Items where Author is "Ehrgott, Matthias"

Journal Article

Petropoulos, Fotios and Laporte, Gilbert and Archetti, Claudia and Ayhan, Hayriye and Battarra, Maria and Bennell, Julia A. and Boylan, John E. and Breton, Michèle and Canca, David and Charlin, Laurent and Chen, Bo and Cicek, Cihan Tugrul and Jr, Louis Anthony Cox and Currie, Christine S. M. and Demeulemeester, Erik and Ding, Li and Disney, Stephen M. and Ehrgott, Matthias and Eppler, Martin J. and Erdoğan, Güneş and Fortz, Bernard and Franco, L. Alberto and Frische, Jens and Greco, Salvatore and Gregory, Amanda J. and Hämäläinen, Raimo P. and Herroelen, Willy and Hewitt, Mike and Holmström, Jan and Hooker, John N. and Işık, Tuğçe and Johnes, Jill and Kara, Bahar Y. and Karsu, Özlem and Kent, Katherine and Köhler, Charlotte and Kunc, Martin and Kuo, Yong-Hong and Lienert, Judit and Letchford, Adam N. and Leung, Janny and Li, Dong and Li, Haitao and Ljubić, Ivana and Lodi, Andrea and Lozano, Sebastián and Lurkin, Virginie and Martello, Silvano and McHale, Ian G. and Midgley, Gerald and Morecroft, John D. W. and Mutha, Akshay and Oğuz, Ceyda and Petrovic, Sanja and Pferschy, Ulrich and Psaraftis, Harilaos N. and Rose, Sam and Saarinen, Lauri and Salhi, Said and Song, Jing-Sheng and Sotiros, Dimitrios and Stecke, Kathryn E. and Strauss, Arne K. and Tarhan, İstenç and Thielen, Clemens and Toth, Paolo and Berghe, Greet Vanden and Vasilakis, Christos and Vaze, Vikrant and Vigo, Daniele and Virtanen, Kai and Wang, Xun and Weron, Rafał and White, Leroy and Woensel, Tom Van and Yearworth, Mike and Yıldırım, E. Alper and Zaccour, Georges and Zhao, Xuying (2024) Operational research: methods and applications. Journal of the Operational Research Society, 75 (3). pp. 423-617. ISSN 0160-5682

Deb, Kalyanmoy and Ehrgott, Matthias (2023) On Generalized Dominance Structures for Multi-Objective Optimization. Mathematical and Computational Applications, 28 (5): 100. ISSN 2297-8747

Jauny and Ghosh, Debdas and Ansari, Qamrul Hasan and Ehrgott, Matthias and Upadhayay, Ashutosh (2023) An infeasible interior-point technique to generate the nondominated set for multiobjective optimization problems. Computers and Operations Research, 155: 106236. ISSN 0305-0548

Reynolds, Edwin and Ehrgott, Matthias and Wang, Judith Y.T. (2023) An evaluation of the fairness of railway timetable rescheduling in the presence of competition between train operators. Journal of Rail Transport Planning & Management, 26: 100389. ISSN 2210-9706

Wang, Judith Y. T. and Wu, Zhengyu and Kang, Yating and Brown, Edward and Wen, Mengfan and Rushton, Christopher and Ehrgott, Matthias (2023) Walking school bus line routing for efficiency, health and walkability : A multi‐objective optimisation approach. Journal of Multi-Criteria Decision Analysis, 30 (3-4). pp. 109-131. ISSN 1057-9214

Ehrgott, Matthias and Engau, Alexander and Wiecek, Margaret M. (2022) Theory, computation, and practice of multiobjective optimisation. Annals of Operations Research, 319 (2). pp. 1477-1478. ISSN 0254-5330

Boriwan, Pornpimon and Ehrgott, Matthias and Kuroiwa, Daishi and Petrot, Narin (2020) The Lexicographic Tolerable Robustness Concept for Uncertain Multi-Objective Optimization Problems : A Study on Water Resources Management. Sustainability, 12 (18): 7582. ISSN 2071-1050

