y -
Stein, O.
Error bounds for mixed integer linear optimization problems
2016. Mathematical Programming, 156 (1), 101–123. doi:10.1007/s10107-015-0872-7 -
Sudermann-Merx, N. G.
Linear Generalized Nash Equilibrium Problems. PhD dissertation
2016. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000054700 -
Wirnitzer, J.; Heckmann, I.; Meyer, A.; Nickel, S.
Patient-based nurse rostering in home care
2016. Operations Research for Health Care, 8, 91–102. doi:10.1016/j.orhc.2015.08.005
2015
-
Alumur, S. A.; Nickel, S.; Saldanha-da-Gama, F.; Seçerdin, Y.
Multi-period hub network design problems with modular capacities
2015. Annals of operations research, 246 (1-2), 289–312. doi:10.1007/s10479-015-1805-9 -
Averbakh, I.; Berman, O.; Kalcsics, J.; Krass, D.
Structural Properties of Voronoi Diagrams in Facility Location Problems with Continuous Demand
2015. Operations Research, 63 (2), 394–411. doi:10.1287/opre.2015.1354 -
Bajbar, T.; Stein, O.
Coercive polynomials and their Newton polytopes
2015. 4th Joint British Mathematical Colloquium & British Applied Mathematics Colloquium (BMC/BAMC), Cambridge, UK, 30 March - 2 April 2015. Book of Abstracts - [Poster] Nr. 322, 162, University of Cambridge -
Bajbar, T.; Stein, O.
Coercive polynomials and their Newton polytopes
2015. SIAM Journal on Optimization, 25 (3), 1542–1570. doi:10.1137/140980624 -
Bäuerle, N.; Stein, O.
Operations Research: Mathematical Methods
2015. Wiley StatsRef: Statistics Reference Online. Ed.: N. Balakrishnan, 1–8, John Wiley and Sons. doi:10.1002/9781118445112.stat04584.pub2 -
Cardoso, J.; Fromm, H.; Nickel, S.; Satzger, G.; Studer, R.; Weinhardt, C. (Eds.)
Fundamentals of service systems
2015. Springer-Verlag. doi:10.1007/978-3-319-23195-2 -
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
Introducing health gains in location-allocation models: A stochastic model for planning the delivery of long-term care
2015. Journal of physics / Conference Series, 616 (1), Article no: 012007. doi:10.1088/1742-6596/616/1/012007 -
Cardoso, T.; Oliveira, M. D.; Barbósa-Póvoa, A. P. F. D.; Nickel, S.
An integrated approach for planning a long-term care network with uncertainty, strategic policy and equity considerations
2015. European Journal of Operational Research, 247 (1), 321–334. doi:10.1016/j.ejor.2015.05.074 -
Dreves, A.; Sudermann-Merx, N.
Solving linear generalized Nash equilibrium problems numerically
2015. Optimization methods & software, 31 (5), 1036–1063. doi:10.1080/10556788.2016.1165676 -
Ejsing, J.; Grothe, M.; Grothe, O.
Liquidity and credit premia in the yields of highly-rated sovereign bonds
2015. Journal of empirical finance, 33, 160–173. doi:10.1016/j.jempfin.2015.04.001 -
Gelareh, S.; Monemi, R. N.; Nickel, S.
Multi-period hub location problems in transportation
2015. Transportation research / E, 75, 67–94. doi:10.1016/j.tre.2014.12.016 -
Grothe, O.; Hofert, M.
Construction and sampling of Archimedean and nested Archimedean Lévy copulas
2015. Journal of multivariate analysis, 138, 182–198. doi:10.1016/j.jmva.2014.12.004 -
Grzybowski, J.; Kalcsics, J.; Nickel, S.; Pallaschke, D.; Urbanski, R.
On max-min representations of ordered median functions
2015. Optimization, 64 (2), 339–348. doi:10.1080/02331934.2012.750322 -
Grzybowski, J.; Nickel, S.; Pallaschke, D.; Urbański, R.; Kalcsics, J.
On topological types of ordered median functions
2015. Optimization, 64 (1), 149–160. doi:10.1080/02331934.2014.883512 -
Harms, N.; Kanzow, C.; Stein, O.
On differentiability properties of player convex generalized Nash equilibrium problems
2015. Optimization, 64 (2), 365–388. doi:10.1080/02331934.2012.752822 -
Heckmann, I.; Comes, T.; Nickel, S.
A critical review on supply chain risk - Definition, measure and modeling
2015. Omega, 52, 119–132. doi:10.1016/j.omega.2014.10.004 -
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
Several 2-facility location problems on networks with equity objectives
2015. Networks, 65 (1), 1–9. doi:10.1002/net.21568 -
Kirst, P.; Stein, O.
Solving disjunctive optimization problems by generalized semi-infinite optimization techniques
2015. Optimization Online, 1–32 -
Kirst, P.; Stein, O.; Steuermann, P.
