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Publikationen am Lehrstuhl Technologiemanagement

M. Hartisch. Adaptive relaxations for multistage robust optimization. arXiv preprint arXiv:2009.12256; Submitted to: PRICAI 2021, 2021. [ arXiv | http ]
A. F. P. de Carvalho, S. Hoffmann, D. Abele, M. Schweitzer, and V. Wulf. Designing cyber-physical production systems for industrial set-up: A practice-centred approach. In C. Ardito, R. Lanzilotti, A. Malizia, H. Petrie, A. Piccinno, G. Desolda, and K. Inkpen, editors, Human-Computer Interaction -- INTERACT 2021, pages 678--701, Cham, 2021. Springer International Publishing. [ DOI ]
N. D. Abele, S. Hoffmann, A. F. P. De Carvalho, M. Schweitzer, V. Wulf, and K. Kluth. Knowledge and expertise sharing -- designing an ar-mediated cyber-physical production system for industrial set-up processes. In N. L. Black, W. P. Neumann, and I. Noy, editors, Proceedings of the 21st Congress of the International Ergonomics Association (IEA 2021), pages 347--354, Cham, 2021. Springer International Publishing. [ DOI ]
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 ]
M. Goerigk and M. Hartisch. Multistage robust discrete optimization via quantified integer programming. Computers & Operations Research, 135:105434, 2021. [ DOI ]
U. Lorenz, D. Christian, M. N. Ali, E. Günes, and C. Lutz. Hydra: Report and technical overview. ICGA Journal, 42(2-3):132--151, 2020. [ DOI ]
M. Hartisch. Quantified Integer Programming with Polyhedral and Decision-Dependent Uncertainty. PhD thesis, University of Siegen, Germany, 2020. [ DOI ]
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 ]
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 ]
S. Hoffmann, A. F. P. de Carvalho, D. Abele, M. Schweitzer, P. Tolmie, and V. Wulf. Cyber-physical systems for knowledge and expertise sharing in manufacturing contexts: Towards a model enabling design. Computer Supported Cooperative Work (CSCW), 28(3-4):469--509, 2019.
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.
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.
A. F. P. De Carvalho, S. Hoffmann, D. Abele, M. Schweitzer, P. Tolmie, D. Randall, and V. Wulf. Of embodied action and sensors: Knowledge and expertise sharing in industrial set-up. Computer Supported Cooperative Work (CSCW), 27(3-6):875--916, 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.
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. Schulte, C. Kuhnhen, D. Abele, S. Hoffmann, A. F. Pinatti de Carvalho, B. Engel, M. Schweitzer, and V. Wulf. Cyber equipping 4.0--fe-simulation-based setting instructions for a rotary draw-bending machine. In COMPLAS XIV: proceedings of the XIV International Conference on Computational Plasticity: fundamentals and applications, pages 754--765. CIMNE, 2017.
F. Baumann, T. Ludwig, N. D. Abele, S. Hoffmann, and D. Roller. Model-data streaming for additive manufacturing securing intellectual property. 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.
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: ]
N. D. Abele, S. Hoffmann, C. Kuhnhen, T. Ludwig, W. Schäfer, M. Schweitzer, and V. Wulf. Supporting the set-up processes by cyber elements based on the example of tube bending. Informatik 2016, 2016.
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.
M. Hartisch. Impact of rounding during retrograde analysis for a game with chance nodes: Karl's race as a test case. J. Int. Comput. Games Assoc., 38(2):81--93, 2015. [ DOI | http ]
M. Hartisch and I. Althöfer. Optimal robot play in certain chess endgame situations. J. Int. Comput. Games Assoc., 38(3):180--185, 2015. [ DOI | http ]
I. Althöfer and M. Hartisch. On the effects of biasing win conditions. Game and Puzzle Design, 1(1):50--55, 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.
M. SCHWEITZER and M. SCHWEITZER. Grundlagen der betriebswirtschaftslehre unter rationalitäts-und moralitätsaspekten. Allgemeine Betriebswirtschaftslehre--Theorie und Politik des Wirtschaftens in Unternehmen, hrsg. von MARCELL SCHWEITZER und ALEXANDER BAUMEISTER, 11:3--45, 2015.