Gadegaard, Sune Lauth and Nielsen, Lars Relund and Ehrgott, Matthias (2019) Bi-objective branch-and-cut algorithms based on LP-relaxation and bound sets. INFORMS Journal on Computing, 31 (4). pp. 790-804. ISSN 1091-9856

Baatar, Davaatseren and Ehrgott, Matthias and Hamacher, Horst W. and Raschendorfer, Ines M (2018) Minimizing the number of apertures in multileaf collimator sequencing with field splitting. Discrete Applied Mathematics, 250. pp. 87-103. ISSN 0166-218X

Wang, Judith Y. T. and Dirks, Kim N. and Ehrgott, Matthias and Pearce, Jon and Cheung, Alan K. L. (2018) Supporting healthy route choice for commuter cyclists : The trade-off between travel time and pollutant dose. Operations Research for Health Care, 19. pp. 156-164. ISSN 2211-6923

Ehrgott, Matthias and Holder, Allen and Nohadani, Omid (2018) Uncertain Data Envelopment Analysis. European Journal of Operational Research, 268 (1). pp. 231-242. ISSN 0377-2217

Lin, Kuan-Min and Ehrgott, Matthias (2018) Multiobjective navigation of external radiotherapy plans based on clinical criteria. Journal of Multi-Criteria Decision Analysis, 25 (1-2). pp. 31-41. ISSN 1057-9214

Cabrera G., Guillermo and Ehrgott, Matthias and Mason, Andrew and Raith, Andrea (2018) A matheuristic approach to solve the multi-objective beam angle optimisation problem in intensity modulated radiation therapy. International Transactions in Operational Research, 25 (1). pp. 243-268. ISSN 0969-6016

Wang, Judith Y. T. and Ehrgott, Matthias (2018) A three-objective user equilibrium model : Time surplus maximisation under uncertainty. Journal of Multi-Criteria Decision Analysis, 25 (1-2). pp. 3-15. ISSN 1057-9214

Liu, Zhengliang and Ehrgott, Matthias (2018) Primal and Dual Algorithms for Optimization over the Efficient Set. Optimization, 67 (10). pp. 1661-1686. ISSN 0233-1934

Simpson, John and Raith, Andrea and Rouse, Paul and Ehrgott, Matthias (2017) Considerations for using data envelopment analysis for the assessment of radiotherapy treatment plan quality. International Journal of Health Care Quality Assurance, 30 (8). pp. 703-716. ISSN 0952-6862

Ehrgott, Matthias and Ljubić, Ivana and Parragh, Sophie N. (2017) Feature cluster : recent advances in exact methods for multi-objective optimisation. European Journal of Operational Research, 260 (3). pp. 805-806. ISSN 0377-2217

Phillips, Antony E. and Walker, Cameron G. and Ehrgott, Matthias and Ryan, David M. (2017) Integer programming for minimal perturbation problems in university course timetabling. Annals of Operations Research, 252 (2). pp. 283-304. ISSN 0254-5330

Bökler, Fritz and Ehrgott, Matthias and Morris, Christopher and Mutzel, Petra (2017) Output-sensitive complexity of multiobjective combinatorial optimization. Journal of Multi-Criteria Decision Analysis, 24 (1-2). pp. 25-36. ISSN 1057-9214

Lin, Kuan-Min and Ehrgott, Matthias and Raith, Andrea (2016) Integrating column generation in a method to compute a discrete representation of the non-dominated set of multi-objective linear programmes. 4OR: A Quarterly Journal of Operations Research. ISSN 1619-4500

Shao, Lizhen and Ehrgott, Matthias (2016) Discrete representation of non-dominated sets in multi-objective linear programming. European Journal of Operational Research, 255 (3). pp. 687-698. ISSN 0377-2217

Allmendinger, Richard and Ehrgott, Matthias and Gandibleux, Xavier and Geiger, Martin Josef and Klamroth, Kathrin and Luque, Mariano (2016) Navigation in multiobjective optimization methods. Journal of Multi-Criteria Decision Analysis, 24 (1-2). pp. 57-70. ISSN 1057-9214