Deterministic upper bounds for spatial branch-and-bound methods in global minimization with nonconvex constraints
2015. Top, 23 (2), 591–616. doi:10.1007/s11750-015-0387-7 -
Kirst, P.; Stein, O.; Steuermann, P.
An Enhanced Spatial Branch-and-Bound Method in Global Optimization with Nonconvex Constraints [Preprint]
2015. TOP -
Lust, A.
Optimale Steuerung regenerativer Energiesysteme in einer stochastischen Umwelt. PhD dissertation
2015. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000048257 -
Messer, C.; Zander, A.; Arnolds, I. V.; Nickel, S.; Schuster, M.
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
2015. Der Anaesthesist, 64 (12), 958–967. doi:10.1007/s00101-015-0108-5 -
Mohagheghi, S.; Rebennack, S.
Optimal resilient power grid operation during the course of a progressing wildfire
2015. International journal of electrical power & energy systems, 73, 843–852. doi:10.1016/j.ijepes.2015.05.035 -
Rebennack, S.
Combining sampling-based and scenario-based nested Benders decomposition methods: application to stochastic dual dynamic programming
2015. Mathematical programming, 156 (1-2), 343–389. doi:10.1007/s10107-015-0884-3 -
Sahebi, H.; Nickel, S.; Ashayeri, J.
Joint venture formation and partner selection in upstream crude oil section: Goal programming application
2015. International Journal of Production Research, 53 (10), 3047–3061. doi:10.1080/00207543.2014.970708 -
Saugel, B.; Grothe, O.; Wagner, J. Y.
Tracking changes in cardiac output: Statistical considerations on the four-quadrant plot and the polar plot methodology
2015. Anesthesia & analgesia, 121 (2), 514–524. doi:10.1213/ANE.0000000000000725 -
Stein, O.
Editorial
2015. Mathematical methods of operations research, 81 (1), 1–2. doi:10.1007/s00186-015-0492-2 -
Stein, O.
Error bounds for mixed integer nonlinear optimization problems [Preprint]
2015. Optimization Online, ID 2015–07 -
Stein, O.; Sudermann-Merx, N.
The Cone Condition and Nonsmoothness in Linear Generalized Nash Games
2015. Journal of optimization theory and applications, 170 (2), 687–709. doi:10.1007/s10957-015-0779-8
2014
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Averbakh, I.; Berman, O.; Krass, D.; Kalcsics, J.; Nickel, S.
Cooperative covering problems on networks
2014. Networks, 63 (4), 334–349. doi:10.1002/net.21549 -
Butsch, A.; Kalcsics, J.; Laporte, G.
Districting for arc routing
2014. INFORMS Journal on Computing, 26 (4), 809–824. doi:10.1287/ijoc.2014.0600 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
Multi-product Capacitated Single-Allocation Hub Location Problems : Formulations and Inequalities
2014. Networks and spatial economics, 14 (1), 1–25. doi:10.1007/s11067-013-9197-3 -
Dunke, F.
Online Optimization with Lookahead. PhD dissertation
2014. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000042132 -
Eichler, M.; Grothe, O.; Manner, H.; Tuerk, D.
Models for short-term forecasting of spike occurrences in Australian electricity markets: a comparative study
2014. The journal of energy markets, 7 (1), 55–81 -
Grothe, O.; Korniichuk, V.; Manner, H.
Modeling Multivariate Extreme Events Using Self-Exciting Point Processes
2014. Journal of econometrics, 182 (2), 269–289. doi:10.1016/j.jeconom.2014.03.011 -
Harms, N.; Kanzow, C.; Stein, O.
Smoothness properties of a regularized gap function for quasi-variational inequalities
2014. Optimization methods & software, 29 (4), 720–750. doi:10.1080/10556788.2013.841694 -
Kalcsics, J.; Nickel, S.; Pozo, M. A.; Puerto, J.; Rodríguez-Chía, A. M.
The multicriteria p-facility median location problem on networks
2014. European journal of operational research, 235 (3), 484–493. doi:10.1016/j.ejor.2014.01.003 -
Meinhardt, H. I.
The Pre-Kernel as a Tractable Solution for Cooperative Games : An Exercise in Algorithmic Game Theory
2014. Springer-Verlag -
Melo, M. T.; Nickel, S.; Saldanha-da-Gama, F.
An efficient heuristic approach for a multi-period logistics network redesign problem
2014. TOP, 22 (1), 80–108. doi:10.1007/s11750-011-0235-3 -
Moritz, L. N.
Target Value Criterion in Markov Decision Processes. PhD dissertation
2014. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000047288 -
Münnix, M. C.; Schäfer, R.; Grothe, O.
Estimating correlation and covariance matrices by weighting of market similarity
2014. Quantitative finance, 14 (5), 931–939. doi:10.1080/14697688.2011.605075 -
Rebennack, S.; Kallrath, J.
Continuous Piecewise Linear Delta-Approximations for Bivariate and Multivariate Functions
2014. Journal of optimization theory and applications, 167 (1), 102–117. doi:10.1007/s10957-014-0688-2 -
Rebennack, S.; Kallrath, J.
