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Article type: Research Article
Authors: Avesalon, Nicoletaa | Ciurea, Eleonora | Parpalea, Mirceab; *
Affiliations: [a] Faculty of Mathematics and Computer Science, Transilvania University of Braşov, Eroilor blvd 25, 500030 Brasov, Romania. nicole_grigoras@yahoo.com, e.ciurea@ unitbv.ro | [b] National College Andrei Şaguna, Şaguna str. 1, 590000, Brasov, Romania. parpalea@gmail.com
Correspondence: [*] Address for correspondence: Faculty of Mathematics and Computer Science, Transilvania University of Braşov, Eroilor blvd 25, 500030 Brasov, Romania.
Abstract: This article states and solves the maximum parametric flow over time problem. The proposed approach consists in repeatedly finding the maximum dynamic flow in discrete dynamic networks, for a sequence of parameter values, in their increasing order. In each of its iterations, the algorithm computes both the maximum flow, by minimizing the transit time (quickest flow), and the new breakpoint for the maximum parametric dynamic flow value function. The dynamic flow is augmented along quickest paths from the source node to the sink node in the time-space network, avoiding the explicit time expansion of the network. The complexity of the algorithm is presented and also an example is given on how the algorithm works.
Keywords: Dynamic networks, parametric flow, successive shortest paths
DOI: 10.3233/FI-2017-1600
Journal: Fundamenta Informaticae, vol. 156, no. 2, pp. 125-139, 2017
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