Shao, Lizhen and Ehrgott, Matthias (2016) Primal and dual multi-objective linear programming algorithms for linear multiplicative programmes. Optimization, 65 (2). pp. 415-431. ISSN 0233-1934

Perederieieva, Olga and Ehrgott, Matthias and Raith, Andrea and Wang, Judith Y. T. (2016) Numerical stability of path-based algorithms for traffic assignment. Optimization Methods and Software, 31 (1). pp. 53-67. ISSN 1055-6788

Turner, Lara and Ehrgott, Matthias and Hamacher, Horst W. (2015) On the generality of the greedy algorithm for solving matroid base problems. Discrete Applied Mathematics, 195. pp. 114-128. ISSN 0166-218X

Ehrgott, Matthias and Wang, Judith Y. T. and Watling, David P. (2015) On multi-objective stochastic user equilibrium. Transportation Research Part B: Methodological, 81 (3). pp. 704-717. ISSN 0191-2615

Moradi, Siamak and Raith, Andrea and Ehrgott, Matthias (2015) A bi-objective column generation algorithm for the multi-commodity minimum cost flow problem. European Journal of Operational Research, 244 (2). pp. 369-378. ISSN 0377-2217

Perderieieva, Olga and Ehrgott, Matthias and Raith, Andrea and Wang, Judith Y.T. (2015) A framework for and empirical study of algorithms for traffic assignment. Computers and Operations Research, 54. pp. 90-107. ISSN 0305-0548

Philips, Antony E. and Waterer, Hamish and Ehrgott, Matthias and Ryan, David M. (2015) Integer programming methods for large-scale practical classroom assignment problems. Computers and Operations Research, 53. pp. 42-53. ISSN 0305-0548

Tam, Bassy and Ryan, David and Ehrgott, Matthias (2014) Multi-objective approaches to the unit crewing problem in airline crew scheduling. Journal of Multi-Criteria Decision Analysis, 21 (5-6). pp. 257-277. ISSN 1057-9214

Ehrgott, Matthias and Ide, Jonas and Schoebel, Anita (2014) Minmax robustness for multi-objective optimization problems. European Journal of Operational Research, 239 (1). pp. 17-31. ISSN 0377-2217

Raith, Andrea and Wang, Judith Y. T. and Ehrgott, Matthias and Mitchell, Stuart A. (2014) Solving multi-objective traffic assignment. Annals of Operations Research, 222 (1). pp. 483-516. ISSN 0254-5330

Eusébio, Augusto and Figueira, José Rui and Ehrgott, Matthias (2014) On finding representative non-dominated points for bi-objective integer network flow problems. Computers and Operations Research, 48. pp. 1-10. ISSN 0305-0548

Wang, Judith Y. T. and Ehrgott, Matthias and Chen, Anthony (2014) A bi-objective user equilibrium model of travel time reliability in a road network. Transportation Research Part B: Methodological, 66. pp. 4-15. ISSN 0191-2615

Wang, Judith Y. T. and Ehrgott, Matthias and Dirks, Kim N. and Abhishek, Gupta (2014) A bilevel multi-objective road pricing model for economic, environmental and health sustainability. Transportation Research Procedia, 3. pp. 393-402. ISSN 2352-1465

Cabrera G., Guillermo and Ehrgott, Matthias and Mason, Andrew and Philpott, Andy (2014) Multi-objective optimisation of positively homogeneous functions and an application in radiation therapy. Operations Research Letters, 42 (4). pp. 268-272. ISSN 0167-6377

Shao, Lizhen and Ehrgott, Matthias (2014) An objective space cut and bound algorithm for convex multiplicative programmes. Journal of Global Optimization, 58 (4). pp. 711-728. ISSN 0925-5001

Ehrgott, Matthias and Holder, Allen (2014) Operations research methods for optimization in radiation oncology. Journal of Radiation Oncology Informatics, 6 (1). pp. 1-41.