Continuous Piecewise Linear Delta-Approximations for Univariate Functions: Computing Minimal Breakpoint Systems
2014. Journal of optimization theory and applications, 167 (2), 617–643. doi:10.1007/s10957-014-0687-3 -
Reuter, M.; Rashid, A.; Nickel, S.
Modellierung und Planung von Dienstleistungen im Rettungswesen mit Verfahren des Operations Research
2014. Dienstleistungsmodellierung 2012. Hrsg.: O. Thomas, 291–304, Springer Fachmedien Wiesbaden. doi:10.1007/978-3-658-00863-5_14 -
Sahebi, H.; Nickel, S.; Ashayeri, J.
Strategic and tactical mathematical programming models within the crude oil supply chain context : A review
2014. Computers & chemical engineering, 68, 56–77, Elsevier. doi:10.1016/j.compchemeng.2014.05.008 -
Sahebi, H.; Nickel, S.; Ashayeri, J.
Environmentally conscious design of upstream crude oil supply chain
2014. Industrial and Engineering Chemistry Research, 53 (28), 11501–11511. doi:10.1021/ie403492c -
Stein, O.; Steuermann, P.
On smooth relaxations of obstacle sets
2014. Optimization and Engineering, 15 (1), 3–33. doi:10.1007/s11081-013-9224-8 -
Stein, O.; Sudermann-Merx, N.
On smoothness properties of optimal value functions at the boundary of their domain under complete convexity
2014. Mathematical Methods of Operations Research, 79 (3), 327–352. doi:10.1007/s00186-014-0465-x
2013
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Arnolds, I. V.; Nickel, S.; Reuter, M.
Anwendung von OR- Methoden für Planungsaufgaben in einer Strahlenklinik
2013. Management science : Modelle und Methoden zur quantitativen Entscheidungsunterstützung. Hrsg.: K. Armborst, 69–88, Verlag Dr. Kovač -
Arnolds, I. V.; Nickel, S.
Multi-period layout planning for hospital wards
2013. Socio-Economic Planning Sciences, 47 (3), 220–237. doi:10.1016/j.seps.2013.02.001 -
Blumentritt, T.; Grothe, O.
Ranking ranks: a ranking algorithm for bootstrapping from the empirical copula
2013. Computational statistics, 28 (2), 455–462. doi:10.1007/s00180-012-0310-8 -
Diehl, M.; Houska, B.; Stein, O.; Steuermann, P.
A lifting method for generalized semi-infinite programs based on lower level Wolfe duality
2013. Computational Optimization and Applications, 54 (1), 189–210. doi:10.1007/s10589-012-9489-4 -
Ebermann, E.
Simulation und Optimierung logistischer Prozesse in der Wärmebehandlung von Stahl. PhD dissertation
2013. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000032354 -
Essen, J. T. van; Hurink, J. L.; Nickel, S.; Reuter, M.
Models for ambulance planning on the strategic and the tactical level
2013. Technische Universität Eindhoven (TU Eindhoven) -
Fernandez, E.; Kalcsics, J.; Nickel, S.
The maximum dispersion problem
2013. Omega, 41 (4), 721–730. doi:10.1016/j.omega.2012.09.005 -
Grothe, O.
Jump Tail Dependence in Lévy Copula Models
2013. Extremes, 16 (3), 303–324. doi:10.1007/s10687-012-0162-1 -
Grothe, O.
A higher order correlation unscented Kalman filter
2013. Applied mathematics and computation, 219 (17), 9033–9042. doi:10.1016/j.amc.2013.03.019 -
Grothe, O.; Müsgens, F.
The influence of spatial effects on wind power revenues under direct marketing rules
2013. Energy policy, 58, 237–247. doi:10.1016/j.enpol.2013.03.004 -
Grothe, O.; Nicklas, S.
Vine Constructions of Lévy Copulas
2013. Journal of multivariate analysis, 119, 1–15. doi:10.1016/j.jmva.2013.04.002 -
Grothe, O.; Schnieders, J.; Segers, J.
Measuring association and dependence between random vectors
2013. Journal of multivariate analysis, 123, 96–110. doi:10.1016/j.jmva.2013.08.019 -
Hoffmann, R.
Dynamic Capacity Control in Air Cargo Revenue Management. PhD dissertation
2013. KIT Scientific Publishing. doi:10.5445/KSP/1000034020 -
Hoffmann, R.
Dynamic Capacity Control in Air Cargo Revenue Management. PhD dissertation
2013. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000033297 -
Lange, V.
Dynamische Kapazitätssteuerung in medizinischen Einrichtungen. PhD dissertation
2013. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000034245 -
Sahebishahemabadi, H.
Strategic and Tactical Crude Oil Supply Chain: Mathematical Programming Models. PhD dissertation
2013. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000039373 -
Sinske, M.
Robuste Portfolio-Optimierung. PhD dissertation
2013. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000036959 -
Waldmann, K.-H.; Stocker, U. M.
Stochastische Modelle : eine anwendungsorientierte Einführung
2013. Springer-Verlag
2012
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Albareda-Sambola, M.; Fernandez, E.; Nickel, S.
