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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

Stabilized column generation for the temporal knapsack problem using dual-optimal inequalities

Gschwind, Timo; Irnich, Stefan - In: OR spectrum : quantitative approaches in management 39 (2017) 2, pp. 541-556

Persistent link: https://www.econbiz.de/10011707141

Bidirectional labeling in column-generation algorithms for pickup-and-delivery problems

Gschwind, Timo; Irnich, Stefan; Rothenbächer, Ann-Kathrin - In: European journal of operational research : EJOR 266 (2018) 2, pp. 521-530

Persistent link: https://www.econbiz.de/10011811802

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

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

Resource-window reduction by reduced costs in path-based formulations for routing and scheduling problems

Bianchessi, Nicola; Gschwind, Timo; Irnich, Stefan - In: INFORMS journal on computing : JOC ; charting new … 36 (2024) 1, pp. 224-244

Persistent link: https://www.econbiz.de/10014474918

Route feasibility testing and forward time slack for the synchronized pickup and delivery problem

Gschwind, Timo - In: OR spectrum : quantitative approaches in management 41 (2019) 2, pp. 491-512

Persistent link: https://www.econbiz.de/10012019561

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

Special Issue: advances in vehicle routing and logistics optimization : exact methods

Schneider, Michael (ed.); Gschwind, Timo (ed.); … - 2019

Persistent link: https://www.econbiz.de/10012113839