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Universität Siegen
Lehrstuhl für Betriebswirtschaftslehre insb. Technologiemanagement
Prof. Dr. Ulf Lorenz
Unteres Schloß 3
Universität Siegen
57072 Siegen
Lageplan
© Universitätsbibliothek Siegen
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Publikationen Prof. Dr. Lorenz
| 2021 |
| C. Reintjes and U. Lorenz. Algorithm-driven optimization of support-free truss-like structures in early-stage design for additive manufacturing. PAMM, 20(1):e202000204, 2021. [ DOI | arXiv | http ] |
| M. Hartisch, C. Reintjes, T. Marx, and U. Lorenz. Robust topology optimization of truss-like space structures. In P. F. Pelz and P. Groche, editors, Uncertainty in Mechanical Engineering, pages 296--306, Cham, 2021. Springer International Publishing. [ DOI ] |
| C. Reintjes, J. Reuter, M. Hartisch, U. Lorenz, and B. Engel. Towards cad-based mathematical optimization for additive manufacturing -- designing forming tools for tool-bound bending. In P. F. Pelz and P. Groche, editors, Uncertainty in Mechanical Engineering, pages 12--22, Cham, 2021. Springer International Publishing. [ DOI ] |
| 2020 |
| J. B. Weber, M. Hartisch, A. D. Herbst, and U. Lorenz. Towards an algorithmic synthesis of thermofluid systems. Optimization and Engineering, Special Issue in Technical Operations Research, 2020. [ DOI ] |
| M. Hartisch and U. Lorenz. A novel application for game tree search - exploiting pruning mechanisms for quantified integer programs. In T. Cazenave, J. van den Herik, A. Saffidine, and I.-C. Wu, editors, 16th International Conference on Advances in Computer Games, ACG 2019, pages 66--78, Cham, 2020. Springer International Publishing. [ DOI ] |
| M. Hartisch and U. Lorenz. Robust multistage optimization with decision-dependent uncertainty. In Operations Research Proceedings 2019, pages 439--445. Springer, 2020. [ DOI ] |
| C. Reintjes, M. Hartisch, and U. Lorenz. Support-free lattice structures for extrusion-based additive manufacturing processes via mixed-integer programming. In Operations Research Proceedings 2019, pages 465--471. Springer, 2020. [ DOI ] |
| J. B. Weber, M. Hartisch, and U. Lorenz. Optimized design of thermofluid systems using the example of mold cooling in injection molding. In Operations Research Proceedings 2019, pages 473--480. Springer, 2020. [ DOI ] |
| C. Reintjes and U. Lorenz. Bridging mixed integer linear programming for truss topology optimization and additive manufacturing. Optimization and Engineering, 2020. [ DOI ] |
| 2019 |
| C. Reintjes, M. Hartisch, and U. Lorenz. Design and optimization for additive manufacturing of cellular structures using linear optimization. In Operations Research Proceedings 2018, pages 371--377. Springer, 2019. [ DOI ] |
| M. Hartisch and U. Lorenz. Mastering uncertainty: Towards robust multistage optimization with decision dependent uncertainty. In 16th Pacific Rim International Conference on Artificial Intelligence, PRICAI 2019, pages 446--458. Springer, 2019. [ DOI ] |
| J. B. Weber and U. Lorenz. Modeling thermofluid systems: An approach customized for optimization. In Operations Research Proceedings 2018, pages 387--393. Springer, 2019. |
| C. Reintjes and U. Lorenz. Mixed integer optimization for truss topology design problems as a design tool for am components. In International Conference on Simulation for Additive Manufacturing, volume 2, pages 193--204, 2019. |
| 2018 |
