Trees with a given number of leaves and the maximal number of maximum independent sets

被引:0
|
作者
Taletskii, Dmitriy S. [1 ]
Malyshev, Dmitriy S. [2 ]
机构
[1] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod, Russia
[2] Natl Res Univ Higher Sch Econ, Moscow, Russia
来源
DISCRETE MATHEMATICS AND APPLICATIONS | 2021年 / 31卷 / 02期
关键词
independent set; maximum independent set; maximal independent set; extremal tree; GRAPHS; INDEX;
D O I
10.1515/dma-2021-0012
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A complete description of trees with maximal possible number of maximum independent sets among all n-vertex trees with exactly l leaves is obtained. For all values of the parameters n and l the extremal tree is unique and is the result of merging the endpoints of l simple paths.
引用
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页码:135 / 144
页数:10
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