Multiperiod location-routing with decoupled time scales
2012. European Journal of Operational Research, 217 (2), 248–258. doi:10.1016/j.ejor.2011.09.022 -
Alumur, S. A.; Nickel, S.; Saldanha-da-Gama, F.
Hub location under uncertainty
2012. Transportation Research Part B: Methodological, 46 (4), 529–543. doi:10.1016/j.trb.2011.11.006 -
Alumur, S. A.; Nickel, S.; Saldanha-Da-Gama, F.; Verter, V.
Multi-period reverse logistics network design
2012. European Journal of Operational Research, 220 (1), 67–78. doi:10.1016/j.ejor.2011.12.045 -
Cardoso, T.; Oliveira, M. D.; Barbosa-Povoa, A.; Nickel, S.
Modeling the demand for long-term care services under uncertain information
2012. Health care management science, 15 (4), 385–412. doi:10.1007/s10729-012-9204-0 -
Dorsch, D.; Shikhman, V.; Stein, O.
Mathematical programs with vanishing constraints: critical point theory
2012. Journal of Global Optimization, 52 (3), 591–605. doi:10.1007/s10898-011-9805-z -
Dreves, A.; Kanzow, C.; Stein, O.
Nonsmooth optimization reformulations of player convex generalized Nash equilibrium problems
2012. Journal of Global Optimization, 53 (4), 587–614. doi:10.1007/s10898-011-9727-9 -
Drezner, Z.; Nickel, S.; Ziegler, H.-P.
Stochastic analysis of ordered median problems
2012. Journal of the Operational Research Society, 63 (11), 1578–1588. doi:10.1057/jors.2012.2 -
Ebermann, E.; Nickel, S.
Scheduling steel plates on a roller furnace
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-Verlag. doi:10.1007/978-3-642-29210-1_62 -
Grothe, O.; Schnieders, J.
Historische Analysen für Offshore-Windanlagen: Analyseverfahren mit Hilfe von Satellitendaten
2012. Emw, (4), online -
Melo, M. T.; Nickel, S.; Saldanha-Da-Gama, F.
A tabu search heuristic for redesigning a multi-echelon supply chain network over a planning horizon
2012. International Journal of Production Economics, 136 (1), 218–230. doi:10.1016/j.ijpe.2011.11.022 -
Nickel, S.; Saldanha-da-Gama, F.; Ziegler, H.-P.
A multi-stage stochastic supply network design problem with financial decisions and risk management
2012. Omega, 40 (5), 511–524. doi:10.1016/j.omega.2011.09.006 -
Nickel, S.; Schröder, M.; Steeg, J.
Mid-term and short-term planning support for home health care services
2012. European journal of operational research, 219 (3), 574–587. doi:10.1016/j.ejor.2011.10.042 -
Pallaschke, D.; RosenmŸller, J.
Cephoids: Duality and Reference Vectors
2012. Pacific Journal of Optimization, 8, 157–184 -
Shikhman, V.; Stein, O.
On jet-convex functions and their tensor products
2012. Optimization, 61 (6), 717–731. doi:10.1080/02331934.2011.619535 -
Sieb, P.
Strukturierte Behandlungssteuerung dynamischer Patientenprozesse. PhD dissertation
2012. Gabler Verlag -
Stein, O.
Twice Differentiable Characterizations of Convexity Notions for Functions on Full Dimensional Convex Sets
2012. Schedae Informaticae, 21, 55–63. doi:10.4467/20838476SI.12.004.0814 -
Stein, O.
How to solve a semi-infinite optimization problem
2012. European Journal of Operational Research, 223 (2), 312–320. doi:10.1016/j.ejor.2012.06.009 -
Stein, O.
Lifting mathematical programs with complementarity constraints
2012. Mathematical Programming, 131 (1-2), 71–94. doi:10.1007/s10107-010-0345-y -
Stein, O.; Steuermann, P.
The adaptive convexification algorithm for semi-infinite programming with arbitrary index sets
2012. Mathematical Programming, 136 (1), 183–207. doi:10.1007/s10107-012-0556-5 -
Stein, O.; Winterfeld, A.
Feasible method for generalized semi-infinite programming
2012. Journal of Optimization Theory and Applications, 146 (2), 419–443. doi:10.1007/s10957-010-9674-5 -
Ziegler, H.-P.
Algorithms for Linear Stochastic Programs and their Application in Supply Chain Network Design Problems. PhD dissertation
2012. Kovac
2011
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Astorino, A.; Gaudioso, M.; Gorgone, E.; Pallaschke, D.
Data preprocessing in semi-supervised SVM classification
2011. Optimization, 60 (1-2), 143–151. doi:10.1080/02331931003692557 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
Hub and spoke network design with single-assignment, capacity decisions and balancing requirements
2011. Applied mathematical modelling, 35 (10), 4841–4851. doi:10.1016/j.apm.2011.03.046 -
Gelareh, S.; Nickel, S.