| M. Hartisch, A. Herbst, U. Lorenz, and J. Weber. Towards resilient process networks-designing booster stations via quantified programming. In Applied Mechanics and Materials, volume 885, pages 199--210. Trans Tech Publ, 2018. [ DOI ] |
| J. B. Weber and U. Lorenz. Algorithmic system design of thermofluid systems. In International Conference on Engineering Optimization, Special Issue in Technical Operations Research, pages 132--143. Springer, 2018. |
| C. Reintjes, M. Hartisch, and U. Lorenz. Lattice structure design with linear optimization for additive manufacturing as an initial design in the field of generative design. In Operations Research Proceedings 2017, pages 451--457. Springer, 2018. |
| 2017 |
| T. Ederer, M. Hartisch, U. Lorenz, T. Opfer, and J. Wolf. Yasol: An open source solver for quantified mixed integer programs. In 15th International Conference on Advances in Computer Games, ACG 2017, pages 224--233, 2017. [ DOI | http ] |
| J. B. Weber and U. Lorenz. Optimizing booster stations. In Proceedings of the Genetic and Evolutionary Computation Conference Companion, pages 1303--1310, 2017. |
| L. C. Altherr, T. Ederer, C. Schänzle, U. Lorenz, and P. F. Pelz. Algorithmic system design using scaling and affinity laws. In Operations Research Proceedings 2015, pages 605--611. Springer, 2017. |
| 2016 |
| M. Hartisch, T. Ederer, U. Lorenz, and J. Wolf. Quantified integer programs with polyhedral uncertainty set. In 9th International Conference on Computers and Games, CG 2016, pages 156--166, 2016. [ DOI | www: ] |
| L. C. Altherr, T. Ederer, U. Lorenz, P. F. Pelz, and P. Pöttgen. Experimental validation of an enhanced system synthesis approach. In Operations Research Proceedings 2014, pages 1--7. Springer, 2016. |
| L. C. Altherr, T. Ederer, U. Lorenz, P. F. Pelz, and P. Pöttgen. Designing a feedback control system via mixed-integer programming. In Operations Research Proceedings 2014, pages 121--127. Springer, 2016. |
| P. Pöttgen, T. Ederer, L. Altherr, U. Lorenz, and P. F. Pelz. Examination and optimization of a heating circuit for energy-efficient buildings. Energy Technology, 4(1):136--144, 2016. |
| 2015 |
| L. C. Altherr, T. Ederer, P. Pöttgen, U. Lorenz, and P. F. Pelz. Multicriterial optimization of technical systems considering multiple load and availability scenarios. In Applied Mechanics and Materials, volume 807, pages 247--256. Trans Tech Publ, 2015. |
| U. Lorenz and J. Wolf. Solving multistage quantified linear optimization problems with the alpha--beta nested benders decomposition. EURO Journal on Computational Optimization, 3(4):349--370, 2015. |
| C. Schänzle, L. C. Altherr, T. Ederer, U. Lorenz, and P. F. Pelz. As good as it can be—ventilation system design by a combined scaling and discrete optimization method. Proceedings of the FAN, 2015. |
| 2014 |
| P. F. Pelz, U. Lorenz, and G. Ludwig. Besser geht’s nicht. TOR plant das energetisch optimale Fluidsystem, Chemie and more, 1, 2014. |
| P. Pelz, U. Lorenz, T. Ederer, M. Metzler, and P. Pöttgen. Global system optimization and scaling for turbo systems and machines. ISROMAC-15, Honolulu, USA, 2014. |
| T. Ederer, U. Lorenz, and T. Opfer. Quantified combinatorial optimization. In Operations Research Proceedings 2013, pages 121--128. Springer, 2014. |
| 2013 |
| U. Lorenz, T. Opfer, and J. Wolf. Solution techniques for quantified linear programs and the links to gaming. In International Conference on Computers and Games, pages 110--124. Springer, 2013. |
| 2012 |
