| 摘要: |
| 对无向简单图G=(V,E),|V|=n,|E|=m,给出对下述问题的NC算法:(1)寻找G中最短回路;(2)寻找G中最短偶(奇)长度回路;(3)求解Ck,k=3,4,这里Ck表示G中长度为k的回路. |
| 关键词: 图论算法 回路 最短回路 并行算法 |
| DOI: |
| 分类号: |
| 基金项目:本文研究得到国家自然科学基金和国家863高科技项目基金、山东省自然科学基金和日本学术振兴会论搏基金资助. |
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| ON THE NUMBER OF SOLUTIONS OF CERTAI |
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MA Jun,Kazuo Iwama,MA Shaohan
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| Abstract: |
| Let G=(V,E),|V|=n,|E|=m, be an undirected simple graph, NC algorithms are given for following problems: (1) finding a shortest circuit in G ; (2) finding a shortest circuit of even (odd) length in G ; and (3) finding a C k , k =3,4, where C k is the circuit in G of k edges. |
| Key words: Graph algorithms cycle shortest circuits parallel algorithms. |