ON COMPUTING THE NUMBER OF LINEAR EXTENSIONS OF A TREE

被引:21
作者
ATKINSON, MD [1 ]
机构
[1] CARLETON UNIV,SCH COMP SCI,OTTAWA K1S 5B6,ONTARIO,CANADA
来源
ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS | 1990年 / 7卷 / 01期
关键词
LINEAR EXTENSION; TREE; COVERING GRAPH;
D O I
10.1007/BF00383170
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
An algorithm requiring O(n2) arithmetic operations for computing the number of linear extensions of a poset whose covering graph is a tree is given.
引用
收藏
页码:23 / 25
页数:3
相关论文
共 3 条
[1]  
ATKINSON MC, 1985, C NUMERANTIUM, V47, P77
[2]  
ATKINSON MD, 1988, NATO ASI SER, V255, P195
[3]  
SAKS M, 1985, NATO ASI SER, V147, P524