期刊文献+

点赋权图上固定顶点的树划分问题

Tree Partition Problem of the Fixed Vertices on the VertexWeighted Graphs
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摘要 考虑了点赋权图上固定k个顶点的树划分问题.首先证明了点赋树图上固定k个顶点的最小最大树划分问题是NP-难的,然后给出了该问题的一个启发式算法,最后证明了该算法是点赋权完全图上固定k个顶点的最小最大树划分问题的一个2-1k近似算法. This paper discusses the Min - max tree partition problem of the fixed vertices on the vertexweighted graphs. The NP - hardness of this problem is proved. A heuristic algorithm is presented, and it is proved to be an approximate algorithm of factor 2 -1/k for the problem on the completed graphs.
作者 张同全
出处 《云南民族大学学报(自然科学版)》 CAS 2007年第4期303-305,共3页 Journal of Yunnan Minzu University:Natural Sciences Edition
基金 云南省教育厅科学研究基金资助项目
关键词 反圈 启发式算法 导出子图 近似算法 anti-cycle heuristic algorithm induced subgraph approximate algorithm.
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参考文献4

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  • 3张同全,王泽磊,李建平.固定顶点的树划分问题[J].云南大学学报(自然科学版),2005,27(1):1-4. 被引量:2
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二级参考文献9

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