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cs.DS2014
Graph Orientation and Flows Over Time
Ashwin Arulselvan, Martin Groß, Martin Skutella
Flows over time are used to model many real-world logistic and routing problems. The networks underlying such problems -- streets, tracks, etc. -- are inherently undirected and dir…
cs.DS2014
A tight bound on the speed-up through storage for quickest multi-commodity flows
Martin Groß, Martin Skutella
Multi-commodity flows over time exhibit the non-intuitive property that letting flow wait can allow us to send flow faster overall. Fleischer and Skutella (IPCO~2002) show that the…