| P. Groche, M. Kraft, S. Schmitt, S. Calmano, U. Lorenz, and T. Ederer. Control of uncertainties in metal forming by applications of higher flexibility dimensions. In Applied Mechanics and Materials, volume 104, pages 83--93. Trans Tech Publ, 2012. |
| J. Avemann, S. Schmitt, T. Ederer, U. Lorenz, and P. Groche. Analysis of market demand parameters for the evaluation of flexibility in forming technology. In Enabling Manufacturing Competitiveness and Economic Sustainability, pages 458--463. Springer, 2012. |
| 2011 |
| E. Abele, M. Haydn, T. Hauer, U. Lorenz, and T. Derer. Unsicherheitsoptimierte prozesskette bei der bohrungsfeinbearbeitung-ein ansatz zur optimierung der prozesskette bohren. Reiben mittels mathematischer Modelle. wt Werkstatttechnik online, 101:730--736, 2011. |
| A. Berger, R. Hoffmann, U. Lorenz, and S. Stiller. Online railway delay management: Hardness, simulation and computation. Simulation, 87(7):616--629, 2011. |
| T. Ederer, U. Lorenz, T. Opfer, and J. Wolf. Modeling games with the help of quantified integer linear programs. In Advances in Computer Games, pages 270--281. Springer, 2011. |
| T. Ederer, U. Lorenz, A. Martin, and J. Wolf. Quantified linear programs: a computational study. In European Symposium on Algorithms, pages 203--214. Springer, 2011. |
| T. Graf, U. Lorenz, M. Platzner, and L. Schaefers. Parallel monte-carlo tree search for hpc systems. In European Conference on Parallel Processing, pages 365--376. Springer, 2011. |
| 2010 |
| P. Groche, M. Kraft, S. Schmitt, U. Lorenz, S. Pokutta, A. Martin, and N. Ziems. Rechnet sich Flexibilität in der Umformtechnik? wt Werkstattstechnik online. H, 10:734--742, 2010. |
| U. Lorenz, A. Martin, and J. Wolf. Polyhedral and algorithmic properties of quantified linear programs. In European Symposium on Algorithms, pages 512--523. Springer, 2010. |
| 2009 |
| R. Elsässer, U. Lorenz, and T. Sauerwald. On randomized broadcasting in star graphs. Discrete Applied Mathematics, 157(1):126--139, 2009. |
| S. Grothklags, U. Lorenz, and B. Monien. From state-of-the-art static fleet assignment to flexible stochastic planning of the future. In Algorithmics of large and complex networks, pages 140--165. Springer, 2009. |
| 2008 |
| M. Platzner, S. Döhre, M. Happe, T. Kenter, U. Lorenz, T. Schumacher, A. Send, and A. Warkentin. The gomputer: Accelerating go with fpgas. In ERSA, pages 35--45, 2008. |
| K. Himstedt, U. Lorenz, and D. P. Möller. A twofold distributed game-tree search approach using interconnected clusters. In European Conference on Parallel Processing, pages 587--598. Springer, 2008. |
| B. Monien, U. Lorenz, and D. Warner. Der alphabeta-algorithmus für spielbäume: Wie bringe ich meinen computer zum schachspielen? In Taschenbuch der Algorithmen, pages 285--294. Springer, 2008. |
| A. Berger, R. Hoffmann, U. Lorenz, and S. Stiller. Topsu-rdm a simulation platform for online railway delay management. In Proceedings of the 1st international conference on Simulation tools and techniques for communications, networks and systems & workshops, pages 1--8, 2008. |
| 2007 |
| R. Elsässer, U. Lorenz, and T. Sauerwald. Agent-based randomized broadcasting in large networks. Discrete applied mathematics, 155(2):150--160, 2007. |
| S. Grothklags, U. Lorenz, and J. Wesemann. A stochastic lot-sizing and scheduling model. In Operations Research Proceedings 2006, pages 491--496. Springer, 2007. |
| 2006 |
| U. Lorenz. A new implementation of error analysis in game trees. ICGA Journal, 29(2):55--64, 2006. |
