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Single-source k-splittable min-cost flows
Authors:Fernanda Salazar
Institution:a Escuela Politécnica Nacional, Departamento de Matemática, Quito, Ecuador
b TU Berlin, Institut für Mathematik, MA 5-2, Str. des 17. Juni 136, 10623 Berlin, Germany
Abstract:Motivated by a famous open question on the single-source unsplittable minimum cost flow problem, we present a new approximation result for the relaxation of the problem where, for a given number k, each commodity must be routed along at most k paths.
Keywords:Approximation algorithm  Multi-commodity flow  Network flow  Routing  Unsplittable flow  k-splittable flow
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