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.
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.
P. Letmathe, L. Petersen, and M. Schweitzer. Capacity management under uncertainty with inter-process, intra-process and demand interdependencies in high-flexibility environments. OR spectrum, 35(1):191--219, 2013.
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.
P. Letmathe, M. Schweitzer, and M. Zielinski. How to learn new tasks: Shop floor performance effects of knowledge transfer and performance feedback. Journal of Operations Management, 30(3):221--236, 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.
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.
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.
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.
M. Schweitzer and M. Schweitzer. Die kostenrechnung im brennpunkt betriebswirtschaftlicher und ingenieurwissenschaftlicher gestaltungsansätze. Jahrbuch für Controlling und Rechnungswesen, pages 309--333, 2009.
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.
M. Schweitzer and M. Schweitzer. Beiträge von ingenieuren zur historischen entwicklung der kostenrechnung in deutschland im 20. jahrhundert. De Computis-Revista Española de Historia de la Contabilidad, 5(8):164--182, 2008.
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.
M. Von Schweitzer. Dynamische planung innovativer technologien unter berücksichtigung von erfahrungseffekten. Journal of Business Economics, 77(4):381--405, 2007.
L. Petersen and M. Schweitzer. Lean management für dienstleistungsprozesse. 2007.
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.
M. Schweitzer. Zurechnungsprobleme und kontrollansätze in dynamischen lebenszyklusrechnungen. Jahrbuch Controlling und Rechnungswesen, pages 69--89, 2006.
S. Burlefinger, I. Mayer, L. Petersen, and M. Schweitzer. Maßnahmen und modelle zur analyse von dienstleistungsprozessen. 2006.
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.
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. In J. Becker, M. Platzner, and S. Vernalde, editors, Field Programmable Logic and Application, pages 927--932, Berlin, Heidelberg, 2004. Springer Berlin Heidelberg. [ DOI ]
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.
M. Schweitzer. Entwicklung dynamischer Planungsmodelle für innovative Technologien unter Berücksichtigung von Erfahrungseffekten. Univ., Abt. Wirtschaftswiss., 2004.
M. Schweitzer. Taktisches Innovationsmanagement unter Risiko. Univ., Abt. Wirtschaftswiss., 2004.
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.
M. Schweitzer. Taktische Planung von Dienstleistungskapazitäten: Ein integrierter Ansatz. Duncker und Humblot, 2003.
M. Schweitzer. Maßnahmen zur Gestaltung von supply chains. Univ., Abt. Wirtschaftswiss., 2003.
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.
M. Schweitzer. Warteschlangenbasierte break-even-analysen bei kundenauftragsorientierter produktion. Schmalenbachs Zeitschrift für betriebswirtschaftliche Forschung, 54(7):633--655, 2002.
M. Schweitzer. Erlösträgerrechnung. Handwörterbuch Unternehmensrechnung und Controlling, 4:475--484, 2002.
U. Lorenz. Controlled conspiracy-2 search. In Annual Symposium on Theoretical Aspects of Computer Science, pages 466--478. Springer, 2000.
M. Schweitzer. Simplified Proofs for Planning Optimal Lead Times in Multi-stage Production Structures. Department of Economics, University of Saarland, 1999.
H. Glaser, L. Petersen, and M. Schweitzer. Retrograde Terminierung mit Personalzuordnung: allgemeine Erfassung und Modifikation der Verfahren. Lehrstuhl für Betriebswirtschaftslehre, 1998.
M. Schweitzer. Planung von puffern und durchlaufzeiten. Zeitbezogene Ansätze der Lagerhaltungstheorie, Wiesbaden, 1997.
H. Glaser, L. Petersen, and M. Schweitzer. Retrograde Teminierung bei Different Routing oder vernetzten Fertigungsprozessen: allgemeine Erfassung und Modifikation der Verfahren. Univ., 1997.
U. Lorenz, V. Rottmann, R. Feldmann, and P. Mysliwietz. Controlled conspiracy-number search. ICGA Journal, 18(3):135--147, 1995.
I. Althöfer, C. Donninger, U. Lorenz, and V. Rottmann. On timing, permanent brain and human intervention. Advances in Computer Chess, 7:285--297, 1994.
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