Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4650043 | Discrete Mathematics | 2009 | 5 Pages |
Abstract
A bijection is introduced between ordered trees and bicoloured ordered trees, which maps leaves in an ordered tree to odd height vertices in the related tree. Consequently, a bijection between two sets of bridges specified with four parameters is derived.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Chunlin Liu, Zhenghua Wang,