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A comparison of column-generation approaches to the synchronized pickup and delivery problem

Gschwind, Timo - In: European journal of operational research : EJOR 247 (2015) 1, pp. 60-71

Persistent link: https://www.econbiz.de/10011347133

A note on symmetry reduction for circular traveling tournament problems

Gschwind, Timo; Irnich, Stefan - In: European journal of operational research : EJOR 210 (2011) 2, pp. 452-456

Persistent link: https://www.econbiz.de/10008841175

Contributions to exact approaches in combinatorial optimization

Gschwind, Timo - 2014

The focus of this thesis is to contribute to the development of new, exact solution approaches to different combinatorial optimization problems. In particular, we derive dedicated algorithms for a special class of Traveling Tournament Problems (TTPs), the Dial-A-Ride Problem (DARP), and the...

Persistent link: https://www.econbiz.de/10010512631

Effective handling of dynamic time windows and its application to solving the dial-a-ride problem

Gschwind, Timo; Irnich, Stefan - In: Transportation science : a journal of the Institute for … 49 (2015) 2, pp. 335-354

Persistent link: https://www.econbiz.de/10011287506

Dual inequalities for stabilized column generation revisited

Gschwind, Timo; Irnich, Stefan - In: INFORMS journal on computing : JOC 28 (2016) 1, pp. 175-194

Persistent link: https://www.econbiz.de/10011453820

A branch-and-price framework for decomposing graphs into relaxed cliques

Gschwind, Timo; Irnich, Stefan; Furini, Fabio - In: INFORMS journal on computing : JOC 33 (2021) 3, pp. 1070-1090

Persistent link: https://www.econbiz.de/10012631648

The pickup and delivery problem with time windows, multiple stacks, and handling operations

Cherkesly, Marilène; Gschwind, Timo - In: European journal of operational research : EJOR 301 (2022) 2, pp. 647-666

Persistent link: https://www.econbiz.de/10013207669

Branch-cut-and-price for scheduling deliveries with time windows in a direct shipping network

Gschwind, Timo; Irnich, Stefan; Tilk, Christian; Emde, Simon - In: Journal of scheduling : JOS 23 (2020) 3, pp. 363-377

Persistent link: https://www.econbiz.de/10012229015

Variable fixing for two-arc sequences in branch-price-and-cut algorithms on path-based models

Desaulniers, Guy; Gschwind, Timo; Irnich, Stefan - In: Transportation science : a journal of the Institute for … 54 (2020) 5, pp. 1170-1188

Persistent link: https://www.econbiz.de/10012294358

Stabilized branch-price-and-cut for the commodity-constrained split delivery vehicle routing problem

Gschwind, Timo; Bianchessi, Nicola; Irnich, Stefan - In: European journal of operational research : EJOR 278 (2019) 1, pp. 91-104

Persistent link: https://www.econbiz.de/10012102595