张存铨.二部定向图的最长通路和圈[J].数学研究及应用,1981,1(3):35~38 |
二部定向图的最长通路和圈 |
The Longest Paths and Cycles in Bipartite Oriented Graphs |
投稿时间:1980-12-09 |
DOI:10.3770/j.issn:1000-341X.1981.03.007 |
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摘要点击次数: 1975 |
全文下载次数: 948 |
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英文摘要: |
Let D be a bipartite oriented graph in which the indegree and outdegree of each vertex are at least k. The result given in this paper is that D contains either a cycle of length at least 4k or a path of length at least 4k 1. Jackson [1] declared that: if |V(D) |≤4k,D contains a Hamiltonian cycle. Evidently, the result Of this paper implies the result given by Jackson. |
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