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Scheduling trains with delayed departures

Fernand Meyer

Abstract

A number of image transformations may be expressed as shortes paths algorithms in various algebras We introduce a general framework where a graph is considered as a railway network on which the trains follow shortest paths. Given a fixed traveling time on each edge and an arbitrary distribution of departure times, one searches the first arrival time of a train at each node. This formulation leads to interesting filters and image decomposition in the (min,+) algebra and sheds new light on flooding and razing algorithms in the algebras (min,max) and (max,min).
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Dates and versions

hal-00547261 , version 1 (16-12-2010)

Identifiers

  • HAL Id : hal-00547261 , version 1

Cite

Fernand Meyer. Scheduling trains with delayed departures. 2010. ⟨hal-00547261⟩
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