On the Decomposition of Graphs into Complete Bipartite Graphs
On the Decomposition of Graphs into Complete Bipartite Graphs
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关于图分解为完全二部图
DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
Yanpei Liu
中科院分区:
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作者:
Jinquan Dong;Yanpei Liu
In a complete bipartite decomposition π of a graph, we consider the number ϑ(v;π) of complete bipartite subgraphs incident with a vertex v. Let ϑ(G)=$$min limits_{pi } max limits_{vin V(G)}$$ ϑ(v;π). In this paper the exact values of ϑ(G) for complete graphs and hypercubes and a sharp upper bound on ϑ(G) for planar graphs are provided, respectively. An open problem proposed by P.C. Fishburn and P.L. Hammer is solved as well.