Wang, Judith Y. T. and Ehrgott, Matthias (2013) Modelling route choice behaviour in a tolled road network with a time surplus maximisation bi-objective user equilibrium model. Transportation Research Part B: Methodological, 57. pp. 342-360. ISSN 0191-2615

Lin, Kuan-Min and Simpson, John and Sasso, Giuseppe and Raith, Andrea and Ehrgott, Matthias (2013) Quality assessment for VMAT prostate radiotherapy planning based on data envelopment analysis. Physics in Medicine and Biology, 58 (16). pp. 5753-5769. ISSN 1361-6560

Gupta, Abhishek and Kelly, Piaras A. and Ehrgott, Matthias and Bickerton, Simon (2013) A surrogate model based evolutionary game-theoretic approach for optimizing non-isothermal compression RTM processes. Composites Science and Technology, 84. pp. 92-100. ISSN 0266-3538

Lusby, Richard M. and Larsen, Jesper and Ehrgott, Matthias and Ryan, David M. (2013) A set packing inspired method for real-time junction train routing. Computers and Operations Research, 40 (3). pp. 713-724. ISSN 0305-0548

Ehrgott, Matthias and Wang, Judith Y.t. and Raith, Andrea and Van Houtte, Chris (2012) A bi-objective cyclist route choice model. Transportation Research Part A: Policy and Practice, 46 (4). pp. 652-663. ISSN 0965-8564

Ehrgott, Matthias and Löhne, Andreas and Shao, Lizhen (2012) A dual variant of Benson’s outer approximation algorithm for multiple objective linear programming. Journal of Global Optimization, 52 (4). pp. 757-778. ISSN 0925-5001

Lusby, Richard M. and Larsen, Jesper and Ehrgott, Matthias and Ryan, David (2011) Railway track allocation: models and methods. OR Spectrum, 33 (4). pp. 843-883. ISSN 0171-6468

Ehrgott, Matthias and Shao, Lizhen and Schöbel, Anita (2011) An approximation algorithm for convex multi-objective programming problems. Journal of Global Optimization, 50 (3). pp. 397-416. ISSN 0925-5001

Lusby, Richard M. and Larsen, Jesper and Ryan, David and Ehrgott, Matthias (2011) Routing Trains Through Railway Junctions: A New Set-Packing Approach. Transportation Science, 45 (2). pp. 228-245. ISSN 0041-1655

Babarenda Gamage, Thiranja P. and Rajagopal, Vijayaraghavan and Ehrgott, Matthias and Nash, Martyn P. and Nielsen, Poul M. F. (2011) Identification of mechanical properties of heterogeneous soft bodies using gravity loading. International Journal for Numerical Methods in Biomedical Engineering, 27 (3). pp. 391-407. ISSN 2040-7939

Tam, Bassy and Ehrgott, Matthias and Ryan, David and Zakeri, Golbon (2011) A comparison of stochastic programming and bi-objective optimisation approaches to robust airline crew scheduling. OR Spectrum, 33 (1). pp. 49-75. ISSN 0171-6468

Raith, Andrea and Ehrgott, Matthias (2011) On vector equilibria, vector optimisation and vector variational inequalities. Journal of Multi-Criteria Decision Analysis, 18 (1-2). pp. 39-54. ISSN 1057-9214

Lusby, Richard M. and Larsen, Jesper and Ehrgott, Matthias and Ryan, David (2010) An exact method for the double TSP with multiple stacks. International Transactions in Operational Research, 17 (5). pp. 637-652. ISSN 0969-6016

Przybylski, Anthony and Gandibleux, Xavier and Ehrgott, Matthias (2010) A two phase method for multi-objective integer programming and its application to the assignment problem with three objectives. Discrete Optimization, 7 (3). pp. 149-165. ISSN 1572-5286

Weide, Oliver and Ryan, David and Ehrgott, Matthias (2010) An iterative approach to robust and integrated aircraft routing and crew scheduling. Computers and Operations Research, 37 (5). pp. 833-844. ISSN 0305-0548

Ehrgott, Matthias and Güler, Çiğdem and Hamacher, Horst W. and Shao, Lizhen (2010) Mathematical optimization in intensity modulated radiation therapy. Annals of Operations Research, 175 (1). pp. 309-365. ISSN 0254-5330

Ehrgott, Matthias and Tind, Jørgen (2009) Column generation with free replicability in DEA. Omega: The International Journal of Management Science, 37 (5). pp. 943-950. ISSN 0305-0483

