Augmenting Edge-Connectivity over the Entire Range in Õ(nm) Time
Augmenting Edge-Connectivity over the Entire Range in Õ(nm) Time
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在 Õ(nm) 时间内增强整个范围的边缘连接
DOI:
10.1006/jagm.1998.0983
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发表时间:
1999
期刊:
影响因子:
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通讯作者:
T. Ibaraki
中科院分区:
文献类型:
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作者:
H. Nagamochi;T. Ibaraki
For a given undirected graphG=(V,E,cG) with edges weighted by nonnegative realscG:E?R+, let ?G(k) stand for the minimum amount of weights which needs to be added to makeG k-edge-connected, and letG*(k) be the resulting graph obtained fromG. This paper first shows that function ?Gover the entire rangek?0,+∞] can be computed inO(nm+n2logn) time, and then shows that allG*(k) in the entire range can be obtained fromO(nlogn) weighted cycles, and such cycles can be computed inO(nm+n2logn) time, wherenandmare the numbers of vertices and edges, respectively.
DOI:
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影响因子:
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