Hub location problems in transportation networks
2011. Transportation research / E, 47 (6), 1092–1111. doi:10.1016/j.tre.2011.04.009 -
Grothe, O.; Schmid, F.
Kendall’s W reconsidered
2011. Communications in statistics / Simulation and computation, 40 (2), 285–305. doi:10.1080/03610918.2010.538791 -
Grothe, O.; Schnieders, J.
Spatial dependence in wind and optimal wind power allocation: a copula based analysis
2011. Energy policy, 39 (9), 4742–4754. doi:10.1016/j.enpol.2011.06.052 -
Grzybowski, J.; Nickel, S.; Pallaschke, D.; Urbanski, R.
Ordered Median Functions and Symmetries
2011. Optimization, 60 (7-9), 801–811 -
Grzybowski, J.; Pallaschke, D.; Przybycien, H.; Urbanski, R., Ryszard
Commutative Semigroups with Cancellation Law: A Representation Theorem
2011. Semigroup Forum, 83 (3), 447–456 -
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
Continuous piecewise linear functions on the octants of Rn
2011. Optimization, 60 (1-2), 101–112 -
Ralph, D.; Stein, O.
The C-Index: a new stability concept for quadratic programs with complementarity constraints
2011. Mathematics of Operations Research, 36 (3), 504–526. doi:10.1287/moor.1110.0501 -
Schuld, J.; Schäfer, T.; Nickel, S.; Jacob, P.; Schilling, M. K.; Richter, S.
Impact of IT-supported clinical pathways on medical staff satisfaction : A prospective longitudinal cohort study
2011. International journal of medical informatics, 80 (3), 151–156. doi:10.1016/j.ijmedinf.2010.10.012 -
Steuermann, H.-P.
Adaptive Algorithms for Semi-Infinite Programming with Arbitrary Index Sets. PhD dissertation
2011. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000023658
2010
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Beaudry, A.; Laporte, G.; Melo, T.; Nickel, S.
Dynamic transportation of patients in hospitals
2010. OR spectrum, 32 (1), 77–107. doi:10.1007/s00291-008-0135-6 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
Single-Allocation Hub Location Problems with Capacity Decisions and Balancing Requirements
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 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
Single-assignment hub location problems with multiple capacity levels
2010. Transportation research / B, 44 (8-9), 1047–1066. doi:10.1016/j.trb.2009.12.016 -
Correia, I.; Nickel, S.; Saldanha-da-Gama, F.
The capacitated single-allocation hub location problem revisited : A note on a classical formulation
2010. European journal of operational research, 207 (1), 92–96. doi:10.1016/j.ejor.2010.04.015 -
Fernandez, E.; Kalcsics, J.; Nickel, S.; Rios-Mercado, R. Z.
A novel maximum dispersion territory design model arising in the implementation of the WEEE-directive
2010. Journal of the Operational Research Society, 61 (3), 503–514. doi:10.1057/jors.2009.70 -
Gaudioso, M.; Gorgone, E.; Pallaschke, D.
Separation of Convex Sets by Clarke subdifferential
2010. Optimization, 59 (8), 1199–1210. doi:10.1080/02331930903085367 -
Gelareh, S.; Nickel, S.; Pisinger, D.
Liner shipping hub network design in a competitive environment
2010. Transportation research / E, 46 (6), 991–1004. doi:10.1016/j.tre.2010.05.005 -
Grothe, O.; Schmidt, R.
Scaling of Levy-Student processes
2010. Physica / A, 389 (7), 1455–1463. doi:10.1016/j.physa.2009.11.039 -
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
A Note on the Dual of the Minkowski-Radström-Hörmander Lattice
2010. Pacific Journal of Optimization, 6, 255–262 -
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
On the amount of minimal pairs of convex sets
2010. Optimization Methods and Software, 25, 89–96. doi:10.1080/10556780903187460 -
Grzybowski, J.; Pallaschke, D.; Urbanski, R.
Reduction of finite exhausters
2010. Journal of Global Optimization, 46, 589–601. doi:10.1007/s10898-009-9444-9 -
Heib, C.
Kostenorientierte Optimierung komplexer Fertigungssysteme mithilfe von Simulationsmodellen. PhD dissertation
2010. Shaker Verlag -
Hoffmann, R.
Dynamic Airline Fleet Assignment and Integrated Modeling
2010. Operations Research Proceedings 2010. Ed.: B. Hu, 635–640, Springer-Verlag -
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
Distribution systems design with role dependent objectives
2010. European journal of operational research, 202 (2), 491–501. doi:10.1016/j.ejor.2009.06.001 -
Kalcsics, J.; Nickel, S.; Puerto, J.; Rodriguez-Chia, A. M.
The ordered capacitated facility location problem
2010. Top, 18 (1), 203–222. doi:10.1007/s11750-009-0089-0 -
Kraus, K.; Nickel, S.; Richter, R.; Schilling, M. K.; Schmidt, U. A.; Schuld, J.
Klinische Behandlungspfade - Integration logistischer Planungsaufgaben
2010. Professional process, 2 (1), 12–15 -
Krebs, J.; Nickel, S.
