Title of article :
A bijection between ordered trees and bicoloured ordered trees
Author/Authors :
Liu، نويسنده , , Chunlin and Wang، نويسنده , , Zhenghua، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
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.
Keywords :
bijection , Tree , Bridge
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics
