An identity involving Narayana numbers

被引:6
|
作者
Li, Nelson Y. [1 ]
Mansour, Toufik [1 ,2 ]
机构
[1] Nankai Univ, Ctr Combinator, LPMC, PCSIRT, Tianjin 300071, Peoples R China
[2] Univ Haifa, Dept Math, IL-31905 Haifa, Israel
关键词
D O I
10.1016/j.ejc.2007.03.008
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We present a bijection for a labelled plane forest by using a bijective algorithm for labelled plane trees. This turns out to be a combinatorial explanation for an identity involving Narayana numbers. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:672 / 675
页数:4
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