Complexity and approximability of k-splittable flows

  title={Complexity and approximability of k-splittable flows},
  author={Ronald Koch and Ines Spenke},
  journal={Theor. Comput. Sci.},
Let G = (V, E) be a graph with a source node s and a sink node t, |V | = n, |E| = m. For a given number k, the Maximum k–Splittable Flow Problem (MkSF) is to find an s, t–flow of maximum value with a flow decomposition using at most k paths. In the multicommodity case this problem generalizes disjoint paths problems and unsplittable flow problems. We provide a comprehensive overview of the complexity and approximability landscape of MkSF on directed and undirected graphs. We consider constant… CONTINUE READING

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