Eusébio, Augusto and Figueira, José Rui and Ehrgott, Matthias (2009) A primal–dual simplex algorithm for bi-objective network flow problems. 4OR: A Quarterly Journal of Operations Research, 7 (3). pp. 255-273. ISSN 1619-4500

Raith, Andrea and Ehrgott, Matthias (2009) A two-phase algorithm for the biobjective integer minimum cost flow problem. Computers and Operations Research, 36 (6). pp. 1945-1954. ISSN 0305-0548

Pretolani, Daniele and Nielsen, Lars Relund and Andersen, Kim Allan and Ehrgott, Matthias (2009) Time-adaptive and history-adaptive multicriterion routing in stochastic, time-dependent networks. Operations Research Letters, 37 (3). pp. 201-205. ISSN 0167-6377

Raith, Andrea and Ehrgott, Matthias (2009) A comparison of solution strategies for biobjective shortest path problems. Computers and Operations Research, 36 (4). pp. 1299-1331. ISSN 0305-0548

Ehrgott, Matthias and Waters, Chris and Kasimbeyli, Refail and Ustun, Ozden (2009) Multiobjective Programming and Multiattribute Utility Functions in Portfolio Optimization. Information Systems and Operational Research, 47 (1). pp. 31-42. ISSN 0315-5986

Shao, Lizhen and Ehrgott, Matthias (2008) Approximating the nondominated set of an MOLP by approximately solving its dual problem. Mathematical Methods of Operational Research, 68 (3). pp. 469-492. ISSN 1432-2994

Shao, Lizhen and Ehrgott, Matthias (2008) Approximately solving multiobjective linear programmes in objective space and an application in radiotherapy treatment planning. Mathematical Methods of Operational Research, 68 (2). pp. 257-276. ISSN 1432-2994

Ehrgott, Matthias and Güler, Çiğdem and Hamacher, Horst W. and Shao, Lizhen (2008) Mathematical optimization in intensity modulated radiation therapy. 4OR: A Quarterly Journal of Operations Research, 6 (3). pp. 199-262. ISSN 1619-4500

Ehrgott, Matthias and Winz, Ines (2008) Interactive decision support in radiation therapy treatment planning. OR Spectrum, 30 (2). pp. 311-329. ISSN 0171-6468

Ehrgott, Matthias and Holder, Allen and Reese, Josh (2008) Beam selection in radiotherapy design. Linear Algebra and its Applications, 428 (5-6). pp. 1272-1312. ISSN 0024-3795

Ehrgott, Matthias (2008) Multiobjective optimization. Ai Magazine, 29 (4). pp. 47-57. ISSN 0738-4602

Przybylski, Anthony and Gandibleux, Xavier and Ehrgott, Matthias (2008) Two-phase algorithms for the bi-objective assignment problem. European Journal of Operational Research, 185 (2). pp. 509-533. ISSN 0377-2217

Contribution in Book/Report/Proceedings

Stubington, Emma and Ehrgott, Matthias and Glyn, Shentall and Nohadani, Omid (2018) Evaluating the Quality of Radiotherapy Treatment Plans for Prostate Cancer. In: Cases based on Multiple Criteria Decision Making/Aiding methods : Building and Solving Decision Models with Computer Implementations. International Series in Operations Research & Management Science . Springer, pp. 41-66. ISBN 9783319993034

Wiecek, Margaret M. and Ehrgott, Matthias and Engau, Alexander (2016) Continuous multiobjective programming. In: Multiple criteria decision analysis : state of the art surveys. International Series in Operations Research & Management Science (2nd). Springer, New York, pp. 739-815. ISBN 9781493930937

Ehrgott, Matthias and Gandibleux, Xavier and Przybylski, Anthony (2016) Exact methods for multi-objective combinatorial optimisation. In: Multiple criteria decision analysis : state of the art surveys. International Series in Operations Research and Management Science (2nd). Springer, New York, pp. 817-850. ISBN 9781493930937