Extensions to the continuous ordered median problem
2010. Mathematical Methods of Operations Research, 71 (2), 283–306. doi:10.1007/s00186-009-0296-3 -
Marin, A.; Nickel, S.; Velten, S.
An extended covering model for flexible discrete and equity location problems
2010. Mathematical Methods of Operations Research, 71 (1), 125–163. doi:10.1007/s00186-009-0288-3 -
Nickel, S.; Heib, C.
Performancevergleich zwischen simulationsbasierter Online- und Offline-Optimierung anhand von Scheduling-Problemen
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. doi:10.1007/978-3-642-14536-0_17 -
Pallaschke, D.; Rosenmüller, J.
Cephoids: Minkowski sums of de Gua simplexes
2010. Optimization, 59 (4), 515–540. doi:10.1080/02331930801951280 -
Pallaschke, D.; Urbanski, R.
Morse indexes for piecewise linear functions
2010. Nonlinear analysis and optimization. Vol 2: Optimization. Ed.: A. Leizarowitz, 213–223, Am. Math. Soc
2009
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Berman, O.; Kalcsics, J.; Krass, D.; Nickel, S.
The Ordered Gradual Covering Location Problem on a Network
2009. Discrete Applied Mathematics, 157 (18), 3689–3707. doi:10.1016/j.dam.2009.08.003 -
Drezner, Z.; Nickel, S.
Solving the ordered one-median problem in the plane
2009. European Journal of Operational Research (EJOR), 195 (1), 46–61 -
Drezner, Z.; Nickel, S.
Constructing a DC Decomposition for Ordered Median Problems
2009. Journal of Global Optimization, 45 (2), 187–201 -
Hamacher, H. W.; Nickel, S.
Multifacility and Restricted Location Problems
2009. Encyclopedia of Optimization. Ed.: C.A. Floudas, 2409–2413, Springer US. doi:10.1007/978-0-387-74759-0_414 -
Hanne, T.; Melo, T.; Nickel, S.
Bringing robustness to patient flow management through optimized patient transports in hospitals
2009. Interfaces, 39 (3), 241–255. doi:10.1287/inte.1080.0379 -
Jongen, H. T.; Stein, O.
Smoothing methods for semi-infinite optimization
2009. Encyclopedia of Optimization. Ed.: C. A. Floudas, 3617–3622, Springer US -
Lange, V.; Daduna, H.
On the Weber Problem in Logistic and Services Networks [Preprint]
2009. Universität Hamburg -
Marína, A.; Nickel, S.; Puertoc, J.; Velten, S.
A flexible model and efficient solution strategies for discrete location problems
2009. Discrete Applied Mathematics, 157 (5), 1128–1145 -
Nickel, S.; Melo, M. T.; Saldanha-da-Gama, F.
Facility location and supply chain management - A review
2009. European Journal of Operational Research (EJOR), 196 (2), 401–412 -
Nickel, S.; Saldanha-Da-Gama, F.
Logistics network design
2009. OR Spectrum, 31 (3), 461–463. doi:10.1007/s00291-009-0165-8 -
Nickel, S.; Schmidt, U.-A.
Process improvement in Hospitals: A case study in a radiology department
2009. Quality management in health care, 18 (4), 326–338. doi:10.1097/QMH.0b013e3181bee127 -
Shikhman, V.; Stein, O.
Constrained optimization: projected gradient flows
2009. Journal of Optimization Theory and Applications, 140 (1), 117–130 -
Stein, O.
Generalized semi-infinite programming
2009. Encyclopedia of Optimization, Part 7. Ed.: C. A. Floudas, 1227–1233, Springer US -
Stein, O.
Continuous reformulations of discrete-continuous optimization problems
2009. Encyclopedia of Optimization, Part 3. Ed.: C. A. Floudas, 493–501, Springer US -
Stein, O.
Adaptive convexification in semi-infinite optimization
2009. Encyclopedia of Optimization, Part 1. Ed.: C. A. Floudas, 13–19, Springer US -
Stein, O.; Tezel, A.
The semismooth approach for semi-infinite programming without strict complementarity
2009. SIAM Journal on Optimization, 20 (2), 1052–1072
2008
-
Gelareh, S.; Nickel, S.
A Benders Decomposition for Hub Location Problems Arising in Public Transport
2008. Operations research proceedings 2007: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR) Saarbrücken, 5.-7. September 2007. Ed.: J. Kalcsics, 129–134, Springer-Verlag -
Günzel, H.; Jongen, H. T.; Stein, O.
Generalized semi-infinite programming: on generic local minimizers
2008. Journal of Global Optimization, 42 (3), 413–421 -
Herrera, R.; Kalcsics, J.; Nickel, S.
Reliability Models for the Uncapacitated Facility Location Problem with User Preferences
2008. Operations research proceedings 2007: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR) Saarbrücken, 5.-7. September 2007. Ed.: J. Kalcsics, 135–140, Springer-Verlag -
Hinojosa, Y.; Kalcsics, J.; Nickel, S.; Puerto, J.; Velten, S.
