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A 2.542-approximation for precedence constrained single machine scheduling with release dates and total weighted completion time objective

Skutella, Martin - In: Operations research letters 44 (2016) 5, pp. 676-679

Persistent link: https://www.econbiz.de/10011596631

Global logistics of an iron-based energy network: A case study of retrofitting german coal power plants

Jansen, Erik; Schuler, Julia; Ardone, Armin; Slednev, Viktor - 2023

For the global transition of energy systems, the establishment of new energy storage and carrier media to balance the geographical and temporal availability of renewable energy is a necessity. In this context, the interdisciplinary cluster project Clean Circles is investigating the potential of...

Persistent link: https://www.econbiz.de/10014328213

Sparsity of integer formulations for binary programs

Hojny, Christopher; Lüthen, Hendrik; Pfetsch, Marc E. - In: Operations research letters 47 (2019) 5, pp. 348-352

Persistent link: https://www.econbiz.de/10012110589

Monoidal cut strengthening and generalized mixed-integer rounding for disjunctions and complementarity constraints

Fischer, Tobias; Pfetsch, Marc E. - In: Operations research letters 45 (2017) 6, pp. 556-560

Persistent link: https://www.econbiz.de/10011782888

Detecting orbitopal symmetries

Berthold, Timo; Pfetsch, Marc E. - In: Operations research proceedings 2008 : selected papers …, (pp. 433-438). 2009

Persistent link: https://www.econbiz.de/10003841925

The line connectivity problem

Borndörfer, Ralf; Neumann, Marika; Pfetsch, Marc E. - In: Operations research proceedings 2008 : selected papers …, (pp. 557-562). 2009

Persistent link: https://www.econbiz.de/10003841998

Line planning on tree networks with applications to the Quito Trolebús system

Torres, Luis M.; Torres, Ramiro; Borndörfer, Ralf; … - In: International transactions in operational research : … 18 (2011) 4, pp. 455-472

Persistent link: https://www.econbiz.de/10009237591

Optimal fares for public transport

Borndörfer, Ralf; Neumann, Marika; Pfetsch, Marc E. - In: Operations research proceedings 2005 : selected papers …, (pp. 591-596). 2006

Persistent link: https://www.econbiz.de/10003347790

Routing the line planning for public transport

Pfetsch, Marc E.; Borndörfer, Ralf - In: Operations research proceedings 2005 : selected papers …, (pp. 405-410). 2006

Persistent link: https://www.econbiz.de/10003355756

SPECIAL INTERNATIONAL ISSUE - Public transport to the fORe! Can O.R. methods make public transportation systems break even? German research group moves industry closer to elusive g...

Borndröfer, Ralf; Grötschel, Martin; Pfetsch, Marc E. - In: OR MS today : operations research - management science 33 (2006) 2, pp. 30-41

Persistent link: https://www.econbiz.de/10007258100