Constant Time Generation of Free Trees
Constant Time Generation of Free Trees
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自由树的恒定时间生成
DOI:
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发表时间:
1986
期刊:
影响因子:
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通讯作者:
B. McKay
中科院分区:
文献类型:
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作者:
Robert Alan Wrights;Bruce Richmondt;A. Odlyzko;B. McKay
An algorithm of Beyer and Hedetniemi [SIAM J. Comput., 9 (1980), pp. 706–712] for generating rooted unlabeled trees is extended to generate unlabeled free trees. All the nonisomorphic trees of a given size are generated, without repetition, in time proportional to the number of trees.