Dynamicsupplychaindesign with inventory
2008. Computers & Operations Research, 35 (2), 373–391 -
Jongen, H. T.; Stein, O.
Smoothing by mollifiers. Part II: Nonlinear optimization
2008. Journal of Global Optimization, 41 (3), 335–350 -
Jongen, H. T.; Stein, O.
Smoothing by mollifiers. Part I: Semi-infinite optimization
2008. Journal of Global Optimization, 41 (3), 319–334 -
Kalcsics, J.
Operations Research Proceedings: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Saarbrücken, 5.-7. September 2007
2008. (S. Nickel, Ed.), Springer-Verlag -
Küfer, K.-H.; Stein, O.; Winterfeld, A.
Semi-infinite optimization meets industry: a deterministic approach to gemstone cutting
2008. SIAM News, 41 (8), 1438/1–3 -
Melo, T.; Nickel, S.; Saldanha da Gamma, F.
Network Design Decisions in Supply Chain Planning
2008. Optimization of Logistics Systems: Methods and Experiences. Symposium of the Collaborative Research Center 559 "Modelling of Large Logistics Networks", 15.-16. Nov. 2007, Dortmund, 19 S., Verlag Praxiswissen -
Nickel, S.; Velten, S.; Ziegler, H.-P.
Optimal Control Strategies for Incoming Inspections
2008. Operations research proceedings 2007: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR) Saarbrücken, 5.-7. September 2007. Ed.: J. Kalcsics, 43–48, Springer-Verlag -
Stein, O.; Flam, S. D.; Jongen, H. T.
Slopes of shadow prices and Lagrange multipliers
2008. Optimization letters, 2 (2), 143–155 -
Stein, O.; Guerra Vázquez, F.; Rückmann, J.-J.; Still, G.
Generalized semi-infinite programming: a tutorial
2008. Journal of Computational and Applied Mathematics, 217 (2), 394–419 -
Stein, O.; Günzel, H.; Jongen, H. T.
Generalized semi-infinite programming: the Symmetric Reduction Ansatz
2008. Optimization Letters, 2 (3), 415–424 -
Stein, O.; Tezel, A.
The semismooth approach for semi-infinite programming under the Reduction Ansatz
2008. Journal of Global Optimization, 41 (2), 245–266
2007
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Barz, C.; Waldmann, K.-H.
Risk-Sensitive Decision Support for Admission Control
2007. Business Intelligence: Methods and Applications. Essays in honor of Prof. Dr. Hans-J. Lenz. Ed.: V. Köppen, 165–174, Kovac -
Barz, C.; Waldmann, K.-H.
Risk-Sensitive Capacity Control in Revenue Management
2007. Mathematical Methods of Operations Research, 65 (3), 565–579 -
Floudas, C. A.; Stein, O.
The adaptive convexification algorithm: a feasible point method for semi-infinite programming
2007. SIAM Journal on Optimization, 18 (4), 1187–1208 -
Grothe, O.; Müller, C.; Gundolf, S.
Liquiditätsrisiken statt Preisrisiken: Steuerung von Clearingzahlungen bei Future-Portfolios
2007. Emw, (6), online -
Günzel, H.; Jongen, H. T.; Stein, O.
On the closure of the feasible set in generalized semi-infinite programming
2007. Central European Journal of Operations Research, 15 (3), 271–280 -
Nickel, S.; Schmidt, U.-A.
Krankenhauslogistik - Klinische Pfade und Terminplanung
2007. Erfolgsfaktor Arbeitszeit im Krankenhaus : Tagungsunterlagen zum Workshop im Rahmen des DFG-Projektes "Prozessoptimierung und effizienter Personaleinsatz im Krankenhausbereich - Gestaltung flexibler Arbeitszeitmodelle mit Hilfe der personalorientierten Simulation". Hrsg.: G. Zülch, 14–38, Universität Karlsruhe (TH)
2006
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Barz, C.; Waldmann, K.-H.
An Application of Markov Decision Processes to the Seat Inventory Control Problem
2006. Perspectives on Operations Research. Essays in Honor of Klaus Neuman. Ed.: M. Morlock, 113–128, Deutscher Universitätsverlag -
Boland, N.; Domínguez-Marín, P.; Nickel, S.; Puerto, J.
Exact Procedures for Solving the Discrete Ordered Median Problem
2006. Computers & Operations Research, 33 (11), 3270–3300 -
Deitmar, H.; Denz, C.; Eversloh, M.; Grothe, O.; Holtmann, F.; Krishnamachari, V. V.; Wördemann, M.
Echtzeitbestimmung von Geschwindigkeits- und Dichtefeldern in Mikroströmungen mit Hilfe optisch nichtlinearer Bildaufnahme
2006. Lasermethoden in der Strömungsmesstechnik : 14. Fachtagung, 5. - 7. September 2006, Physikalisch-Technische Bundesanstalt, Braunschweig. Hrsg.: D. Dopheide, 49/1–6, Deutschen Gesellschaft für Laser-Anemometrie -
Deitmar, H.; Denz, C.; Eversloh, M.; Grothe, O.; Holtmann, F.; Krishnamachari, V. V.; Wördemann, M.
