Date: 18 Jul 2002

Bandwidth of Split and Circular Permutation Graphs

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The BANDWIDTH minimization problem on graphs of some special graph classes is studied and the following results are obtained. The problem remains NP-complete when restricted to splitgraphs. There is a linear time algorithm to compute the exact bandwidth of a subclass of splitgraphs called hedgehogs. There is an efficient algorithm to approximate the bandwidth of circular permutation graphs within a factor of four.