| B. Doerr and U. Lorenz. Error propagation in game trees. Mathematical Methods of Operations Research, 64(1):79--93, 2006. |
| S. Grothklags and U. Lorenz. Stochastic airline fleet assignment is pspace-complete. Electronic Notes in Discrete Mathematics, 25:67--68, 2006. |
| 2005 |
| C. Donninger and U. Lorenz. Innovative opening-book handling. In Advances in computer games, pages 1--10. Springer, 2005. |
| U. Lorenz and T. Tscheuschner. Player modeling, search algorithms and strategies in multi-player games. In Advances in Computer Games, pages 210--224. Springer, 2005. |
| C. Donninger and U. Lorenz. The hydra project. Xcell Journal, 53:94--97, 2005. |
| J. Ehrhoff, S. Grothklags, and U. Lorenz. Parallelism for perturbation management and robust plans. In European Conference on Parallel Processing, pages 1265--1274. Springer, 2005. |
| J. Ehrhoff, S. Grothklags, and U. Lorenz. Disruption management and planning with uncertainties in aircraft planning. In Dagstuhl Seminar Proceedings. Schloss Dagstuhl-Leibniz-Zentrum für Informatik, 2005. |
| S. Grothklags, U. Lorenz, and J. Ehrhoff. Das reparaturspiel als formalisierung von planung unter zufallseinflüssen, angewendet in der flugplanung. In Supply Chain Management und Logistik, pages 337--358. Springer, 2005. |
| 2004 |
| B. Dörig, T. Ederer, P. Hedrich, U. Lorenz, P. Pelz, and P. Pöttgen. Technical operations research (tor) exemplified by a hydrostatic power transmission system. 9th IFK, 9, 2004. |
| U. Lorenz and B. Monien. Error analysis in minimax trees. Theoretical computer science, 313(3):485--498, 2004. |
| C. Donninger and U. Lorenz. The chess monster hydra, univesitat paderborn, faculty of computer science. Electrical Engineering and Mathematics, Paderborn, Germany, www. hydrachess. com, 2004. |
| R. Elsässer, U. Lorenz, and T. Sauerwald. Agent-based information handling in large networks. In International Symposium on Mathematical Foundations of Computer Science, pages 586--598. Springer, 2004. |
| U. Lorenz. Beyond optimal play in two-person-zerosum games. In European Symposium on Algorithms, pages 749--759. Springer, 2004. |
| C. Donninger, A. Kure, and U. Lorenz. Parallel brutus: The first distributed, fpga accelerated chess program. In 18th International Parallel and Distributed Processing Symposium, 2004. Proceedings., page 44. IEEE, 2004. |
| 2003 |
| J. Ehrhoff, S. Grothklags, J. Halbsgut, U. Lorenz, and T. Sauerwald. The repair game: robust plans and disturbation management in aircraft scheduling by the help of game tree search. In Proceedings of 43rd Annual symposium of the airline Group of the International Federation of Operational Research Societies (AGIFORS), Paris, France, 2003. |
| 2002 |
| U. Lorenz and B. Monien. The secret of selective game tree search, when using random-error evaluations. In Annual Symposium on Theoretical Aspects of Computer Science, pages 203--214. Springer, 2002. |
| U. Lorenz. Parallel controlled conspiracy number search. In European Conference on Parallel Processing, pages 420--430. Springer, 2002. |
| 2000 |
| U. Lorenz. Controlled conspiracy-2 search. In Annual Symposium on Theoretical Aspects of Computer Science, pages 466--478. Springer, 2000. |
| 1995 |
| U. Lorenz, V. Rottmann, R. Feldmann, and P. Mysliwietz. Controlled conspiracy-number search. ICGA Journal, 18(3):135--147, 1995. |
| 1994 |
| I. Althöfer, C. Donninger, U. Lorenz, and V. Rottmann. On timing, permanent brain and human intervention. Advances in Computer Chess, 7:285--297, 1994. |