Measurement of Density Changes in Fluid Flow by an Optical Nonlinear Filtering Technique
2006. 12th international symposium on flow visualization : September 10-14, 2006, Göttingen, Germany ; CD-Rom proceedings. Ed.: I. Grant, CD-ROM, Optimage Ltd -
Grothe, O.; Müller, C.; Müsgens, F.
Modellierung von Energiepreisrisiken durch Bindefristen bei öffentlichen Ausschreibungen
2006. Emw, (6), online -
Grothe, O.; Singer, H.
Bayesian Estimation of Volatility with Moment-Based Nonlinear Stochastic Filters
2006. Fernuniversität -
Guddat, J.; Neralic, L.; Stein, O.
Sensitivity analysis of the proportionate change of a subset of outputs or/and inputs in data envelopment analysis
2006. Mathematical Communications, 11, 187–201 -
Marín, A.; Nickel, S.; Puerto, J.; Velten, S.
A Flexible Model and Efficient Solution Strategies for Discrete Location Problems
2006. Operations research proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, 7.-9. September 2005. Ed.: H. D. Haasis Hrsg.: Hans-Dietrich Haasis, Herbert Kopfer und Jörn Schönberger, 349–354, Springer -
Melo, M. T.; Nickel, S.; Saldanha da Gama, F.
Dynamic multi-commodity capacitated facility location: A mathematical modeling framework for strategic supply chain planning
2006. Computers & Operations Research, 33 (1), 181–208 -
Potthast, D.; Waldmann, K.-H.
Einfluss von Basel II auf Unternehmensnachfolge und -rating
2006. Nachfolgerating: Rating als Chance für die Unternehmensnachfolge. Hrsg.: A.-K. Achleitner, 57–71, Gabler Verlag -
Stein, O.
On Karush-Kuhn-Tucker points for a smoothing method in semi-infinite optimization
2006. Journal of Computational Mathematics, 24 (6), 719–732 -
Velásquez, R.; Melo, T. M.; Nickel, S.
An LP-based Heuristic Approach for Strategic Supply Chain Design
2006. Operations research proceedings 2005: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Bremen, 7.-9. September 2005. Ed.: H. D. Haasis Hrsg.: Hans-Dietrich Haasis, Herbert Kopfer und Jörn Schönberger, 167–172, Springer-Verlag -
Waldmann, K.-H.
On Markov decision models with an absorbing set
2006. Decision theory and multi-agent planning. Ed.: G. Della Riccia, 145–163, Springer
2005
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Deitmar, H.; Denz, C.; Grothe, O.; Krishnamachari, V. V.
Novelty Filtering with a Photorefractive Lithium-Niobate Crystal
2005. Applied physics letters, 87 (7), Art. Nr. 071105. doi:10.1063/1.2007857 -
Domínguez-Marín, P.; Nickel, S.; Hansen, P.; Mladenovic, N.
Heuristic Procedures for Solving the Discrete Ordered Median Problem
2005. Annals of Operations Research, 136 (1), 145–173 -
Hinderer, K.; Waldmann, K.-H.
Algorithms for Countable State Markov Decision Models with an Absorbing Set
2005. SIAM Journal of Control and Optimization, 43 (4), 2109–2131 -
Kalcsics, J.; Nicke, S.; Schröder, M.
Towards a Unified Territory Design Approach - Applications, Algorithms and GIS Integration
2005. Fraunhofer ITWM -
Nickel, S.; Hanne, T.
A multiobjective evolutionary algorithm for scheduling and inspection planning in software development projects
2005. European Journal of Operational Research, 167 (3), 663–678 -
Nickel, S.; Puerto, J.; Rodríguez-Chía, A. M.
MCDM Location Problems
2005. Multiple criteria decision analysis: state of the art surveys. Hrsg.: J. Figueira, 761–787, Springer US -
Nickel, S.; Puerto, J.; Rodríguez-Chía, A. M.; Weissler, A.
Multicriteria Planar Ordered Median Problems
2005. Journal of Optimization Theory and Applications, 126 (3), 657–683 -
Nickel, S.; Velten, S.; Weimerskirch, G.
Strategische Supply-Chain Entscheidungen in der Stahlindustrie - eine Fallstudie
2005. Supply Chain Management und Logistik: Optimierung, Simulation, Decision Support. Hrsg.: H.-O. Günther, 157–177, Physica-Verl -
Stein, O.; Winkler, M.
Amorphous molecular beam epitaxy: Global solutions and absorbing sets
2005. European Journal of Applied Mathematics, 16 (6), 767–798. doi:10.1017/S0956792505006315 -
Waldmann, K.-H.
On Variability of Optimal Policies in Markov Decision Processes
2005. Data Analysis and Decision Support. Ed.: D. Baier, 177–185, Springer-Verlag