A 3-Approximation for the Pathwidth of Halin Graphs
نویسندگان
چکیده
We prove that the pathwidth of Halin graphs can be 3-approximated in linear time. Our approximation algorithms is based on a combinatorial result about respectful edge orderings of trees. Using this result we prove that the linear width of Halin graph is always at most three times the linear width of its skeleton. © 2005 Elsevier B.V. All rights reserved.
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ورودعنوان ژورنال:
- Electronic Notes in Discrete Mathematics
دوره 17 شماره
صفحات -
تاریخ انتشار 2004