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Reload cost problems: minimum diameter spanning tree
2001
Discrete Applied Mathematics
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We examine a network design problem under the reload cost model. Given an undirected edge colored graph, reload costs on a path arise at a node where the path uses consecutive edges of di erent colors. We consider the problem of ÿnding a spanning tree of minimum diameter with respect to the reload costs. We present lower bounds for the approximability even on graphs with maximum degree 5. On the other hand we provide an exact algorithm for graphs of maximum degree 3. ? (J. Ste an).
doi:10.1016/s0166-218x(00)00392-9
fatcat:nbung2c6h5dxhkhgjzamyop5fu