Ehrgott, Matthias and Gandibleux, Xavier (2014) Multi-objective combinatorial optimization : concepts, exact algorithms, and metaheuristics. In: Fixed point theory, variational analysis, and optimization :. CRC Press, Boca Raton, pp. 307-341. ISBN 9781482222074

Ehrgott, Matthias (2012) Vilfredo Pareto and multi-objective optimization. In: Optimization stories : 21st International Symposium on Mathematical Programming, Berlin, August 19 - 24, 2012. Documenta mathematica . UNSPECIFIED, Bielefeld, pp. 447-453. ISBN 9783936609585

Przybylski, A and Gandibleux, X and Ehrgott, Matthias (2011) The two-phase method for multiobjective combinatorial optimization problems. In: Progress in combinatorial optimization :. ISTE Wiley, London, pp. 559-596. ISBN 9781848212060

Ehrgott, Matthias (2010) Single-search-based heuristics for multiobjective optimization. In: Wiley encyclopedia of operations research and management science :. John Wiley & Sons, Hoboken, N.J.. ISBN 9780470400531

Ehrgott, Matthias and Hamacher, Horst W. and Nußbaum, Marc (2008) Decomposition of matrices and static multileaf collimators: a survey. In: Optimization in medicine :. Springer Optimization and Its Applications . Springer, New York, pp. 22-46. ISBN 978-0-387-73298-5

Ehrgott, Matthias and Gandibleux, Xavier (2008) Hybrid Metaheuristics for Multi-objective combinatorial optimization. In: Hybrid Metaheuristics : An Emerging Approach to Optimization. Studies in Computational Intelligence . Springer, Berlin, pp. 221-259. ISBN 978-3-540-78294-0

Acosta, A. and Ehrgott, Matthias and Holder, Allen and Nevin, D. and Reese, Josh and Salter, B. (2008) The Influence of Dose Grid Resolution on Beam Selection Strategies in Radiotherapy Treatment Design. In: Optimization in medicine :. Springer series in optimization and its applications . Springer, New York, pp. 25-46. ISBN 978-0-387-73298-5

Stewart, Theodor and Bandte, Oliver and Braun, Heinrich and Chakraborti, Nirupam and Ehrgott, Matthias and Göbelt, Mathias and Jin, Yaochu and Nakayama, Hirotaka and Poles, Silvia and Di Stefano, Danilo (2008) Real-World Applications of Multiobjective Optimization. In: Multiobjective Optimization : Interactive and Evolutionary Approaches. Lecture Notes in Computer Science . Springer, Berlin, pp. 285-327. ISBN 978-3-540-88907-6

Contribution to Conference

Ahmed, Leena and Ehrgott, Matthias and Kheiri, Ahmed and Wang, Judith Y.T. (2024) A Multi-Objective Approach to Walking School Bus Route Design : Integrating Optimisation and Instance Generation. In: Multi Criteria Desicion Modelling (MCDM 2024), 2024-06-01 - 2024-06-08, Hammamet, Tunisia.

Ahmed, Leena and Wang, Judith Y.T. and Ehrgott, Matthias (2023) A Mathematical Programming Formulation for the Walk to School Bus : Bradford Case Study. In: 4th IMA and OR Society Conference on Mathematics of Operational Research, 2023-04-27 - 2023-04-28, Conference Aston. (In Press)

Thesis

Reynolds, Edwin and Ehrgott, Matthias and Maher, Stephen J. and Wang, Judith Y.T. (2021) Modelling, solution and evaluation techniques for Train Timetable Rescheduling via optimisation. PhD thesis, Lancaster University.

Stubington, Emma and Ehrgott, Matthias and Nohadani, Omid (2020) Evaluating the quality of radiotherapy treatment plans with uncertainty using data envelopment analysis. PhD thesis, Lancaster University.

Lin, Kuan-Min and Ehrgott, Matthias (2016) Managing radiotherapy treatment trade-offs using multi-criteria optimisation and data envelopment analysis. PhD thesis, Lancaster University.

Liu, Zhengliang and Ehrgott, Matthias (2016) Optimisation over the non-dominated set of a multi-objective optimisation problem. PhD thesis, Lancaster University.