A polynomial time approximation scheme for embedding hypergraph in a weighted cycle

A polynomial time approximation scheme for embedding hypergraph in a weighted cycle
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DOI:
10.1016/j.tcs.2011.08.014
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发表时间:
2010-08
期刊:
Theor. Comput. Sci.
影响因子:
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通讯作者:
Chaoxia Yang;Guojun Li
Chaoxia Yang;Guojun Li
中科院分区:
其他
文献类型:
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作者:
Chaoxia Yang;Guojun Li

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最小拥塞超图嵌入加权圈问题(MCHEWC)是将超图的超边作为路嵌入到一个加权圈中,使得最大拥塞最小。这个问题是NP难的。在本文中,我们提出了一个多项式时间近似计划(PTAS)的这个问题。
The problem of Minimum Congestion Hypergraph Embedding in a Weighted Cycle (MCHEWC) is to embed the hyperedges of a hypergraph as paths in a weighted cycle such that the maximum congestion is minimized. This problem is NP-hard. In this paper, we present a polynomial time approximation scheme (PTAS) for this problem.